If the atmosphere is cooled, what is its capacity for water vapour? -General Knowledge

If the atmosphere is cooled, what is its capacity for water vapour? -General Knowledge
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If the atmosphere is cooled, what is its capacity for water vapour? -General Knowledge

Description : If the atmosphere is cooled, what is its capacity for water vapour? -General Knowledge

Last Answer : The answer is 'Lowered'

If the atmosphere is cooled, what is its capacity for water vapour?

Description : If the atmosphere is cooled, what is its capacity for water vapour?

Last Answer : Lowered

The capacity of the atmosphere to hold water vapour (a) Increases as the temperature increases (b) Decreases as the temperature increases (c) Increases as the temperature decreases (d) Decreases as the temperature decreases

Description : The capacity of the atmosphere to hold water vapour (a) Increases as the temperature increases (b) Decreases as the temperature increases (c) Increases as the temperature decreases (d) Decreases as the temperature decreases

Last Answer : Ans: (a)

A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________ liquid. (A) Sub-cooled (B) Saturated (C) Non-solidifiable (D) None of these

Description : A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________ liquid. (A) Sub-cooled (B) Saturated (C) Non-solidifiable (D) None of these

Last Answer : (A) Sub-cooled

In a vapour compression cycle, the refrigerant immediately after expansion valve is (a) liquid (b) sub-cooled liquid (c) saturated liquid (d) wet vapour

Description : In a vapour compression cycle, the refrigerant immediately after expansion valve is (a) liquid (b) sub-cooled liquid (c) saturated liquid (d) wet vapour

Last Answer : Ans: d

The temperature to which a vapour gas mixture must be cooled (at varying humidity) to become saturated is called the __________ temperature. (A) Dew point (B) Wet bulb (C) Dry bulb (D) None of these

Description : The temperature to which a vapour gas mixture must be cooled (at varying humidity) to become saturated is called the __________ temperature. (A) Dew point (B) Wet bulb (C) Dry bulb (D) None of these

Last Answer : (D) None of these

In sub-cooled boiling, (A) Temperature of the heating surface is less than the boiling point of the liquid (B) Temperature of the heating surface is more than the boiling point of the liquid (C) Bubbles from heating surface are absorbed by the mass of the liquid (D) Very large vapour space is necessary

Description : In sub-cooled boiling, (A) Temperature of the heating surface is less than the boiling point of the liquid (B) Temperature of the heating surface is more than the boiling point of the liquid (C) ... from heating surface are absorbed by the mass of the liquid (D) Very large vapour space is necessary

Last Answer : (B) Temperature of the heating surface is more than the boiling point of the liquid

When vapour is cooled at constant total system volume, the _______ changes. A Volume. B PRESSURE C Temperature. D None of the mentioned.

Description : When vapour is cooled at constant total system volume, the _______ changes. A Volume. B PRESSURE C Temperature. D None of the mentioned.

Last Answer : B PRESSURE

When vapour is cooled at constant total system volume, the _______ changes. A] Volume. B] Pressure C] Temperature. D] None of the mentioned

Description : When vapour is cooled at constant total system volume, the _______ changes. A] Volume. B] Pressure C] Temperature. D] None of the mentioned

Last Answer : B] Pressure

A piece of magnesium ribbon was heated to redness in an atmosphere of nitrogen and then cooled with water. The gas evolved is

Description : A piece of magnesium ribbon was heated to redness in an atmosphere of nitrogen and then cooled with water. The gas evolved is

Last Answer : A piece of magnesium ribbon was heated to redness in an atmosphere of nitrogen and then cooled with ... . ammonia B. hydrogen C. nitrogen D. oxygen

Would you expect the denatured DNA to regain its transforming capacity when cooled?

Description : Would you expect the denatured DNA to regain its transforming capacity when cooled?

Last Answer : This sounds like a homework question.

The door of a running refrigerator inside a room was left open. Which of the following statements is correct?  (a) The room will be cooled to the temperature inside the refrigerator.  (b) The room will be cooled very slightly.  (c) The room will be gradually warmed up.  (d) The temperature of the air in room will remain unaffected.  (e) any one of above is possible depending on the capacity.

