Joule-Thomson co-efficient for a perfect gas is (A) Zero (B) Positive (C) Negative(D) None of these

Joule-Thomson co-efficient for a perfect gas is
(A) Zero
(B) Positive
(C) Negative
(D) None of these
by

1 Answer

Answer :

(A) Zero
by

Related questions

What is the value of Joule-Thomson co-efficient for an ideal gas? (A) +ve (B) -ve (C) 0 (D) ∞

Description : What is the value of Joule-Thomson co-efficient for an ideal gas? (A) +ve (B) -ve (C) 0 (D) ∞

Last Answer : (C) 0

Which one is true for a throttling process? (A) A gas may have more than one inversion temperatures (B) The inversion temperature is different for different gases (C) The inversion temperature is same for all gases (D) The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity

Description : Which one is true for a throttling process? (A) A gas may have more than one inversion temperatures (B) The inversion temperature is different for different gases (C) The inversion ... gases (D) The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity

Last Answer : (B) The inversion temperature is different for different gases

Joule-Thomson co-efficient is the ratio of (A) Pressure change to temperature change occuring during adiabatic compression of a gas (B) Pressure change to temperature change occuring during adiabatic throttling of a gas (C) Temperature change to pressure change occuring during adiabatic compression of a gas (D) Temperature change to pressure change occuring during adiabatic throttling of a gas

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Last Answer : (D) Temperature change to pressure change occuring during adiabatic throttling of a gas

The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is (A) ∞ (B) 1 (C) 0 (D) -ve

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Last Answer : (C) 0

(1/V) (∂V/∂T)Pis the mathematical expression (A) Joule-Thomson co-efficient (B) Specific heat at constant pressure (Cp) (C) co-efficient of thermal expansion (D) Specific heat at constant volume (CV)

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Last Answer : (C) co-efficient of thermal expansion

Joule-Thomson Co-efficient at any point on the inversion curve is (A) ∞ (B) +ve (C) 0 (D) -ve

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Last Answer : (C) 0

Joule-Thomson co-efficient depends on the (A) Pressure (B) Temperature (C) Both (A) & (B) (D) Neither (A) nor (B)

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

Joule-Thomson co-efficient which is defined as, η = (∂T/∂P)H = 1/Cp (∂H/∂T)P, changes sign at a temperature known as inversion temperature. The value of Joule-Thomson co-efficient at inversion temperature is (A) 0 (B) ∞ (C) +ve (D) -ve

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Last Answer : (A) 0

Joule-Thomson co-efficient is defined as (A) µ = (∂P/∂T)H (B) µ = (∂T/∂P)H (C) µ = (∂E/∂T)H (D) µ = (∂E/∂P)H

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Last Answer : (B) µ = (∂T/∂P)H

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Last Answer : (D) Adiabatic expansion against a piston or in a turbine

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Last Answer : (B) Adiabatic expansion through a throttle valve (Joule-Thomson expansion)

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In case of an ideal gas, Joule Thomson coefficient is -

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What is defined as the ratio of the change in temperature to the change in pressure when a real gas is throttled?  A. Rankine coefficient  B. Kelvin coefficient  C. Maxwell-Boltzmann coefficient  D. Joule-Thomson coefficient

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In a vapor-liquid contacting equipment, the overall gas phase mass transfer co-efficient (M.T.C), KG is related to individual co-efficients (KG and KL ) as (A) KG = 1/KG + m/KL (B) 1/KG = 1/KG + m/KL (C) 1/KG = 1/KL + m/KG (D) KG = 1/KL + m/KG

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The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc ) for the same system is(A) 100(B) 10(C) 5(D) 1.

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