Search
.Management Sciences
Category: Thermodynamics
One barometric pressure or 1 atmospheric pressure is equal to___________________?
A. 1 kgf/cnr2
B. 1.033 kgf/cm2
C. 0 kgf/cm2
D. 1.0197 kgf/cm2
E. 100 kgf/cm2
In an isothermal process, the internal energy of gas molecules________________?
A. increases
B. decreases
C. remains constant
D. may increase/decrease depending on the properties of gas
E. shows unpredictable behaviour
Gases have___________________?
A. only one value of specific heat
B. two values of specific heat
C. three values of specific heat
D. no value of specific heat
E. under some conditions one value and sometimes two values of specific heat
The unit of mass in S.I. units is ____________________?
A. kilogram
B. gram
C. tonne
D. quintal
E. newton
A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is________________?
A. 54°C
B. 327°C
C. 108°C
D. 654°C
E. 600°C
On volume basis, air contains following parts of oxygen _____________________?
A. 21
B. 23
C. 25
D. 77
E. 79
If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to__________________?
A. + v
B. – ve
C. zero
D. pressure x volume
E. any where between zero and infinity
Carnot cycle efficiency depends upon________________?
A. properties of the medium/substance used
B. condition of engine
C. working condition
D. temperature range of operation
E. effectiveness of insulating material around the engine
Barometric pressure is equal to_____________________?
A. 760 mm Hg
B. zero mm Hg
C. 735.6 mm Hg
D. 1 mm Hg
E. 100mm Hg
Recent Comments