Pick up the correct statement from the following: (A) The zone below water table, is called zone of saturation (B) The zone above water table, is called zone of aeration (C) The water which exists in the zone of saturation, is called ground water (D) All the above

Pick up the correct statement from the following:
(A) The zone below water table, is called zone of saturation
(B) The zone above water table, is called zone of aeration
(C) The water which exists in the zone of saturation, is called ground water
(D) All the above
by

1 Answer

Answer :

Answer: Option D
by

Related questions

Consider the following zones : 1. Saturation zone 2. Capillary zone 3. Intermediate zone 4. Soilwater zone Which of these does not relate to the zone of aeration in the soil profile ? a) 1 and 2 b) 2 and 3 c) 4 only d) 1 only

Description : Consider the following zones : 1. Saturation zone 2. Capillary zone 3. Intermediate zone 4. Soilwater zone Which of these does not relate to the zone of aeration in the soil profile ? a) 1 and 2 b) 2 and 3 c) 4 only d) 1 only

Last Answer : d) 1 only

Subsidence results due to the constant or excess removal of ground water deplete the water table and increases the area of ____________. (A) Water table (B) Ground surface (C) Zone of saturation (D) Vadose zone

Description : Subsidence results due to the constant or excess removal of ground water deplete the water table and increases the area of ____________. (A) Water table (B) Ground surface (C) Zone of saturation (D) Vadose zone

Last Answer : (D) Vadose zone 

Pick up the correct statement from the following: (A) Perched aquifer is found in unconfined aquifer (B) The top surface of the water held in the perched aquifer, is known as perched water table (C) Perched aquifer is formed in unfined acquirer if an impervious layer exists (D) All the above

Description : Pick up the correct statement from the following: (A) Perched aquifer is found in unconfined aquifer (B) The top surface of the water held in the perched aquifer, is known as perched water table (C) Perched aquifer is formed in unfined acquirer if an impervious layer exists (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) The water level in a still well, represents the ground water table level (B) The difference between water table level and the water level in a well after pumping, is called depression head (C) The surface of water table surrounding a well during pumping, forms a cone of depression (D) All the above

Description : Pick up the correct statement from the following:  (A) The water level in a still well, represents the ground water table level  (B) The difference between water table level and the water ... water table surrounding a well during pumping, forms a cone of depression  (D) All the above 

Last Answer : (D) All the above 

Pick up the correct statement from the following: (A) The rise of the ground surface due to frost action is called frost heave (B) The freezing of water is accompanied by a volume increase of 9% (C) Below freezing point, higher soil suction develops (D) All the above

Description : Pick up the correct statement from the following: (A) The rise of the ground surface due to frost action is called frost heave (B) The freezing of water is accompanied by a volume increase of 9% (C) Below freezing point, higher soil suction develops (D) All the above

Last Answer : (D) All the above

Pick up the correct statement from the following: (A) Absolute humidity at a given temperature is equal to weight of moisture present in a unit volume (B) Relative humidity is the ratio of actual vapour pressure and saturation vapour pressure at the same temperature (C) Relative humidity is the ratio of the weight of the vapours present per unit volume to the weight of vapours which could be contained at the same temperature when fully saturated (D) All the above

Description : Pick up the correct statement from the following: (A) Absolute humidity at a given temperature is equal to weight of moisture present in a unit volume (B) Relative humidity is the ratio of ... of vapours which could be contained at the same temperature when fully saturated (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) If ground water enters the channel, the channel is known as effluent channel (B) If water goes out of channel to meet ground water, the channel is said to be influent stream (C) If the water table is at higher level than the water level in channel, ground water flows to the stream (D) All the above

Description : Pick up the correct statement from the following: (A) If ground water enters the channel, the channel is known as effluent channel (B) If water goes out of channel to meet ground water, the channel ... level than the water level in channel, ground water flows to the stream (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) When water table is above the base of a footing, the dry weight m should be used for soil below water table (B) When water table is located somewhat below the base of a footing, the elastic wedge is partly of moist soil and partly of submerged soil, and a suitable reduction factor is used (C) When water table is just at the base of the footing, no reduction factor is used (D) None of these

Description : Pick up the correct statement from the following: (A) When water table is above the base of a footing, the dry weight m should be used for soil below water table (B) When water table is located ... water table is just at the base of the footing, no reduction factor is used (D) None of these

