Run off includes (A) Precipitation over catchment area of the stream and its attributaries (B) Surface run off (C) Ground water flow (D) All the above

Run off includes
(A) Precipitation over catchment area of the stream and its attributaries
(B) Surface run off
(C) Ground water flow
(D) All the above
by

1 Answer

Answer :

Answer: Option D
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Related questions

Pick up the incorrect statement from the following: (A) The net amount of water which joins the surface streams in a catchment, is known as surface run-off (B) The amount of water which joins the stream from the underground water, is called base flow (C) The yearly run off in cm depth over the catchment, is termed as the yield of the drainage basin(D) None of these

Description : Pick up the incorrect statement from the following:  (A) The net amount of water which joins the surface streams in a catchment, is known as  surface run-off  (B) The amount of water which ... over the catchment, is termed as the yield of the drainage  basin  (D) None of these

Last Answer : (D) None of these

Pick up the correct statement from the following: (A) Run off and surface run off are the same (B) Run off includes the water flowing over the surface (C) Run off is sometimes called discharge of the river (D) Surface run off is sometimes called stream flow

Description : Pick up the correct statement from the following: (A) Run off and surface run off are the same (B) Run off includes the water flowing over the surface (C) Run off is sometimes called discharge of the river (D) Surface run off is sometimes called stream flow

Last Answer : Answer: Option C

For determination of average annual precipitation in a catchment basin, the best method is (A) Arithmetical method (B) Thiessen's mean method (C) Isohyetal method (D) None of these

Description : For determination of average annual precipitation in a catchment basin, the best method is (A) Arithmetical method (B) Thiessen's mean method (C) Isohyetal method (D) None of these

Last Answer : Answer: Option C

While calculating the average depth of annual precipitation in a catchment basin, importance to individual rain-gauge station is given in (A) Arithmetical method (B) Thiessen's mean method (C) Isohyetal method (D) Both (b) and (c)

Description : While calculating the average depth of annual precipitation in a catchment basin, importance to individual rain-gauge station is given in (A) Arithmetical method (B) Thiessen's mean method (C) Isohyetal method (D) Both (b) and (c)

Last Answer : Answer: Option D

If intensity of rainfall in cm per hour is I, percentage coefficient of run-off is P, area of catchment in square kilometres is A, the total run-off Q, is given by (A) Q = 1.758 × 102 × API(B) Q = 2.758 × 102 × API(C) Q = 2.758 × 103 × API(D) Q = 2.758 × 103 × A/PI

Description : If intensity of rainfall in cm per hour is I, percentage coefficient of run-off is P, area of catchment in  square kilometres is A, the total run-off Q, is given by  (A) Q = 1.758 102   API (B) Q = 2.758 ... API (C) Q = 2.758 103   API (D) Q = 2.758 103   A/PI

Last Answer : (C) Q = 2.758 × 103  × API

The run off a drainage basin is (A) Initial recharge + ground water accretion + precipitation (B) Precipitation + ground water accretion + initial recharge (C) Precipitation - ground water accretion + initial recharge (D) Precipitation - ground water accretion - initial recharge

Description : The run off a drainage basin is (A) Initial recharge + ground water accretion + precipitation (B) Precipitation + ground water accretion + initial recharge (C) Precipitation - ground water accretion + initial recharge (D) Precipitation - ground water accretion - initial recharge

Last Answer : Answer: Option D

Water gets evaporated from water surfaces and land surfaces, get converted into water drops at lower temperatures, flows over ground surface and finally meets its source, i.e. lake, sea, etc. This entire process is generally known as (A) Hydrological cycle (B) Water cycle (C) Evaporation and precipitation cycle (D) All the above

Description : Water gets evaporated from water surfaces and land surfaces, get converted into water drops at lower temperatures, flows over ground surface and finally meets its source, i.e. lake, sea, etc. This ... Hydrological cycle (B) Water cycle (C) Evaporation and precipitation cycle (D) All the above

Last Answer : (D) All the above

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

Hydrograph is a graphical representation of (A) Surface run off (B) Ground water flow (C) Rain fall (D) Discharge flowing in the river

