From the surface of reservoir, evaporation may be minimised by sprinkling (A) Spirit (B) Hydrochloric acid (C) Acetyl alcohol(D) Methane

From the surface of reservoir, evaporation may be minimised by sprinkling
(A) Spirit
(B) Hydrochloric acid
(C) Acetyl alcohol

(D) Methane
by

1 Answer

Answer :

(C) Acetyl alcohol
by

Related questions

For calculating the evaporation rate over a reservoir surface E = 0.771 (1.465 - 0.00732B) (0.44 - 0.007375 V) (pe - pa), the equation is given by (A) Roohwer's, formula in M.K.S. (B) Roohwer's formula in F.P.S. (C) Dalton's formula in F.P.S. (D) Dalton's formula in M.K.S

Description : For calculating the evaporation rate over a reservoir surface E = 0.771 (1.465 - 0.00732B) (0.44 - 0.007375 V) (pe - pa), the equation is given by (A) Roohwer's, formula in M.K.S. (B) Roohwer's formula in F.P.S. (C) Dalton's formula in F.P.S. (D) Dalton's formula in M.K.S

Last Answer : Answer: Option A

Curing of pavements, floors, roofs and slabs, is done by (A) Membrane method (B) Ponding method (C) Covering surface with bags (D) Sprinkling water method

Description : Curing of pavements, floors, roofs and slabs, is done by (A) Membrane method (B) Ponding method (C) Covering surface with bags (D) Sprinkling water method

Last Answer : Answer: Option B

The most suitable chemical which can be applied to the water surface for reducing evaporation is (A) Methyl alcohol (B) Ethyl alcohol (C) Cetyl alcohol (D) Butyl alcohol

Description : The most suitable chemical which can be applied to the water surface for reducing evaporation is (A) Methyl alcohol (B) Ethyl alcohol (C) Cetyl alcohol (D) Butyl alcohol

Last Answer : Answer: Option C

Demand for public uses in a city, does not include water required for (A) Watering of public parks (B) Watering of public gardens (C) Sprinkling on roads (D) Drinking purposes

Description : Demand for public uses in a city, does not include water required for (A) Watering of public parks (B) Watering of public gardens (C) Sprinkling on roads (D) Drinking purposes

Last Answer : (D) Drinking purposes

Pick up the correct statement from the following: (A) Spherical aberration may be reduced by diminishing the aperture (B) Spherical aberration may be minimised by replacing the single lens by a combination of the lenses (C) In telescope objectives, a combination of convex lens and concave lens is used (D) All the above

Description : Pick up the correct statement from the following: (A) Spherical aberration may be reduced by diminishing the aperture (B) Spherical aberration may be minimised by replacing the single lens by a ... telescope objectives, a combination of convex lens and concave lens is used (D) All the above

Last Answer : (D) All the above

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

Which of the following is the most important chemically-active fluid involved in the formation of rocks? w) hydrochloric acid x) sulfuric acid y) water z) methane

Description : Which of the following is the most important chemically-active fluid involved in the formation of rocks? w) hydrochloric acid x) sulfuric acid y) water z) methane

Last Answer : ANSWER: Y -- WATER

Spirit varnish generally consists of (A) Oil, wax and resin (B) Alcohol, wax and turpentine (C) Pigment and synthetic resin (D) Spirit and shellac

Description : Spirit varnish generally consists of (A) Oil, wax and resin (B) Alcohol, wax and turpentine (C) Pigment and synthetic resin (D) Spirit and shellac

Last Answer : Answer: Option D

Bad odour in sanitary latrines is reduced by periodically sprinkling (A) Bleaching powder (B) Lime powder (C) Aluminium sulphate (D) None of these

Description : Bad odour in sanitary latrines is reduced by periodically sprinkling (A) Bleaching powder (B) Lime powder (C) Aluminium sulphate (D) None of these

Last Answer : Option B

Transparent soaps (e.g. Pears) are (A) Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency (B) Metallic soaps with frothing agent and free Stearic acid to achieve transparency (C) Metallic soaps with frothing agent from which glycerine has not been recovered (D) None of these

