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.Management Sciences
Category: Thermodynamics
Which of the following cycles is not a reversible cycle_____________________?
A. Carnot
B. Ericsson
C. Stirling
D. Joule
E. none of the above
No liquid can exist as liquid at____________________?
A. – 273 °K
B. vacuum
C. zero pressure
D. centre of earth
E. in space
Thermal power plant works on______________?
A. Carnot cycle
B. Joule cycle
C. Rankine cycle
D. Otto cycle
E. Brayton cycle
Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure___________________?
A. enthalpy
B. volume
C. mass
D. entropy
E. specific volume
For which of the following substances, the gas laws can be used with minimum error_________________?
A. dry steam
B. wet steam
C. saturated steam
D. superheated steam
E. steam at atmospheric pressure
Zeroth law of thermodynamics________________?
A. deals with conversion of mass and energy
B. deals with reversibility and irreversibility of process
C. states that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other
D. deals with heat engines
E. does not exist
Which of the following variables controls the physical properties of a perfect gas_________________?
A. pressure
B. temperature
C. volume
D. all of the above
E. atomic mass
The term N.T.P. stands for________________________?
A. nominal temperature and pressure
B. natural temperature and pressure
C. normal temperature and pressure
D. normal thermodynamic practice
E. normal thermodynamic pressure
The unit of pressure in S.I. units is____________________?
A. kg/cm2
B. mm of water column
C. pascal
D. dynes per square cm
E. bars
In a free expansion process___________________?
A. work done is zero
B. heat transfer is zero
C. both A. and B. above
D. work done is zero but heat increases
E. work done is zero but heat decreases
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