Description : Hydrograph is a graphical representation of (A) Surface run off (B) Ground water flow (C) Rain fall (D) Discharge flowing in the river

Last Answer : Answer: Option D

Total flow in stream is known (A) Run off (B) Stream flow (C) Discharge (D) All the above

Description : Total flow in stream is known (A) Run off (B) Stream flow (C) Discharge (D) All the above

Last Answer : (D) All the above

The surface Run-off is the quantity of water (A) Absorbed by soil (B) Intercepted by buildings and vegetative cover (C) Required to fill surface depressions (D) That reaches the stream channels

Description : The surface Run-off is the quantity of water (A) Absorbed by soil (B) Intercepted by buildings and vegetative cover (C) Required to fill surface depressions (D) That reaches the stream channels

Last Answer : Answer: Option D

State the significance of following terms : i) Hydrology ii) Surface run-off iii) Evaporation iv) Precipitation

Description : State the significance of following terms : i) Hydrology ii) Surface run-off iii) Evaporation iv) Precipitation

Last Answer : (i) Hydrology: It may be defined as the science which deals with the depletion and replenishment of water resources. Hydrology deals with the occurrence and distribution of water over and under earth's ... types:  a) Liquid precipitation (Rainfall)  b) Solid precipitation (Snow, Hail) 

Rain simulators are used for the determination of (A) Evaporation (B) Precipitation (C) Run off (D) Infiltration capacity

Description : Rain simulators are used for the determination of (A) Evaporation (B) Precipitation (C) Run off (D) Infiltration capacity

Last Answer : Answer: Option D

Precipitation includes (A) Rain (B) Snow (C) Hail (D) All of these

Description : Precipitation includes (A) Rain (B) Snow (C) Hail (D) All of these

Last Answer : Answer: Option D

Intermediate catch water drains are provided only, if (A) Catchment area of the watershed above road is large (B) Intensity of rainfall is heavy (C) Single catch water drain is inadequate (D) All the above

Description : Intermediate catch water drains are provided only, if (A) Catchment area of the watershed above road is large (B) Intensity of rainfall is heavy (C) Single catch water drain is inadequate (D) All the above

Last Answer : Answer: Option D

m and n are monsoon duration factor and catchment factor respectively. If P is yearly rainfall in cm, runoff can be calculated by (A) Velocity area method (B) Weir or spillway method (C) Use of venturi-meter (D) Using power plant consumption

Description : m and n are monsoon duration factor and catchment factor respectively. If P is yearly rainfall in  cm, runoff can be calculated by  (A) Velocity area method  (B) Weir or spillway method  (C) Use of venturi-meter  (D) Using power plant consumption 

Last Answer : (A) Velocity area method 

In the estimate of design flood, Dickens assumes that high flood in cumecs, is proportional to catchment area raised to the power (A) 1/4 (B) 1/2 (C) 3/4 (D) 2/3

Description : In the estimate of design flood, Dickens assumes that high flood in cumecs, is proportional to catchment area raised to the power (A) 1/4 (B) 1/2 (C) 3/4 (D) 2/3

Last Answer : Answer: Option C

For a catchment area of 120 km², the equilibrium discharge in m3/hour of a Scurve obtained by the summation of 6 hour unit hydro graph is (A) 0.2 × 106 (B) 0.6 × 106 (C) 2.4 × 106 (D) 7.2 × 10

Description : For a catchment area of 120 km², the equilibrium discharge in m3/hour of a Scurve obtained by the summation of 6 hour unit hydro graph is (A) 0.2 × 106 (B) 0.6 × 106 (C) 2.4 × 106 (D) 7.2 × 10

Last Answer : Answer: Option A

Evaporation losses depend upon (A) Area of the water surface and depth of the water (B) Nature of precipitation and type of vegetation (C) Humidity and wind velocity (D) All the above

Description : Evaporation losses depend upon (A) Area of the water surface and depth of the water (B) Nature of precipitation and type of vegetation (C) Humidity and wind velocity (D) All the above

Last Answer : Answer: Option D

The main source of water is : a. Surface water b. Precipitation ( Rain) c. Ground water; d. Oceans.