Description : Transparent soaps (e.g. Pears) are (A) Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency (B) ... (C) Metallic soaps with frothing agent from which glycerine has not been recovered (D) None of these

Last Answer : (A) Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency

Pick out the system with minimum boiling azeotrope at 1 atm. (A) Benzene-toluene (B) Ethyl alcohol-water (C) Hydrochloric acid-water (D) All (A), (B) and (C)

Description : Pick out the system with minimum boiling azeotrope at 1 atm. (A) Benzene-toluene (B) Ethyl alcohol-water (C) Hydrochloric acid-water (D) All (A), (B) and (C)

Last Answer : (B) Ethyl alcohol-water

Which of the following binary systems is an example of a maximum boiling azeotrope? (A) Water-hydrochloric acid (B) Acetone-carbon disulphide (C) Water-ethyl alcohol (D) n-heptane-n-octane

Description : Which of the following binary systems is an example of a maximum boiling azeotrope? (A) Water-hydrochloric acid (B) Acetone-carbon disulphide (C) Water-ethyl alcohol (D) n-heptane-n-octane

Last Answer : (A) Water-hydrochloric acid

Which of the following solvents is used for the extraction of H3PO4 from CaCl2 solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching? (A) Isopropyl alcohol (B) Butyl alcohol (C) Toluene (D) Hexane

Description : Which of the following solvents is used for the extraction of H3PO4 from CaCl2 solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching? (A) Isopropyl alcohol (B) Butyl alcohol (C) Toluene (D) Hexane

Last Answer : (B) Butyl alcohol

Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of (A) Nitric acid (B) Hydrochloric acid (C) Methyl alcohol (D) Formic acid

Description : Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of (A) Nitric acid (B) Hydrochloric acid (C) Methyl alcohol (D) Formic acid

Last Answer : (A) Nitric acid

At the end of glycolysis, six carbon compound ultimately changes into (a) ethyl alcohol (b) acetyl Co-A (c) pyruvic acid (d) ATP

Description : At the end of glycolysis, six carbon compound ultimately changes into (a) ethyl alcohol (b) acetyl Co-A (c) pyruvic acid (d) ATP

Last Answer : (c) pyruvic acid

The common refrigerant used in domestic Refrigerator is-------? A. Neon B. Spirit C. Freon/Ammonia (Answer) D. Methane

Description : The common refrigerant used in domestic Refrigerator is-------? A. Neon B. Spirit C. Freon/Ammonia (Answer) D. Methane

Last Answer : C. Freon/Ammonia (Answer)

Risk of neural tube defect in the offspring can be minimised in pregnant women receiving antiepileptic drugs by supplemental therapy with: A. Folic acid B. Vitamin A C. Vitamin E D. Pyridoxine

Description : Risk of neural tube defect in the offspring can be minimised in pregnant women receiving antiepileptic drugs by supplemental therapy with: A. Folic acid B. Vitamin A C. Vitamin E D. Pyridoxine

Last Answer : B. Vitamin A

The storage capacity of a reservoir may be divided into three zones. The lowest zone is (A) Dead storage (B) Useful storage(C) Surcharge storage (D) None of these

Description : The storage capacity of a reservoir may be divided into three zones. The lowest zone is (A) Dead storage (B) Useful storage  (C) Surcharge storage  (D) None of these

Last Answer : (A) Dead storage

In fermentation reactions occurring in yeast, two products of metabolism are ______ and ______. a. Acid; Hydrogen Gas b. Hydrogen Gas; Sucrose c. Ethyl Alcohol; Methane d. Carbon Dioxide; Ethyl Alcohol

Description : In fermentation reactions occurring in yeast, two products of metabolism are ______ and ______. a. Acid; Hydrogen Gas b. Hydrogen Gas; Sucrose c. Ethyl Alcohol; Methane d. Carbon Dioxide; Ethyl Alcohol

Last Answer : a. Acid; Hydrogen Gas

The main constituent of biogas is (1) oxygen (2) methane (3) acetic acid (4) methyl alcohol

Description : The main constituent of biogas is (1) oxygen (2) methane (3) acetic acid (4) methyl alcohol

Last Answer : methane

Denatured spirit is a mixture of ethyl alcohol, methyl alcohol and which other thing? -Do You Know?