Last Answer : (B) When water table is located somewhat below the base of a footing, the elastic wedge is partly of moist soil and partly of submerged soil, and a suitable reduction factor is used

Field capacity represents the maximum quantity of water held: w) in the soil against the force of gravity x) in the ground water zone y) in the intermediate zone z) below the water table

Description : Field capacity represents the maximum quantity of water held: w) in the soil against the force of gravity x) in the ground water zone y) in the intermediate zone z) below the water table

Last Answer : ANSWER: W -- IN THE SOIL AGAINST THE FORCE OF GRAVITY

Pick up the correct statement from the following: (A) If the image of the object does not fall on the plane of the cross-lines, parallax exists (B) Parallax has nothing to do with the eyepiece (C) The eyepiece is adjusted for clear vision of the cross hairs (D) All the above

Description : Pick up the correct statement from the following: (A) If the image of the object does not fall on the plane of the cross-lines, parallax exists (B) Parallax has nothing to do with the eyepiece (C) The eyepiece is adjusted for clear vision of the cross hairs (D) All the above

Last Answer : (D) All the above

Pick out the false statement pertaining to water treatment(A) Aeration of water is effective in CO2removal(B) The zeolite water softening process reduces the hardness of water by notmore than 50%(C) Sodium sulphate or sodium carbonate do not cause hardness in water(D) Water with pH value less than 7, is acidic.

Description : Pick out the false statement pertaining to water treatment. (A) Aeration of water is effective in CO2 removal (B) The zeolite water softening process reduces the hardness of water by not more than 50% (C ... carbonate do not cause hardness in water (D) Water with pH value less than 7, is acidic

Last Answer : (B) The zeolite water softening process reduces the hardness of water by not more than 50%

Pick up the incorrect statement from the following: (A) Free surface ground water is subjected to atmospheric pressure (B) Water table surface rises and falls with seasons (C) Depth of water table is directly proportional to the rate of drawl of water (D) Level of water table remains stationary

Description : Pick up the incorrect statement from the following:  (A) Free surface ground water is subjected to atmospheric pressure  (B) Water table surface rises and falls with seasons  (C) ... directly proportional to the rate of drawl of water  (D) Level of water table remains stationary 

Last Answer : (D) Level of water table remains stationary 

Pick up the incorrect statement from the following: (A) The smaller the size of the pores, the higher the water can rise above the water table (B) Below the water table, the pore water may be static (C) The hydrostatic pressure depends on the depth below the water level (D) None of these

Description : Pick up the incorrect statement from the following: (A) The smaller the size of the pores, the higher the water can rise above the water table (B) Below the water table, the pore water may be static (C) The hydrostatic pressure depends on the depth below the water level (D) None of these

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) A ductile material has large plastic zone (B) A brittle material has no plastic zone (C) A rigid material has no plastic zone (D) All the above

Description : Pick up the correct statement from the following: (A) A ductile material has large plastic zone (B) A brittle material has no plastic zone (C) A rigid material has no plastic zone (D) All the above

Last Answer : All the above

Pick up the correct statement from the following: (A) To an agriculturist, soil is the substance existing on the earth's surface, which grows and develops plants (B) To a geologist, soil is the material in a relatively thin surface zone within which roots occur, and rest of the crust is termed as rock irrespective of hardness (C) To an engineer, soil is the unaggregated and uncemented deposits of minerals and organic particles covering the earth's crust (D) All the above

Description : Pick up the correct statement from the following: (A) To an agriculturist, soil is the substance existing on the earth's surface, which grows and develops plants (B) To a geologist, soil ... and uncemented deposits of minerals and organic particles covering the earth's crust (D) All the above

Last Answer : (D) All the above

Pick up the correct statement from the following: (A) Rain which is intercepted by buildings, vegetations and other objects, is generally known as rainfall interception (B) The difference between the total rainfall and intercepted rainfall, is generally called ground rainfall (C) When rainfall exceeds the interception rainfall, water reaches the ground and infiltration starts (D) All the above

Description : Pick up the correct statement from the following: (A) Rain which is intercepted by buildings, vegetations and other objects, is generally known as rainfall interception (B) The difference between ... the interception rainfall, water reaches the ground and infiltration starts (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) The precipitation during its travel in atmosphere dissolves certain gases (B) Rain water which percolates through the ground, is free from suspended materials (C) Underground water may dissolve minerals and salts present in the earth's layers (D) All the above