Description : The door of a running refrigerator inside a room was left open. Which of the following statements is correct?  (a) The room will be cooled to the temperature inside the refrigerator.  (b) The room ... air in room will remain unaffected.  (e) any one of above is possible depending on the capacity.

Last Answer : Answer : c

The increasing amount of CO2 in the atmosphere is slowly raising its temperature because it absorbs (a) the infrared part of the solar radiation (b) the ultraviolet part of the solar radiation (c) all the solar radiations (d) the water vapour of the air

Description : The increasing amount of CO2 in the atmosphere is slowly raising its temperature because it absorbs (a) the infrared part of the solar radiation (b) the ultraviolet part of the solar radiation (c) all the solar radiations (d) the water vapour of the air

Last Answer : Ans:(a)

How can the quantity of water vapour the atmosphere hold increases? -Do You Know?

Description : How can the quantity of water vapour the atmosphere hold increases? -Do You Know?

Last Answer : answer:

When dew point la reached it is said that at that temperature (a) the atmosphere is said to be saturated with water vapour (b) the relative humidity of the atmosphere is 100% (c) the atmosphere can hold no more water vapour (d) All the above

Description : When dew point la reached it is said that at that temperature (a) the atmosphere is said to be saturated with water vapour (b) the relative humidity of the atmosphere is 100% (c) the atmosphere can hold no more water vapour (d) All the above

Last Answer : Ans: (a)

How can the quantity of water vapour the atmosphere hold increases?

Description : How can the quantity of water vapour the atmosphere hold increases?

Last Answer : – With increase of temperature

The process in which soil water lost from leaves of plants in the form of vapour and enters the surrounding atmosphere.

Description : The process in which soil water lost from leaves of plants in the form of vapour and enters the surrounding atmosphere.

Last Answer : Ans.Transpiration

A diffusive process by which liquid water in the form of vapour is lost in the atmosphere

Description : A diffusive process by which liquid water in the form of vapour is lost in the atmosphere

Last Answer : Ans.Evaporation

The quantity of water vapour that the atmosphere can hold (a) is independent of temperature (b) increases with increase of temperature (c) decreases with increase of temperature (d) fluctuates with increase of temperature

Description : The quantity of water vapour that the atmosphere can hold (a) is independent of temperature (b) increases with increase of temperature (c) decreases with increase of temperature (d) fluctuates with increase of temperature

Last Answer : Ans:(b)

The atmosphere of the primitive earth before origin of life consisted of: (a) Nitrogen, Oxygen, Ammonia, and Water vapour (b) Methane, Ammonia, Hydrogen, and Water vapour (c) Nitrogen, Oxygen, Water, and Carbon dioxide (d) Ammonia, Water, Oxygen, and Hydrogen

Description : The atmosphere of the primitive earth before origin of life consisted of: (a) Nitrogen, Oxygen, Ammonia, and Water vapour (b) Methane, Ammonia, Hydrogen, and Water vapour (c) Nitrogen, Oxygen, Water, and Carbon dioxide (d) Ammonia, Water, Oxygen, and Hydrogen

Last Answer : Ans:(b)

What is the maximum Water Vapour content in the atmosphere? (1) 2 to 3 per cent (2) 3 to 4 per cent (3) 4 to 5 per cent (4) 5 to 6 per cent

Description : What is the maximum Water Vapour content in the atmosphere? (1) 2 to 3 per cent (2) 3 to 4 per cent (3) 4 to 5 per cent (4) 5 to 6 per cent

Last Answer : (2) 3 to 4 per cent Explanation: The atmosphere of Earth is a layer of gases surrounding the planet. Earth that is retained by Earth's gravity. The atmosphere protects life on Earth by absorbing ... nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases.