Description : Denatured spirit is a mixture of ethyl alcohol, methyl alcohol and which other thing? -Do You Know?

Last Answer : answer:

Absolute alcohol is prepared form rectified spirit by

Description : Absolute alcohol is prepared form rectified spirit by

Last Answer : Absolute alcohol is prepared form rectified spirit by A. Steam distillation B. Fractional distillation C ... with CaO & Ca D. simple distillation

Absolute alcohol is 1. Pure ethanol 2. 95% alcohol and 5% water 3. 200% proof 4. Rectified spirit The correct answers are: (a) 1 and 2 (b) 1 and 4 (c) 1 and 3 (d) 2 and 3

Description : Absolute alcohol is 1. Pure ethanol 2. 95% alcohol and 5% water 3. 200% proof 4. Rectified spirit The correct answers are: (a) 1 and 2 (b) 1 and 4 (c) 1 and 3 (d) 2 and 3

Last Answer : Ans:(c)

Rectified spirit is : (1) 95% ethyl alcohol (2) 100% ethyl alcohol (3) methylated spirit (4) tincture iodine

Description : Rectified spirit is : (1) 95% ethyl alcohol (2) 100% ethyl alcohol (3) methylated spirit (4) tincture iodine

Last Answer : (1) 95% ethyl alcohol Explanation: Rectified spirit, also known as ethyl alcohol of agricultural origin, is highly concentrated ethanol which has been purified by means of repeated distillation, called rectification. It typically contains 95% alcohol by volume.

Wood spirit is – (1) Methyl alcohol (2) Ethyl alcohol (3) Butyl alcohol (4) Propyl alcohol

Description : Wood spirit is – (1) Methyl alcohol (2) Ethyl alcohol (3) Butyl alcohol (4) Propyl alcohol

Last Answer : (1) Methyl alcohol Explanation: Methanol is also known as methyl alcohol, wood alcohol, wood naphtha or wood spirits. It acquired the name "wood alcohol" because it was once produced ... is produced in a catalytic industrial process directly from carbon monoxide, carbon dioxide, and hydrogen.

Ethanol containing 5% water is known as – (1) Dilute alcohol (2) Power alcohol (3) Rectified spirit (4) Absolute alcohol

Description : Ethanol containing 5% water is known as – (1) Dilute alcohol (2) Power alcohol (3) Rectified spirit (4) Absolute alcohol

Last Answer : (3) Rectified spirit Explanation: A rectified alcohol is highly concentrated ethanol which' has been purified by means of repeated distillation, a process that is called rectification. It typically contains 95% alcohol by volume and 5% water. Normally, ethanol with 5% water is known as pure alcohol.

Wood Spirit is which of the following? (1) Ethyl Alcohol (2) Propanol (3) Methyl Alcohol (4) Butanol

Description : Wood Spirit is which of the following? (1) Ethyl Alcohol (2) Propanol (3) Methyl Alcohol (4) Butanol

Last Answer : (3) Methyl Alcohol Explanation: Wood spirit (countable and uncountable, plural wood spirits) (countable) A dryad or other spiritual being associated with forests, woods, or trees. (Uncountable, often the wood spirit) Methyl Alcohol, a type of alcohol.

Ethanol containing 5% water is known as – (1) rectified spirit (2) denatured spirit (3) methylated alcohol (4) power alcohol

Description : Ethanol containing 5% water is known as – (1) rectified spirit (2) denatured spirit (3) methylated alcohol (4) power alcohol

Last Answer : (1) rectified spirit Explanation: A rectified spirit, rectified alcohol, or neutral spirit is highly concentrated ethanol which has been purified by means of repeated distillation, a process that is ... drinks, in the production of liqueurs, for medicinal purposes, and as a household solvent.

