A system is said to be isopiestic, if there is no __________ change. (A) Temperature (B) Pressure (C) Volume (D) None of these

A system is said to be isopiestic, if there is no __________ change.
(A) Temperature
(B) Pressure
(C) Volume
(D) None of these
by

1 Answer

Answer :

(B) Pressure
by

Related questions

Isopiestic lines are the contours (A) Drawn to represent water table (B) Drawn to represent piezometric heads (C) Drawn to piezometric surface (D) None of these

Description : Isopiestic lines are the contours (A) Drawn to represent water table (B) Drawn to represent piezometric heads (C) Drawn to piezometric surface (D) None of these

Last Answer : Answer: Option C

The work done in an adiabatic change in a particular gas depends upon changes in the __________ only. (A) Temperature (B) Specific heat (C) Volume (D) Pressure

Description : The work done in an adiabatic change in a particular gas depends upon changes in the __________ only. (A) Temperature (B) Specific heat (C) Volume (D) Pressure

Last Answer : (A) Temperature

There is a change in __________ during the phase transition. (A) Volume (B) Pressure (C) Temperature (D) All a, b & c

Description : There is a change in __________ during the phase transition. (A) Volume (B) Pressure (C) Temperature (D) All a, b & c

Last Answer : (A) Volume

Extensive properties of a thermodynamic system depend upon the __________ of the system. (A) Specific volume (B) Temperature (C) Mass (D) Pressure

Description : Extensive properties of a thermodynamic system depend upon the __________ of the system. (A) Specific volume (B) Temperature (C) Mass (D) Pressure

Last Answer : (C) Mass

If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c. (A) 100 (B) 50 (C) 205 (D) 200

Description : If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c. (A) 100 (B) 50 (C) 205 (D) 200

Last Answer : (D) 200

. During the phase transition, __________ changes. (A) Pressure (B) Volume (C) Temperature (D) All (A), (B) and (C)

Description : . During the phase transition, __________ changes. (A) Pressure (B) Volume (C) Temperature (D) All (A), (B) and (C)

Last Answer : (B) Volume

Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the temperature should be raised to __________ °C. (A) 270 (B) 327 (C) 300 (D) 540

Description : Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the temperature should be raised to __________ °C. (A) 270 (B) 327 (C) 300 (D) 540

Last Answer : (B) 327

For an ideal gas, the internal energy depends upon its __________ only. (A) Molecular size (B) Temperature (C) Volume (D) Pressure

Description : For an ideal gas, the internal energy depends upon its __________ only. (A) Molecular size (B) Temperature (C) Volume (D) Pressure

Last Answer : (B) Temperature

The internal energy of an ideal gas is a function of its __________ only. (A) Molecular size (B) Volume (C) Pressure (D) Temperature

Description : The internal energy of an ideal gas is a function of its __________ only. (A) Molecular size (B) Volume (C) Pressure (D) Temperature

Last Answer : (D) Temperature

At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure. (A) Increases (B) Decreases (C) Remains unchanged (D) May increase or decrease; depends on the gas

Description : At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure. (A) Increases (B) Decreases (C) Remains unchanged (D) May increase or decrease; depends on the gas

Last Answer : C) Remains unchanged

Gas turbine normally employs a constant __________ cycle. (A) Pressure (B) Temperature (C) Volume (D) None of these

Description : Gas turbine normally employs a constant __________ cycle. (A) Pressure (B) Temperature (C) Volume (D) None of these

Last Answer : (A) Pressure

Circulation of gases in furnace is caused by the (A) Change in volume during a change of temperature (B) Difference in density between hot and cold gases (C) Furnace pressure in conjunction with draft in flues(D) All (A), (B) and (C

Description : Circulation of gases in furnace is caused by the (A) Change in volume during a change of temperature (B) Difference in density between hot and cold gases (C) Furnace pressure in conjunction with draft in flues (D) All (A), (B) and (C

Last Answer : (D) All (A), (B) and (C

The expression, ∆G = nRT. ln(P2/P1), gives the free energy change (A) With pressure changes at constant temperature (B) Under reversible isothermal volume change (C) During heating of an ideal gas (D) During cooling of an ideal gas

Description : The expression, ∆G = nRT. ln(P2/P1), gives the free energy change (A) With pressure changes at constant temperature (B) Under reversible isothermal volume change (C) During heating of an ideal gas (D) During cooling of an ideal gas

Last Answer : (A) With pressure changes at constant temperature

Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant  (a) pressure  (b) temperature  (c) volume  (d) internal energy  (e) entropy.

