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.Management Sciences
Category: Thermodynamics
If a system after undergoing a series of processes, returns to the initial state then__________________?
A. process is thermodynamically in equilibrium
B. process is executed in closed system cycle
C. its entropy will change due to irreversibility
D. sum of heat and work transfer will be zero
E. no work will be done by the system
To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is____________________?
A. divided by its molecular weight
B. multiplied by its molecular weight
C. multiplied by its density
D. multiplied by its specific weight
E. divided by its specific weight
Universal gas constant is defined as equal to product of the molecular weight of the gas and_______________?
A. specific heat at constant pressure
B. specific heat at constant volume
C. ratio of two specific heats
D. gas constant
E. unity.
The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as_________________?
A. Dual combustion cycle
B. Diesel cycle
C. Atkinson cycle
D. Rankine cycle
E. Stirling cycle
Measurement of temperature is based on_________________?
A. thermodynamic properties
B. zeroth law of thermodynamics
C. first law of thermodynamics
D. second law of thermodynamics
E. joule’s law
Which of the following items is not a path function ____________________?
A. heat
B. work
C. kinetic energy
D. vdp
E. thermal conductivity
An isolated system is one in which_____________________?
A. mass does not cross boundaries of the system, though energy may do so
B. neither mass nor energy crosses the boundaries of the system
C. both energy and mass cross the boundaries of the system
D. mass crosses the boundary but not the energy
E. thermodynamic reactions do not occur
Solids and liquids have___________________?
A. one value of specific heat (ft) two values of specific heat
C. three values of specific heat
D. no value of specific heat
E. one value under some conditions and two values under other conditions
An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is___________________?
A. feasible
B. impossible
C. possible
D. possible, but with lot of sophistications
E. desirable
Which of the following cycles is not a reversible cycle_____________________?
A. Carnot
B. Ericsson
C. Stirling
D. Joule
E. none of the above
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