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.Management Sciences
Category: Thermodynamics
Compressed air coming out from a punctured football___________________?
A. becomes hotter
B. becomes cooler1
C. remains at the same temperature
D. may become hotter or cooler depend-ing upon the humidity of the surround¬ing air
E. attains atmospheric temperature
The basis for measuring thermodynamic property of temperature is given by___________________?
A. zeroth law of thermodynamics
B. first law of thermodynamics
C. second law of thermodynamics
D. third law of thermodynamics
E. Avogadro’s hypothesis
The first law of thermodynamics is the law of_________________?
A. conservation of mass
B. conservation of energy
C. conservation of momentum
D. conservation of heat
E. conservation of temperature
If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called___________________?
A. free expansion
B. hyperbolic expansion
C. adiabatic expansion
D. parabolic expansion
E. throttling
First law of thermodynamics___________________?
A. enables to determine change in internal energy of the system
B. does not help to predict whether the system will or not undergo a change
C. does not enable to determine change in entropy
D. provides relationship between heat, work and internal energy
E. all of the above
A diathermic wall is one which____________________?
A. prevents thermal interaction
B. permits thermal interaction
C. encourages thermal interaction
D. discourages thermal interaction
E. does not exist
The value of n = 1 in the poly tropic process indicates it to be __________________?
A. reversible process
B. isothermal process
C. adiabatic process
D. irreversible process
E. free expansion process
The unit of temperature in S.I. units is _________________?
A. Centigrade
B. Celsius
C. Fahrenheit
D. Kelvin
E. Rankine
An ideal gas as compared to a real gas at very high pressure occupies_________________?
A. more volume
B. less volume
C. same volume
D. unpredictable behaviour
E. no such correlation
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