Amount of water vapour in the atmosphere is measured in terms of – (1) Humidity (2) Droplets (3) Smog (4) All of the above

Description : Amount of water vapour in the atmosphere is measured in terms of – (1) Humidity (2) Droplets (3) Smog (4) All of the above

Last Answer : (1) Humidity Explanation: Humidity is the amount of water vapor in the air. Water vapor is the has phase of water and is invisible. Humidity indicates the likelihood of precipitation, dew, or ... of sweating in cooling the body by reducing the rate of evaporation of moisture from the skin.

How can the quantity of water vapour the atmosphere hold increases?

Description : How can the quantity of water vapour the atmosphere hold increases?

Last Answer : With increase of temperature

Water vapour turns into clouds in the atmosphere when: A. It rains B. The temperature rise C. Dew point is reached (Answer) D. Evaporation takes place

Description : Water vapour turns into clouds in the atmosphere when: A. It rains B. The temperature rise C. Dew point is reached (Answer) D. Evaporation takes place

Last Answer : C. Dew point is reached (Answer)

According to Oparin, which one of the following was not present in the primitive atmosphere of the earth? (a) Methane (b) Oxygen (c) Hydrogen (d) Water vapour

Description : According to Oparin, which one of the following was not present in the primitive atmosphere of the earth? (a) Methane (b) Oxygen (c) Hydrogen (d) Water vapour

Last Answer : b) Oxygen

Which of the following pairing is incorrect? (1) Hygrometer Water vapour content of the atmosphere (2) Lactometer Specific gravity of liquids (3) Anemometer Speed of the wind (4) Seismograph Earthquakes

Description : Which of the following pairing is incorrect? (1) Hygrometer Water vapour content of the atmosphere (2) Lactometer Specific gravity of liquids (3) Anemometer Speed of the wind (4) Seismograph Earthquakes

Last Answer : Lactometer Specific gravity of liquids

What is the maximum Water Vapour content in the atmosphere? (1) 2 to 3 per cent (2) 3 to 4 per cent (3) 4 to 5 per cent (4) 5 to 6 per cent

Description : What is the maximum Water Vapour content in the atmosphere? (1) 2 to 3 per cent (2) 3 to 4 per cent (3) 4 to 5 per cent (4) 5 to 6 per cent

Last Answer :  3 to 4 per cent

Amount of water vapour in the atmosphere is measured in terms of (1) Humidity (2) Droplets (3) Smog (4) All of the above

Description : Amount of water vapour in the atmosphere is measured in terms of (1) Humidity (2) Droplets (3) Smog (4) All of the above

Last Answer : Humidity

Relative humidity is the ratio of actual vapour pressure to the saturation vapour pressure (A) At the same temperature (B) At the same pressure (C) In the same volume (D) In the atmosphere

Description : Relative humidity is the ratio of actual vapour pressure to the saturation vapour pressure (A) At the same temperature (B) At the same pressure (C) In the same volume (D) In the atmosphere

Last Answer : Answer: Option A

Soil water which moves mostly in Vapour form is — a. Field capacity water b. Capillary water c. Gravitational water d. Hygroscopic water

Description : Soil water which moves mostly in Vapour form is — a. Field capacity water b. Capillary water c. Gravitational water d. Hygroscopic water

Last Answer : d. Hygroscopic water

Reducing suction pressure in refrigeration cycle (a) lowers evaporation temperature (b) increases power required per ton of refrigeration (c) lowers compressor capacity because vapour is lighter (d) all of the above.

Description : Reducing suction pressure in refrigeration cycle (a) lowers evaporation temperature (b) increases power required per ton of refrigeration (c) lowers compressor capacity because vapour is lighter (d) all of the above.