Description : Pick up the correct statement from the following:  (A) The precipitation during its travel in atmosphere dissolves certain gases  (B) Rain water which percolates through the ground, is free from ... water may dissolve minerals and salts present in the earth's layers  (D) All the above 

Last Answer : (D) All the above 

Pick up the correct statement from the following: (A) A confined bed of impervious material laid over an aquifer, is known as an aquiclude (B) The top most water bearing strata having no aquifer, is known as non-artesian aquifer (C) The ordinary gravity wells which supply water from the top most water bearing strata, are called water table wells (D) All the above

Description : Pick up the correct statement from the following: (A) A confined bed of impervious material laid over an aquifer, is known as an aquiclude (B) The top most water bearing strata having no aquifer, is ... water from the top most water bearing strata, are called water table wells (D) All the above

Last Answer : Answer: Option D

The head against which the motor works for lifting water, is (A) Maximum depth of water table below ground level (B) Maximum depression head (C) Velocity head (D) All the above

Description : The head against which the motor works for lifting water, is  (A) Maximum depth of water table below ground level  (B) Maximum depression head  (C) Velocity head  (D) All the above 

Last Answer : (D) All the above 

The head against which the motor works for lifting water, is (A) Maximum depth of water table below ground level (B) Maximum depression head (C) Velocity head (D) All the above

Description : The head against which the motor works for lifting water, is  (A) Maximum depth of water table below ground level  (B) Maximum depression head  (C) Velocity head  (D) All the above 

Last Answer : (D) All the above 

The depth of the water table at a place is 45 m below the general ground level. To lift water from a deep tube well in such a locality, the type of pump to be installed is (A) Centrifugal pump (B) Reciprocating pump (C) Deep well turbine pump (D) None of these

Description : The depth of the water table at a place is 45 m below the general ground level. To lift water from a  deep tube well in such a locality, the type of pump to be installed is  (A) Centrifugal pump  (B) Reciprocating pump  (C) Deep well turbine pump  (D) None of these 

Last Answer : (C) Deep well turbine pump

Perched aquifers are generally found (A) On the surface of the ground (B) Below the surface of the ground but above water table (C) Below the water table (D) All the above

Description : Perched aquifers are generally found  (A) On the surface of the ground  (B) Below the surface of the ground but above water table  (C) Below the water table  (D) All the above 

Last Answer : (B) Below the surface of the ground but above water table 

Pick up the correct statement from the following: (A) The earth work of cutting in trenches or borrow pits in fairly uniform ground is measured with the help of average depths of the dead men (B) The earth work in trenches or borrow pits in irregular ground is measured by taking the difference in levels before and after completion of work (C) The earth work in trenches or borrow pits, where neither a nor b is feasible, are measured from the fillings after deduction of voids (D) All the above

Description : Pick up the correct statement from the following: (A) The earth work of cutting in trenches or borrow pits in fairly uniform ground is measured with the help of average depths of the dead men (B) ... a nor b is feasible, are measured from the fillings after deduction of voids (D) All the above

Last Answer : (D) All the above

Pick up the correct statement from the following: (A) Bull's trench kiln a trench excavated in ground (B) Hoffman's kiln is constructed over ground (C) Tunnel Kiln is constructed as a tunnel (D) All the above

Description : Pick up the correct statement from the following: (A) Bull's trench kiln a trench excavated in ground (B) Hoffman's kiln is constructed over ground (C) Tunnel Kiln is constructed as a tunnel (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) Cavity of a cavity wall should start near ground level (B) Cavity of a cavity wall should terminate near eaves level of sloping roof (C) Cavity of a cavity wall should terminate near coping of flat roof with parapet wall (D) All the above

Description : Pick up the correct statement from the following: (A) Cavity of a cavity wall should start near ground level (B) Cavity of a cavity wall should terminate near eaves level of sloping roof (C) Cavity of a cavity wall should terminate near coping of flat roof with parapet wall (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) The cost of square rooms is less (B) The expenditure on the foundation and roof for the double storeyed building is nearly half of that for the ground storeyed building (C) The cost of construction of a house may be minimised by restricting the height floors (D) All the above

Description : Pick up the correct statement from the following: (A) The cost of square rooms is less (B) The expenditure on the foundation and roof for the double storeyed building is nearly half of that ... cost of construction of a house may be minimised by restricting the height floors (D) All the above