Description : Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant  (a) pressure  (b) temperature  (c) volume  (d) internal energy  (e) entropy.

Last Answer : Answer : c

Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant  (a) pressure  (b) temperature  (c) volume  (d) internal energy  (e) entropy.

Description : Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant  (a) pressure  (b) temperature  (c) volume  (d) internal energy  (e) entropy.

Last Answer : Answer : a

Change in enthalpy of a system is the heat supplied at  (a) constant pressure  (b) constant temperature  (c) constant volume  (d) constant entropy  (e) N.T.P. condition.

Description : Change in enthalpy of a system is the heat supplied at  (a) constant pressure  (b) constant temperature  (c) constant volume  (d) constant entropy  (e) N.T.P. condition.

Last Answer : Answer : a

At absolute zero temperature, the __________ of the gas is zero. (A) Pressure (B) Volume (C) Mass (D) None of these

Description : At absolute zero temperature, the __________ of the gas is zero. (A) Pressure (B) Volume (C) Mass (D) None of these

Last Answer : (B) Volume

Mollier chart is a __________ plot. (A) Pressure vs. enthalpy (B) Pressure vs. volume (C) Enthalpy vs. entropy (D) Temperature vs. entropy

Description : Mollier chart is a __________ plot. (A) Pressure vs. enthalpy (B) Pressure vs. volume (C) Enthalpy vs. entropy (D) Temperature vs. entropy

Last Answer : (C) Enthalpy vs. entropy

According to Gay-Lussac law, the absolute pressure of a given mass of a perfect gas varies __________ as its absolute temperature, when the volume remains constant.  A. directly  B. indirectly

Description : According to Gay-Lussac law, the absolute pressure of a given mass of a perfect gas varies __________ as its absolute temperature, when the volume remains constant.  A. directly  B. indirectly

Last Answer : Answer: A

Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called __________ solutions. (A) Ideal (B) Real (C) Isotonic (D) None of these

Description : Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called __________ solutions. (A) Ideal (B) Real (C) Isotonic (D) None of these

Last Answer : (A) Ideal

In ammonia synthesis (N2 + 3H2 = 2NH3 ), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should becarried out at(A) Low pressure(B) High pressure(C) Very high temperature(D) Atmospheric pressure; as the pressure has no effect on conversion

Description : In ammonia synthesis (N2 + 3H2 = 2NH3 ), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should becarried out at (A) Low pressure (B) High pressure (C) Very high temperature (D) Atmospheric pressure; as the pressure has no effect on conversion

Last Answer : (B) High pressure

If a soil undergoes a change in shape and volume by application of external loads over it, but recovers its shape and volume immediately after removal of the load, the property of the soil is said to be (A) Resilience of soils (B) Elasticity of soils (C) Compressibility of soils (D) None of these

Description : If a soil undergoes a change in shape and volume by application of external loads over it, but recovers its shape and volume immediately after removal of the load, the property of the soil is said to ... Resilience of soils (B) Elasticity of soils (C) Compressibility of soils (D) None of these

Last Answer : Answer: Option B

Which of the following statement is correct? (A) In a compressible flow, the volume of the flowing liquid changes during the flow (B) A flow, in which the volume of the flowing liquid does not change, is called incompressible flow (C) When the particles rotate about their own axes while flowing, the flow is said to be rotational flow (D) All of the above

Description : Which of the following statement is correct? (A) In a compressible flow, the volume of the flowing liquid changes during the flow (B) A flow, in which the volume of the flowing liquid does not change, ... their own axes while flowing, the flow is said to be rotational flow (D) All of the above

Last Answer : Answer: Option D

In the gaseous phase ammonia formation reaction (N2 + 3H2 ⇌ 2NH3 ), the value of the equilibrium constant depends on the (A) Total pressure of the system (B) Volume of the reactor (C) Temperature (D) Initial concentration of N2 and H2

Description : In the gaseous phase ammonia formation reaction (N2 + 3H2 ⇌ 2NH3 ), the value of the equilibrium constant depends on the (A) Total pressure of the system (B) Volume of the reactor (C) Temperature (D) Initial concentration of N2 and H2

Last Answer : (C) Temperature

o work is done by the system, when a reaction occurs at constant (A) Volume (B) Temperature (C) Pressure (D) None of these

Description : o work is done by the system, when a reaction occurs at constant (A) Volume (B) Temperature (C) Pressure (D) None of these

Last Answer : (A) Volume

What ideal gas is stored in a container at constant volume. If the temperature (T) were increased to 3T what would be the change in pressure (P)?

