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.Management Sciences
Category: Thermodynamics for Chemical
Fugacity and pressure are numerically equal, when the gas is____________________?
0
A. In standard state
B. At high pressure
C. At low temperature
D. In ideal state
What happens in a reversible adiabatic expansion process ?
A. Heating takes place
B. Cooling takes place
C. Pressure is constant
D. Temperature is constant
Measurement of thermodynamic property of temperature is facilitated by ____________ law of thermodynamics?
A. 1st
B. Zeroth
C. 3rd
D. None of these
The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzmann‟s constant, T = absolute temperature) ?
A. √(2KT/m)
B. √(3KT/m)
C. √(6KT/m)
D. 3KT/m
Joule-Thomson Co-efficient at any point on the inversion curve is___________________?
A. ∞
B. +ve
C. 0
D. -ve
Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will_________________?
A. Increase
B. Decrease
C. Remain unchanged
D. First fall and then rise
In a reversible process__________________?
A. Tds = dE + dW
B. dE – dW = Tds
C. dW – dE = Tds
D. Tds – dW + dE >0
Helmholtz free energy A. is defined as____________________?
A. A = H – TS
B. A = E – TS
C. A = H + TS
D. None of these
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