Denatured spirit is a mixture of ethyl alcohol, methyl alcohol and which other thing?

Description : Denatured spirit is a mixture of ethyl alcohol, methyl alcohol and which other thing?

Last Answer : Pyridine

Rectified spirit contains alcohol about ? A. 80% B. 95% (Answer) C. 70% D. 85%

Description : Rectified spirit contains alcohol about ? A. 80% B. 95% (Answer) C. 70% D. 85%

Last Answer : B. 95% (Answer)

Raw material used in alcohol distilleries in India is (A) Molasses (B) Benzol (C) Methylated spirit (D) None of these

Description : Raw material used in alcohol distilleries in India is (A) Molasses (B) Benzol (C) Methylated spirit (D) None of these

Last Answer : (A) Molasses

Pure rectified spirit contains about __________ percent alcohol. (A) 45 (B) 70 (C) 95 (D) 99.5

Description : Pure rectified spirit contains about __________ percent alcohol. (A) 45 (B) 70 (C) 95 (D) 99.5

Last Answer : (C) 95

1. Besides water and light which is more essential as a raw material for photosynthesis? 2. Which can impose reasonable restrictions on the Fundamental Rights of the Indian citizens? 3. Denatured spirit is a mixture of ethyl alcohol, methyl alcohol and which other thing? 4. What is the administrative capital of South Africa? 5. During the 1857 Revolt who captured Gwalior from the Scindhia ?

Description : 1. Besides water and light which is more essential as a raw material for photosynthesis? 2. Which can impose reasonable restrictions on the Fundamental Rights of the Indian citizens? 3. Denatured ... portion remaining above the sea level? 20. At which place is the famous Kailasha Temple located?

Last Answer : Answer : 1. CO2 2. Parliament 3. Pyridine 4. Pretoria 5. Rani Lakshmibai 6. Rabindranath Tagore 7. Profession Tax 8. Due to imbibition 9. Myanmar 10. Dandi March 11. 44th 12. Because of ... Young folded mountains 15. Lord Mountbatten 16. Deolali 17. Phototropism 18. 500 19. 1/10th 20. Ellora

Rectified spirit is : (1) 95% ethyl alcohol (2) 100% ethyl alcohol (3) methylated spirit (4) tincture iodine

Description : Rectified spirit is : (1) 95% ethyl alcohol (2) 100% ethyl alcohol (3) methylated spirit (4) tincture iodine

Last Answer : 95% ethyl alcohol

Ethanol containing 5% water is known as : (1) Dilute alcohol (2) Power alcohol (3) Rectified spirit (4) Absolute alcohol

Description : Ethanol containing 5% water is known as : (1) Dilute alcohol (2) Power alcohol (3) Rectified spirit (4) Absolute alcohol

Last Answer :  Rectified spirit

Wood spirit is (1) Methyl alcohol (2) Ethyl alcohol (3) Butyl alcohol (4) Propyl alcohol

Description : Wood spirit is (1) Methyl alcohol (2) Ethyl alcohol (3) Butyl alcohol (4) Propyl alcohol

Last Answer : Methyl alcohol

Ethanol containing 5% water is known as (1) rectified spirit (2) denatured spirit (3) methylated alcohol (4) power alcohol

Description : Ethanol containing 5% water is known as (1) rectified spirit (2) denatured spirit (3) methylated alcohol (4) power alcohol 

Last Answer : rectified spirit

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

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

Alcohol dehydrogenase converts ethanol into (A) Acetyl CoA (B) Acetaldehyde (C) Acetate (D) CO2 and H2O

Description : Alcohol dehydrogenase converts ethanol into (A) Acetyl CoA (B) Acetaldehyde (C) Acetate (D) CO2 and H2O

Last Answer : Answer : B

Which of the following compounds will react with methylmagnesium bromide to give tert-butyl alcohol? (a) Acetyl chloride (b) Acetone (c) Isopropyl alcohol (d) Acetaldehyde