Last Answer : Ans: d

At a fixed total pressure, humidity depends only on the (A) Partial pressure of vapour in the mixture (B) Heat capacity of the vapour (C) Density of the vapour (D) None of these

Description : At a fixed total pressure, humidity depends only on the (A) Partial pressure of vapour in the mixture (B) Heat capacity of the vapour (C) Density of the vapour (D) None of these

Last Answer : (A) Partial pressure of vapour in the mixture

Water separometer index (modified) (WSIM) of a petrofuel is the measure of its (A) Emulsification tendency (B) Water separation characteristics (C) Water content (D) Water absorbing capacity from atmosphere

Description : Water separometer index (modified) (WSIM) of a petrofuel is the measure of its (A) Emulsification tendency (B) Water separation characteristics (C) Water content (D) Water absorbing capacity from atmosphere

Last Answer : (B) Water separation characteristics

What happens when water is cooled from 8°C to 0°C? 1. Its volume decreases uniformly, becoming minimum at 0°C. 2. Its density increases uniformly, attaining maximum value at 0°C. 3. Its volume decreases up to 4°C and then increases 4. Its density increases up to 4°C and then decreases. Which of the above answers is/are correct? (a) Only 1 (b) Only 2 (c) 3 and 4 (d) 1 and 2

Description : What happens when water is cooled from 8°C to 0°C? 1. Its volume decreases uniformly, becoming minimum at 0°C. 2. Its density increases uniformly, attaining maximum value at 0°C. 3. Its volume decreases up to 4°C and then increases ... is/are correct? (a) Only 1 (b) Only 2 (c) 3 and 4 (d) 1 and 2

Last Answer : Ans:(c)

How many Btus of heat are removed per hour when the water at a flow rate of 10 pounds per minute is cooled 15 degrees Fahrenheit (Water weighs 8.33 pounds per gallon)?

Description : How many Btus of heat are removed per hour when the water at a flow rate of 10 pounds per minute is cooled 15 degrees Fahrenheit (Water weighs 8.33 pounds per gallon)?

Last Answer : Feel Free to Answer

What happen to a given mass of water as it is cooled from 4° to 0°?

Description : What happen to a given mass of water as it is cooled from 4° to 0°?

Last Answer : Expands

The reason for Rajasthan being deficient in rainfall is: (a) the monsoon fail to reach this area (b) it is too hot (c) there is no water available and thus the winds remain dry (d) the winds do not come across any barrier to cause necessary uplift to be cooled

Description : The reason for Rajasthan being deficient in rainfall is: (a) the monsoon fail to reach this area (b) it is too hot (c) there is no water available and thus the winds remain dry (d) the winds do not come across any barrier to cause necessary uplift to be cooled

Last Answer : Ans: (d)

Air can be cooled and dehumidified by A. circulating chilled water in tube across air flow B. placing evaporator coil across air flow C. spraying chilled water to air D. all of the mentioned

Description : Air can be cooled and dehumidified by A. circulating chilled water in tube across air flow B. placing evaporator coil across air flow C. spraying chilled water to air D. all of the mentioned

Last Answer : ANSWER : D

Which of the following statements concerning the specific gravity of a battery electrolyte is true? A. The electrolyte becomes less dense when it is cooled. B. The specific gravity reading is lowered when the electrolyte is heated. C. The most accurate hydrometer reading is obtained immediately after water is added. D. The temperature does not affect the specific gravity of the electrolyte.

Description : Which of the following statements concerning the specific gravity of a battery electrolyte is true? A. The electrolyte becomes less dense when it is cooled. B. The specific gravity reading is lowered ... water is added. D. The temperature does not affect the specific gravity of the electrolyte.

Last Answer : Answer: B

Nuclear power reactor located at Tarapur is of __________ type. (A) Fast breeder (B) Pressurised water (C) Boiling water (D) Gas cooled

Description : Nuclear power reactor located at Tarapur is of __________ type. (A) Fast breeder (B) Pressurised water (C) Boiling water (D) Gas cooled

Last Answer : (C) Boiling water

Secondary cooling circuit is a must in molten sodium cooled fast breeder reactor for (A) Achieving high degree of superheat in the steam (B) Faster heat removal rate from the core(C) Lowering the coolant circulation pressure(D) Avoiding the mixing of water with radioactive sodium, as it may causeexplosion

Description : Secondary cooling circuit is a must in molten sodium cooled fast breeder reactor for (A) Achieving high degree of superheat in the steam (B) Faster heat removal rate from the core (C) ... circulation pressure (D) Avoiding the mixing of water with radioactive sodium, as it may cause explosion