Description : What ideal gas is stored in a container at constant volume. If the temperature (T) were increased to 3T what would be the change in pressure (P)?

Last Answer : Feel Free to Answer

Speed of sound in air is unaffected by change in : (1) Pressure (2) Humidity (3) Temperature (4) Volume

Description : Speed of sound in air is unaffected by change in : (1) Pressure (2) Humidity (3) Temperature (4) Volume

Last Answer : (1) Pressure Explanation: The speed of sound in air depends on the density of air and the density of air depends on the temperature. The speed of sound is unaffected by pressure. If the atmospheric pressure changes, the speed of sound in air remains constant.

Liquids (A) Cannot be compressed (B) Occupy definite volume (C) Are not affected by change in pressure and temperature (D) None of the above

Description : Liquids (A) Cannot be compressed (B) Occupy definite volume (C) Are not affected by change in pressure and temperature (D) None of the above

Last Answer : Answer: Option D

“If the temperature o f a fixed quantity of a gas is held constant during a change of state, the volume varies inversely with the absolute pressure.  a. Charle’s Law  b. Boyle’s Law  c. Dalton’s Law  d. Amagat’s Law

Description : “If the temperature o f a fixed quantity of a gas is held constant during a change of state, the volume varies inversely with the absolute pressure.  a. Charle’s Law  b. Boyle’s Law  c. Dalton’s Law  d. Amagat’s Law

Last Answer : Boyle’s Law

Entropy change depends on  (a) heat transfer  (b) mass transfer  (c) change of temperature  (d) thermodynamic state  (e) change of pressure and volume.

Description : Entropy change depends on  (a) heat transfer  (b) mass transfer  (c) change of temperature  (d) thermodynamic state  (e) change of pressure and volume.

Last Answer : Answer : a

According to which law, all perfect gases change in volume by l/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant  (a) Joule’s law  (b) Boyle’s law  (c) Regnault’s law  (d) Gay-Lussac law  (e) Charles’ law.

Description : According to which law, all perfect gases change in volume by l/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant  (a) Joule’s law  (b) Boyle’s law  (c) Regnault’s law  (d) Gay-Lussac law  (e) Charles’ law.

Last Answer : Answer : e

If the pressure of a gas is increased by a factor of 4, and the temperature is kept constant, the volume of the gas will change by which of the following factors? w) 4 x) 2 y) 1/2 z) 1/4

Description : If the pressure of a gas is increased by a factor of 4, and the temperature is kept constant, the volume of the gas will change by which of the following factors? w) 4 x) 2 y) 1/2 z) 1/4

Last Answer : ANSWER: Z -- 1/4

If the volume of a gas changes by a factor of 3, with pressure remaining constant, the temperature in Kelvin will change by a factor of: w) 1/9 x) 1/3 y) 3 z) 9

Description : If the volume of a gas changes by a factor of 3, with pressure remaining constant, the temperature in Kelvin will change by a factor of: w) 1/9 x) 1/3 y) 3 z) 9

Last Answer : ANSWER: Y -- 3

Speed of sound in air is unaffected by change in : (1) Pressure (2) Humidity (3) Temperature (4) Volume

Description : Speed of sound in air is unaffected by change in : (1) Pressure (2) Humidity (3) Temperature (4) Volume

Last Answer : Pressure

The expression for entropy change, ΔS = n Cp. ln (T2/T1), is valid for the __________ of a substance. (A) Simultaneous pressure & temperature change (B) Heating (C) Cooling (D) Both (B) and (C)

Description : The expression for entropy change, ΔS = n Cp. ln (T2/T1), is valid for the __________ of a substance. (A) Simultaneous pressure & temperature change (B) Heating (C) Cooling (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

Specific __________ does not change during phase change at constant temperature and pressure. (A) Entropy (B) Gibbs energy (C) Internal energy (D) Enthalpy

Description : Specific __________ does not change during phase change at constant temperature and pressure. (A) Entropy (B) Gibbs energy (C) Internal energy (D) Enthalpy

Last Answer : (B) Gibbs energy

In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about __________ percent. (A) 0.25 (B) 0.5 (C) 0.75 (D) 1

Description : In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about __________ percent. (A) 0.25 (B) 0.5 (C) 0.75 (D) 1

Last Answer : (B) 0.5

Which of the following diagramInternal energy is equal to the heat absorbed in case of a/an __________ process. (A) Constant volume (B) Polytropic (C) Adiabatic (D) Constant pressure s does not represent an Otto cycle?