Description : Which of the following compounds will react with methylmagnesium bromide to give tert-butyl alcohol? (a) Acetyl chloride (b) Acetone (c) Isopropyl alcohol (d) Acetaldehyde

Last Answer : Acetone

Brunauer, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation? (A) Langmuir's assumption applies to every adsorbed layer (B) There is no dynamic equilibrium between successive layer (C) The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process (D) None of these

Description : Brunauer, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates ... (except the first one) is involved in each of the evaporation process (D) None of these

Last Answer : (B) There is no dynamic equilibrium between successive layer

The best quality of filter material is obtained from quartzite if it does not loose weight when placed in hydrochloric acid for 24 hours, more than (A) 5 % (B) 8 % (C) 10 % (D) 12 %

Description : The best quality of filter material is obtained from quartzite if it does not loose weight when  placed in hydrochloric acid for 24 hours, more than  (A) 5 %  (B) 8 %  (C) 10 %  (D) 12 % 

Last Answer : (A) 5 % 

How do you minimised strategic misrepresentation?

Description : How do you minimised strategic misrepresentation?

Last Answer : Need answer

In a moderately sized packed absorption tower, channelling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter (A) > 4 :1 (B) < 8 : 1 (C) > 8:1 (D) < 6:1

Description : In a moderately sized packed absorption tower, channelling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter (A) > 4 :1 (B) < 8 : 1 (C) > 8:1 (D) < 6:1

Last Answer : (C) > 8:1

What are the losses in a power transformer and mention how these losses can be minimised?

Description : What are the losses in a power transformer and mention how these losses can be minimised?

Last Answer : There are two losses in a transformer. a. Iron losses. b. Copper losses. Iron losses - Iron losses constitutes of two losses. a. Eddy current losses, these are due to the induced emf in the core ... the load current I - current through winding. r - resistance of winding. t - time duration. 

Stack heat losses can be minimised by (A) Controlling the excess air (B) Oxygen enrichment of combustion air (C) Using low c.v. fuels (D) Maintaining proper draft in the furnace

Description : Stack heat losses can be minimised by (A) Controlling the excess air (B) Oxygen enrichment of combustion air (C) Using low c.v. fuels (D) Maintaining proper draft in the furnace

Last Answer : (A) Controlling the excess air

. A special type of liquid transporting device is the diffuser pump, in which __________ are minimised. (A) Bearing losses (B) Disk friction (C) Shock losses (D) Cavitation

Description : . A special type of liquid transporting device is the diffuser pump, in which __________ are minimised. (A) Bearing losses (B) Disk friction (C) Shock losses (D) Cavitation

Last Answer : (C) Shock losses

In the construction of a full veneer gold crown, future recession of gingival tissue can be prevented or at least minimised by, A. Extension of the crown 1 mm under the gingival crevice B. Reproduction of normal tooth incline in the gingival one third of the crown C. Slight over contouring of the tooth in the gingival one fifth of the crown D. Slight under contouring of the tooth in the gingival one fifth of the crown

Description : In the construction of a full veneer gold crown, future recession of gingival tissue can be prevented or at least minimised by, A. Extension of the crown 1 mm under the gingival crevice B. ... of the crown D. Slight under contouring of the tooth in the gingival one fifth of the crown

Last Answer : B. Reproduction of normal tooth incline in the gingival one third of the crown

Variation in the drop size of seed can be minimised by (a) Using a short, smooth, small diameter tube with the discharge end close to bottom of furrow. (b) Discharging the seed directly from the metering device within a few centimetres of the furrow bottom. (c) Mechanically transferring the seeds from the metering unit in the furrow. (d) All of the above.

Description : Variation in the drop size of seed can be minimised by (a) Using a short, smooth, small diameter tube with the discharge end close to bottom of furrow. (b) Discharging the seed directly from ... (c) Mechanically transferring the seeds from the metering unit in the furrow. (d) All of the above.

Last Answer : d) All of the above.