Last Answer : Answer: Option D

Pick up the incorrect statement from the following. Intake of water supply should (A) Be nearer to the treatment plant (B) Receive water from purer zone of the source (C) Be located downstream of waste water disposal point (D) Remain easily accessible during floods

Description : Pick up the incorrect statement from the following. Intake of water supply should  (A) Be nearer to the treatment plant  (B) Receive water from purer zone of the source  (C) Be located downstream of waste water disposal point  (D) Remain easily accessible during floods 

Last Answer : (C) Be located downstream of waste water disposal point 

Pick out the wrong statement (A) A horizontal line on the humidity chart indicates the temperature changes at constant molal humidity (B) When water is cooled from 80 to 70°C by exposure to the air with a wet bulb temperature of 60°C, then both the approach & the range would be 10°C (C) For unsaturated air-water vapor mixture at atmospheric conditions, the wet bulb temperature & adiabatic cooling lines are the same (D) Relative saturation of unsaturated mixture of water vapor & air cannot be increased by either reducing the mixture temperature or by increasing the total pressure

Description : Pick out the wrong statement (A) A horizontal line on the humidity chart indicates the temperature changes at constant molal humidity (B) When water is cooled from 80 to 70°C by exposure ... & air cannot be increased by either reducing the mixture temperature or by increasing the total pressure

Last Answer : (D) Relative saturation of unsaturated mixture of water vapor & air cannot be increased by either reducing the mixture temperature or by increasing the total pressure

Pick out the wrong statement. (A) Swenson-Walker crystalliser is a batch crystalliser (B) Super saturation of the solution is the driving potential for a crystal growth (C) The liquor left after the removal of crystals from a solution is called mother liquor (D) The first stage of crystal formation is called nucleation

Description : Pick out the wrong statement. (A) Swenson-Walker crystalliser is a batch crystalliser (B) Super saturation of the solution is the driving potential for a crystal growth (C) The ... a solution is called mother liquor (D) The first stage of crystal formation is called nucleation

Last Answer : (A) Swenson-Walker crystalliser is a batch crystalliser

Pick out the wrong statement. (A) The controlling resistance in case of heating of air by condensing steam is in the air film (B) The log mean temperature difference (LMTD) for counter flow and parallel flow can be theoretically same when any one of the fluids (hot or cold fluid) passes through the heat exchanger at constant temperature (C) In case of a 1 - 2 shell and tube heat exchanger, the LMTD correction factor value increases sharply, when a temperature cross occurs (D) Phase change in case of a pure fluid at a given pressure from liquid to vapor or vice-versa occurs at saturation temperature

Description : Pick out the wrong statement. (A) The controlling resistance in case of heating of air by condensing steam is in the air film (B) The log mean temperature difference (LMTD) for ... a pure fluid at a given pressure from liquid to vapor or vice-versa occurs at saturation temperature

Last Answer : (C) In case of a 1 - 2 shell and tube heat exchanger, the LMTD correction factor value increases sharply, when a temperature cross occurs

Pick out the wrong statement about nucleate boiling. (A) Bubble generation is by expansion of entrapped gas/vapour at small cavities in the surface (B) Surface temperature is greater than the saturation temperature of the liquid (C) Heat transfer from the surface of the liquid is less than that in film boiling (D) The temperature is less than that of film boiling

Description : Pick out the wrong statement about nucleate boiling. (A) Bubble generation is by expansion of entrapped gas/vapour at small cavities in the surface (B) Surface temperature is greater than the saturation ... less than that in film boiling (D) The temperature is less than that of film boiling

Last Answer : (D) The temperature is less than that of film boiling

Aeration of water is done to remove (A) Odour (B) Colour (C) Bacterias (D) Turbidity

Description : Aeration of water is done to remove  (A) Odour  (B) Colour  (C) Bacterias  (D) Turbidity 

Last Answer : (A) Odour 

Pick up the correct statement from the following: (A) Construction joints in columns are provided a few cm below the junction of beam (B) Construction joints in columns are provided at the bottom hunching (C) Construction joints in beams and slabs are provided within middle third (D) All the above

Description : Pick up the correct statement from the following: (A) Construction joints in columns are provided a few cm below the junction of beam (B) Construction joints in columns are provided at the bottom ... (C) Construction joints in beams and slabs are provided within middle third (D) All the above

Last Answer : Answer: Option D

Dissolved carbon dioxide, can be removed from the supply main by (A) Sedimentation (B) Aeration (C) Chlorination (D) Coagulation