Description : The main source of water is : a. Surface water b. Precipitation ( Rain) c. Ground water; d. Oceans.

Last Answer : b. Precipitation ( Rain)

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 

The best instrument for measuring the velocity of a stream flow is (A) Pitot tube (B) Price's current meter (C) Surface float (D) Sub-surface float

Description : The best instrument for measuring the velocity of a stream flow is (A) Pitot tube (B) Price's current meter (C) Surface float (D) Sub-surface float

Last Answer : Answer: Option B

For the estimate of high floods in fan-shaped catchment, the formula used is (A) Dicken's formula (B) Ryve's formula (C) Inglis formula (D) None of these

Description : For the estimate of high floods in fan-shaped catchment, the formula used is (A) Dicken's formula (B) Ryve's formula (C) Inglis formula (D) None of these

Last Answer : Answer: Option C

The rainfall on five successive days on a catchment was 3, 6, 9, 5 and 1 cm respectively. If the  -index for the storm can be assumed to be 3 cm/day, the total direct runoff from the catchment due to this storm is (a) 11 cm (b) 24 cm (c) 9 cm (d) 20 cm

Description : The rainfall on five successive days on a catchment was 3, 6, 9, 5 and 1 cm respectively. If the  -index for the storm can be assumed to be 3 cm/day, the total direct runoff from the catchment due to this storm is (a) 11 cm (b) 24 cm (c) 9 cm (d) 20 cm

Last Answer : (a) 11 cm

The area of land where water collects after the rain is termed as: A. Watershed. B. Catchment area. C. Aquifer. D. Percolation area.

Description : The area of land where water collects after the rain is termed as: A. Watershed. B. Catchment area. C. Aquifer. D. Percolation area.

Last Answer : B. Catchment area.

The Euler's equation for the motion of liquids is based upon the assumption that (A) The fluid is non - viscous, homogeneous and incompressible (B) The velocity of flow is uniform over the section (C) The flow is continuous, steady and along the stream line (D) All of the above

Description : The Euler's equation for the motion of liquids is based upon the assumption that (A) The fluid is non - viscous, homogeneous and incompressible (B) The velocity of flow is uniform over the section (C) The flow is continuous, steady and along the stream line (D) All of the above

Last Answer : Answer: Option D

What is meant by catchment area and explain its function:

Description : What is meant by catchment area and explain its function:

Last Answer : The whole area behind the dam is called the catchment area. The rain water in the area will be drained into the dam through a dam or river.

Pick up correct statement from the following: (A) The air from outer portion of cyclones gets lifted for causing precipitation (B) The air from central portion of cyclone's gets lifted for causing precipitation (C) The air from entire surface of the cyclones gets lifted for causing precipitation (D) None of those

Description : Pick up correct statement from the following: (A) The air from outer portion of cyclones gets lifted for causing precipitation (B) The air from central portion of cyclone's gets lifted for ... The air from entire surface of the cyclones gets lifted for causing precipitation (D) None of those

Last Answer : Answer: Option B

The R.L. of ground water table on the sides of a valley is 1505 m whereas R.L. of the stream water is 1475 m. If 60° slope consists of pervious soil between R.L. 1485 m to 1500 m, the gravity spring may be expected at the point of reduced level (A) 1500 m (B) 1505 m (C) 1475 m (D) 1485 m

Description : The R.L. of ground water table on the sides of a valley is 1505 m whereas R.L. of the stream water  is 1475 m. If 60° slope consists of pervious soil between R.L. 1485 m to 1500 m, the gravity spring  may ... of reduced level  (A) 1500 m  (B) 1505 m  (C) 1475 m  (D) 1485 m 

Last Answer : (D) 1485 m 

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

Which one among the following rivers has the largest catchment area? [IAS 2008] (a) Cauvery (b) Krishna (c) Mahanadi (d) Narmada