Last Answer : (D) Avoiding the mixing of water with radioactive sodium, as it may cause explosion

_________ nuclear reactor does not require a heat exchanger tosupply steam to power turbine.(A) Molten sodium cooled(B) Helium cooled(C) Boiling water(D) Pressurised water

Description : _________ nuclear reactor does not require a heat exchanger tosupply steam to power turbine. (A) Molten sodium cooled (B) Helium cooled (C) Boiling water (D) Pressurised water

Last Answer : (C) Boiling water

Candu reactor is a __________ nuclear reactor. (A) Natural uranium fuelled heavy water cooled & moderated (B) Highly enriched uranium (85% U-235) fuelled (C) Homogeneous (D) Fast breeder

Description : Candu reactor is a __________ nuclear reactor. (A) Natural uranium fuelled heavy water cooled & moderated (B) Highly enriched uranium (85% U-235) fuelled (C) Homogeneous (D) Fast breeder

Last Answer : (A) Natural uranium fuelled heavy water cooled & moderated

Heavy water is used as a moderator in a (A) Pressurised water reactor (PWR) (B) Boiling water reactor (BWR) (C) Candu reactor (D) Molten sodium cooled reactor

Description : Heavy water is used as a moderator in a (A) Pressurised water reactor (PWR) (B) Boiling water reactor (BWR) (C) Candu reactor (D) Molten sodium cooled reactor

Last Answer : (C) Candu reactor

Which of the following types of nuclear reactors is most prone to radioactive hazards? (A) Pressurised water reactor (B) Gas cooled reactor (C) Molten sodium cooled reactor (D) Boiling water reactor

Description : Which of the following types of nuclear reactors is most prone to radioactive hazards? (A) Pressurised water reactor (B) Gas cooled reactor (C) Molten sodium cooled reactor (D) Boiling water reactor

Last Answer : (D) Boiling water reactor

Which of the following nuclear reactors is the most efficient thermodynamically while operating between the same temperature and pressure limits of the reactor? (A) Molten sodium cooled (B) CO2 gas cooled (C) Pressurised water (D) Boiling water

Description : Which of the following nuclear reactors is the most efficient thermodynamically while operating between the same temperature and pressure limits of the reactor? (A) Molten sodium cooled (B) CO2 gas cooled (C) Pressurised water (D) Boiling water

Last Answer : (D) Boiling water

Net efficiency of ordinary light water cooled nuclear reactor is about __________ percent. (A) 32 (B) 52 (C) 72 (D) 88

Description : Net efficiency of ordinary light water cooled nuclear reactor is about __________ percent. (A) 32 (B) 52 (C) 72 (D) 88

Last Answer : (A) 32

Coolant present in the primary circuit of a pressurised water reactor is high pressure (A) Sub cooled water (B) Saturated water (C) Superheated steam (D) Saturated steam

Description : Coolant present in the primary circuit of a pressurised water reactor is high pressure (A) Sub cooled water (B) Saturated water (C) Superheated steam (D) Saturated steam

Last Answer : (B) Saturated wate

The term "cooling range" in a cooling tower refers to the difference in the temperature of (A) Cold water leaving the tower and the wet bulb temperature of the surrounding air(B) Hot water entering the tower and the wet bulb temperature of thesurrounding air(C) Hot water entering the tower and the cooled water leaving the tower(D) None of these

Description : The term "cooling range" in a cooling tower refers to the difference in the temperature of (A) Cold water leaving the tower and the wet bulb temperature of the surrounding air (B) Hot water entering the ... air (C) Hot water entering the tower and the cooled water leaving the tower (D) None of these

Last Answer : (C) Hot water entering the tower and the cooled water leaving the tower

1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is: (A) 0.4 (B) 0.25 (C) 0.2 (D) 0.175

Description : 1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is: (A) 0.4 (B) 0.25 (C) 0.2 (D) 0.175

Last Answer : (C) 0.2