Description : Dissolved carbon dioxide, can be removed from the supply main by (A) Sedimentation (B) Aeration (C) Chlorination (D) Coagulation

Last Answer : (B) Aeration

The Manufacturer of aeration devices reports the oxygen transfer rate of the device obtained through laboratory tests carried under standard conditions. Such standard condition are : (a) Wastewater at zero DO, 25°C and 760 mm Hg (b) Tapwater at zero DO, 0°C and 700 mm Hg (c) Tapwater at zero DO, 20°C and 760 mm Hg (d) Wastewater at zero DO, 0°C and 700 mm Hg

Description : The Manufacturer of aeration devices reports the oxygen transfer rate of the device obtained through laboratory tests carried under standard conditions. Such standard condition are : (a) Wastewater at zero DO, 25°C and 760 mm ... DO, 20°C and 760 mm Hg (d) Wastewater at zero DO, 0°C and 700 mm Hg

Last Answer : (c) Tapwater at zero DO, 20°C and 760 mm Hg

During sewage treatment, effluent from which one of the following treatment units has minimum wt/vol amount of suspended solids? (a) Detritus channel (b) Primary sedimentation tank (c) Secondary sedimentation tank (d) Activated sludge process aeration tank

Description : During sewage treatment, effluent from which one of the following treatment units has minimum wt/vol amount of suspended solids? (a) Detritus channel (b) Primary sedimentation tank (c) Secondary sedimentation tank (d) Activated sludge process aeration tank

Last Answer : (d) Activated sludge process aeration tank

Ploughing is done to : A. Improve soil aeration C. Increase water holding capacity B. Destroy weeds D. All are correct

Description : Ploughing is done to : A. Improve soil aeration C. Increase water holding capacity B. Destroy weeds D. All are correct

Last Answer : All are correct

The neutral axis of a T-beam exists (A) Within the flange (B) At the bottom edge of the slab (C) Below the slab (D) All the above

Description : The neutral axis of a T-beam exists (A) Within the flange (B) At the bottom edge of the slab (C) Below the slab (D) All the above

Last Answer : Answer: Option D

Consider the following statements Fibre saturation point in wood is reached when 1. Free water is removed 2. Cell water is removed 3. Shrinkage of wood is rapid 4. Strength gain is rapid Which of these statements are correct? (a) 1, 2 and 3 (b) 1 and 2 only (c) 2 and 4 only (d) 1, 3 and 4

Description : Consider the following statements Fibre saturation point in wood is reached when 1. Free water is removed 2. Cell water is removed 3. Shrinkage of wood is rapid 4. Strength gain is rapid Which of these statements are correct? (a) 1, 2 and 3 (b) 1 and 2 only (c) 2 and 4 only (d) 1, 3 and 4

Last Answer : (d) 1, 3 and 4

Pick out the wrong statement. (A) Tin can be readily and very easily drawn into very fine wire (B) Tin can be severely cold worked without the necessity of annealing due to its low recrystallisation temperature (C) Tin exists in two allotropic forms

Description : Pick out the wrong statement. (A) Tin can be readily and very easily drawn into very fine wire (B) Tin can be severely cold worked without the necessity of annealing due to its low recrystallisation temperature (C) Tin exists in two allotropic forms

Last Answer : (A) Tin can be readily and very easily drawn into very fine wire

Pick out the wrong statement: (A) Chemical reactions with high activation energy are very temperature sensitive (B) A flat velocity profile exists in a plug flow reactor (C) The residence time for all the elements of fluid in case of a P.F.R. need not be same (D) Half life of a reaction increases with increased initial concentration for reaction orders more than one

Description : Pick out the wrong statement: (A) Chemical reactions with high activation energy are very temperature sensitive (B) A flat velocity profile exists in a plug flow reactor (C) The residence ... D) Half life of a reaction increases with increased initial concentration for reaction orders more than one

Last Answer : (C) The residence time for all the elements of fluid in case of a P.F.R. need not be same

Pick out the wrong statement. (A) Complete unity of command exists in a line organisation (B) Line organisation is net suitable for expansion and growth of an industry (C) In line and staff organisation, "line" executes and "staff directs (D) None of these

Description : Pick out the wrong statement. (A) Complete unity of command exists in a line organisation (B) Line organisation is net suitable for expansion and growth of an industry (C) In line and staff organisation, "line" executes and "staff directs (D) None of these