Description : Which one among the following rivers has the largest catchment area? [IAS 2008] (a) Cauvery (b) Krishna (c) Mahanadi (d) Narmada

Last Answer : Ans: (b)

The increased incidence of floods in recent times in North India is due to – (1) increase in the annual rainfall, (2) increase in the silting of dams, (3) increased deforestation in the catchment area, (4) None of these

Description : The increased incidence of floods in recent times in North India is due to – (1) increase in the annual rainfall, (2) increase in the silting of dams, (3) increased deforestation in the catchment area, (4) None of these

Last Answer : (3) increased deforestation in the catchment area, Explanation: The frequency and severity of flooding in the Gangetic plain has steadily increased in recent years. Deforestation of the Terai appears to be one of the major causes.

The human factors which cause floods are: (a) Deforestation (b) Heavy rainfall (c) Cloud burst (d) Large catchment area

Description : The human factors which cause floods are: (a) Deforestation (b) Heavy rainfall (c) Cloud burst (d) Large catchment area

Last Answer : (a) Deforestation

Catchment Command Area (CCA) of minor irrigation projects must be less than ______ a. 4,000 hectares b. 2,000 hectares c. 3,000 hectares d. 1,000 hectares

Description : Catchment Command Area (CCA) of minor irrigation projects must be less than ______ a. 4,000 hectares b. 2,000 hectares c. 3,000 hectares d. 1,000 hectares

Last Answer : c. 3,000 hectares

Catchment Command Area (CCA) of major irrigation projects must be more than ______ a. 8,000 hectares b. 12,000 hectaresc. 10,000 hectaresd. 15, 000 hectares

Description : Catchment Command Area (CCA) of major irrigation projects must be more than ______ a. 8,000 hectares b. 12,000 hectares c. 10,000 hectares d. 15, 000 hectares

Last Answer : c. 10,000 hectares

Catchment Command Area (CCA) of major irrigation projects must be more than ______ a. 8,000 hectares b. 12,000 hectares c. 10,000 hectares d. 15, 000 hectares

Description : Catchment Command Area (CCA) of major irrigation projects must be more than ______ a. 8,000 hectares b. 12,000 hectares c. 10,000 hectares d. 15, 000 hectares

Last Answer : c. 10,000 hectares

Time of concentration (A) Is the time taken, for precipitation (B) Duration of rainfall (C) Time taken for all the ran off to reach the drain (D) Time taken for the storm water to travel from the most remote point to the drain

Description : Time of concentration  (A) Is the time taken, for precipitation  (B) Duration of rainfall  (C) Time taken for all the ran off to reach the drain  (D) Time taken for the storm water to travel from the most remote point to the drain 

Last Answer : (D) Time taken for the storm water to travel from the most remote point to the drain 

Pick up the correct statement from the following: (A) Yield of a drainage basin is the run off at any time (B) Yield of a drainage basin is the run off over long periods (C) Yield of a drainage basin is expressed as surface run off per year

Description : Pick up the correct statement from the following: (A) Yield of a drainage basin is the run off at any time (B) Yield of a drainage basin is the run off over long periods (C) Yield of a drainage basin is expressed as surface run off per year

Last Answer : Answer: Option B

Time of overland flow, is affected by (A) Slope of the basin (B) Type of the ground surface (C) Length of the flow path (D) All the above

Description : Time of overland flow, is affected by (A) Slope of the basin (B) Type of the ground surface (C) Length of the flow path (D) All the above

Last Answer : Answer: Option D

To determine the discharge at a section in a stream from its rating curve, the required data are (i) Slope of water surface at the section (ii) Stage at the section (ii) Current meter readings at the section The correct answer is (A) (i) and (ii) (B) (ii) and (iii) (C) Only (ii) (D) Only (iii)

Description : To determine the discharge at a section in a stream from its rating curve, the required data are (i) Slope of water surface at the section (ii) Stage at the section (ii) Current meter readings at the section The correct ... ) (i) and (ii) (B) (ii) and (iii) (C) Only (ii) (D) Only (iii)