Description : Which of the following diagrams does not represent an Otto cyInternal energy is equal to the heat absorbed in case of a/an __________ process. (A) Constant volume (B) Polytropic (C) Adiabatic (D) Constant pressure cle?

Last Answer : (A) Constant volume

A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will be __________ c.c. (A) 2.73 (B) 28.3 (C) 273 (D) 283

Description : A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will be __________ c.c. (A) 2.73 (B) 28.3 (C) 273 (D) 283

Last Answer : (B) 28.3

Carnot cycle is also termed as the constant __________ cycle in thermodynamics. (A) Entropy (B) Pressure (C) Volume (D) Heat

Description : Carnot cycle is also termed as the constant __________ cycle in thermodynamics. (A) Entropy (B) Pressure (C) Volume (D) Heat

Last Answer : Option D

Humid volume, at a given temperature is a/an __________ function of humidity. (A) Inverse (B) Exponential (C) Linear (D) Logarithmic

Description : Humid volume, at a given temperature is a/an __________ function of humidity. (A) Inverse (B) Exponential (C) Linear (D) Logarithmic

Last Answer : (C) Linear

Furnace aerodynamics is related to the __________ in the furnace. (A) Movement of gases (B) Measurement of flue gas volume (C) Temperature control

Description : Furnace aerodynamics is related to the __________ in the furnace. (A) Movement of gases (B) Measurement of flue gas volume (C) Temperature control

Last Answer : (A) Movement of gases

Volume change for unimolecular type first order reaction as shown in the bellow figure, increases __________ with time. (A) Linearly (B) Exponentially (C) Parabolically (D) Logarithmically

Description : Volume change for unimolecular type first order reaction as shown in the bellow figure, increases __________ with time. (A) Linearly (B) Exponentially (C) Parabolically (D) Logarithmically

Last Answer : (B) Exponentially

Speed of sound in an ideal gas depends on its (A) Temperature (B) Pressure (C) Specific volume (D) None of these

Description : Speed of sound in an ideal gas depends on its (A) Temperature (B) Pressure (C) Specific volume (D) None of these

Last Answer : (A) Temperature

If helium is introduced in a reactor containing O2 , SO2 and SO3 at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO3 (as per Le Chatelier's principle). (A) Decreases (B) Increases (C) Remains unaltered (D) Changes unpredictably

Description : If helium is introduced in a reactor containing O2 , SO2 and SO3 at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO3 ( ... 's principle). (A) Decreases (B) Increases (C) Remains unaltered (D) Changes unpredictably

Last Answer : (A) Decreases

Which of the following fixes the volume of a batch reactor for a particular conversion and production rate? (A) Operating conditions (e.g. pressure and temperature) (B) Rate constant (C) Density of mixture (D) None of these

Description : Which of the following fixes the volume of a batch reactor for a particular conversion and production rate? (A) Operating conditions (e.g. pressure and temperature) (B) Rate constant (C) Density of mixture (D) None of these

Last Answer : (C) Density of mixture

Equation which relates pressure, volume and temperature of a gas is called the (A) Equation of state (B) Gibbs Duhem equation (C) Ideal gas equation (D) None of these

Description : Equation which relates pressure, volume and temperature of a gas is called the (A) Equation of state (B) Gibbs Duhem equation (C) Ideal gas equation (D) None of these

Last Answer : (A) Equation of state

Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are (A) Always greater than one (B) Same at the same reduced temperature (C) Same at the same reduced pressure (D) Both (B) & (C)

Description : Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are (A) Always greater than one (B) Same at the same reduced temperature (C) Same at the same reduced pressure (D) Both (B) & (C)

Last Answer : (D) Both (B) & (C)

Clausius-Clapeyron Equation gives accurate result, when the (A) Vapour pressure is relatively low and the temperature does not vary over wide limits (B) Vapour obeys the ideal gas law and the latent heat of vaporisation is constant (C) Volume in the liquid state is negligible compared with that in the vapour state (D) All (A), (B) and (C)

Description : Clausius-Clapeyron Equation gives accurate result, when the (A) Vapour pressure is relatively low and the temperature does not vary over wide limits (B) Vapour obeys the ideal gas law and the latent heat of ... is negligible compared with that in the vapour state (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant Cv ), depends upon its (A) Pressure (B) Volume (C) Temperature (D) All (A), (B) & (C)

Description : The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant Cv ), depends upon its (A) Pressure (B) Volume (C) Temperature (D) All (A), (B) & (C)

Last Answer : (C) Temperature