Last Answer : C) In line and staff organisation, "line" executes and "staff directs

Pick up the correct equation from the following: (A) Run off = Surface run off + Ground water flow(B) Run off = Surface run off - Ground water flow (C) Run off = Surface run off / Ground water flow (D) Run off = Surface run off x Ground water flow

Description : Pick up the correct equation from the following: (A) Run off = Surface run off + Ground water flow (B) Run off = Surface run off - Ground water flow (C) Run off = Surface run off / Ground water flow (D) Run off = Surface run off x Ground water flow

Last Answer : Answer: Option A

Consider the table Student(stuid, name, course, marks). Which one of the following two queries is correct to find the highest marks student in course 5? Q.1. Select S.stuid From student S Where not exists (select * from student e where e course='5' and e marks ≥ s marks) Q.2. Select S.stuid From student S Where s.marks > any (select distinct marks from student S where s.couse = 5) (A) Q.1 (B) Q.2 (C) Both Q.1 and Q.2 (D) Neither Q.1 nor Q.2

Description : Consider the table Student(stuid, name, course, marks). Which one of the following two queries is correct to find the highest marks student in course 5? Q.1. Select S.stuid From student S Where not exists (select * from student ... ) Q.1 (B) Q.2 (C) Both Q.1 and Q.2 (D) Neither Q.1 nor Q.2

Last Answer : (B) Q.2 Explanation: First query gives stuid of students whose marks are greater than all students taking course 5. Second query gives stuid of students whose marks are greater than any student taking ... comparison is between maximum of marks by any student in course 5. So the answer is option D.

Why does the shadow zone exists?

Description : Why does the shadow zone exists?

Last Answer : The mantle and core are composed of the same material.APEX

Given below graphs an oxygen dissociation curve `:-` Where in the body will haemoglobin be saturation at the percentage shown at points X,Y and Z.

Description : Given below graphs an oxygen dissociation curve `:-` Where in the body will haemoglobin be saturation at the percentage shown at points X,Y and Z.

Last Answer : Given below graphs an oxygen dissociation curve `:-` Where in the body will haemoglobin be ... ventricle , Y-Right ventricle, Z-Systemic artery

In case of __________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface. (A) Nucleate (B) Local (C) Pool (D) Saturated

Description : In case of __________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface. (A) Nucleate (B) Local (C) Pool (D) Saturated

Last Answer : (B) Local

Pick up the consideration to the taken while designing a hospital from the following: (A) The operation theatre unit to be detached as it requires sterilized zone but near the ward for the patients and doctor (B) The mortuary should be detached from the main circulation with a post-mortem room (C) Casualty unit should be provided a separate entrance (D) All the above

Description : Pick up the consideration to the taken while designing a hospital from the following: (A) The operation theatre unit to be detached as it requires sterilized zone but near the ward for the patients ... post-mortem room (C) Casualty unit should be provided a separate entrance (D) All the above

Last Answer : Answer: Option D

Pick out the wrong statement (A) The concentric atmosphere layer just above troposphere is called stratosphere, which is rich in ozone (B) Mesosphere is characterised by very low atmospheric pressure and low temperature (C) Troposphere is a dusty zone containing water vapor and clouds (D) The radio waves used in the long distance radio communication are reflected back to earth by stratosphere

Description : Pick out the wrong statement (A) The concentric atmosphere layer just above troposphere is called stratosphere, which is rich in ozone (B) Mesosphere is characterised by very low atmospheric ... radio waves used in the long distance radio communication are reflected back to earth by stratosphere

Last Answer : (D) The radio waves used in the long distance radio communication are reflected back to earth by stratosphere

Pick out the wrong statement. (A) The concentric layer in atmosphere which contains about 70% of the total mass of atmosphere and characterised by a steady decrease in temperature is called stratosphere (B) Stratosphere is rich in ozone and is located just above the troposphere (C) Troposphere is a turbulent dusty zone containing much of water vapor and clouds (D) The earth's atmosphere is an envelope of gases extending upto a height of about 200 kms

Description : Pick out the wrong statement. (A) The concentric layer in atmosphere which contains about 70% of the total mass of atmosphere and characterised by a steady decrease in temperature is called stratosphere (B) ... ) The earth's atmosphere is an envelope of gases extending upto a height of about 200 kms

Last Answer : (A) The concentric layer in atmosphere which contains about 70% of the total mass of atmosphere and characterised by a steady decrease in temperature is called stratosphere