Last Answer : Answer: Option C

Yield of a drainage basin is: (A) Run off of the area expressed as instantaneous rate (B) Average run off over a short period (C) Total volume of water flowing annually (D) All the above

Description : Yield of a drainage basin is: (A) Run off of the area expressed as instantaneous rate (B) Average run off over a short period (C) Total volume of water flowing annually (D) All the above

Last Answer : (C) Total volume of water flowing annually

If the velocities of flow of a stream of 10 m depth recorded by a current meter at depths of 2 m and 8 m are 0.7 m and 0.3 m respectively, the discharge per unit width of the stream in cubic metres, is (A) 2 (B) 3 (C) 4 (D) 5

Description : If the velocities of flow of a stream of 10 m depth recorded by a current meter at depths of 2 m and 8 m are 0.7 m and 0.3 m respectively, the discharge per unit width of the stream in cubic metres, is (A) 2 (B) 3 (C) 4 (D) 5

Last Answer : Answer: Option D

Interception losses are due to (i) Evaporation (ii) Transpiration (iii) Stream flow The correct answer is (A) Only (i) (B) (i) and (ii) (C) (ii) and (iii) (D) (i), (ii) and (iii)

Description : Interception losses are due to (i) Evaporation (ii) Transpiration (iii) Stream flow The correct answer is (A) Only (i) (B) (i) and (ii) (C) (ii) and (iii) (D) (i), (ii) and (iii)

Last Answer : Answer: Option A

The stream which does not have any base flow contribution is called (A) Perennial stream (B) Intermittent stream (C) Ephemeral stream (D) None of the above

Description : The stream which does not have any base flow contribution is called (A) Perennial stream (B) Intermittent stream (C) Ephemeral stream (D) None of the above

Last Answer : Answer: Option C

Consider the following statements: The time of BOD assimilation in a stream can be affected by 1. Ratio of stream depth to flow width. 2. Stream BOD value 3. BOD rate constant. Which of these statements are correct? (a) 1, 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Description : Consider the following statements: The time of BOD assimilation in a stream can be affected by 1. Ratio of stream depth to flow width. 2. Stream BOD value 3. BOD rate constant. Which of these statements are correct? (a) 1, 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Last Answer : (a) 1, 2 & 3

Consider the following statements : 1. There is no flow across a streamline 2. Streamline spacing varies directly with velocity at the section 3. Streamlines do not cross 4. In steady flow, streamline pattern does not change with time Which of these statements in respect of stream flow pattern are correct? (a) 1, 2, 3 and 4 (b) 1 and 2 only (c) 1, 3 and 4 only (d) 2, 3 and 4 only

Description : Consider the following statements : 1. There is no flow across a streamline 2. Streamline spacing varies directly with velocity at the section 3. Streamlines do not cross 4. In steady flow, streamline pattern does not change with ... 4 (b) 1 and 2 only (c) 1, 3 and 4 only (d) 2, 3 and 4 only

Last Answer : (c) 1, 3 and 4 only

Consider the following statements: 1. Over the oceans there is more evaporation than precipitation. 2. On land it is more precipitation than evapo-transpiration. Which of these statements are correct? (a) Both 1 & 2 (b) Neither 1 nor 2 (c) 1 only (d) 2 only

Description : Consider the following statements: 1. Over the oceans there is more evaporation than precipitation. 2. On land it is more precipitation than evapo-transpiration. Which of these statements are correct? (a) Both 1 & 2 (b) Neither 1 nor 2 (c) 1 only (d) 2 only

Last Answer : (a) Both 1 & 2

Processes that break down the herbicides after application includes............................ a). Photo and microbial degradation b). adsorption and uptake c). leaching and runoff d). volatilization and run off

Description : Processes that break down the herbicides after application includes............................ a). Photo and microbial degradation b). adsorption and uptake c). leaching and runoff d). volatilization and run off

Last Answer : a). Photo and microbial degradation

What is the disadvantage for local catchment water?

Description : What is the disadvantage for local catchment water?

Last Answer : Feel Free to Answer