First law of thermodynamics furnishes the relationship between______________________?

Byadmin January 26, 2019August 16, 2021

First law of thermodynamics furnishes the relationship between______________________?

A. heat and work
B. heat, work and properties of the system
C. various properties of the system
D. various thermodynamic processes
E. heat and internal energy

Thermodynamics

The unit’of universal gas constant is___________________?

The unit’of universal gas constant is___________________?

A. watts/°K
B. dynes/°C
C. ergscm/°K
D. erg/°K
E. none of the above

Read More The unit’of universal gas constant is___________________?
Thermodynamics

Extensive property of a system is one whose value______________________?

Extensive property of a system is one whose value______________________?

A. depends on the mass of the system like volume
B. does not depend on the mass of the system, like temperature, pressure, etc.
C. is not dependent on the path followed but on the state
D. is dependent on the path followed and not on the state
E. is always constant

Read More Extensive property of a system is one whose value______________________?
Thermodynamics

The specific heat of air increases with increase in __________________?

The specific heat of air increases with increase in __________________?

A. temperature
B. pressure
C. both pressure and temperature
D. variation of its constituents
E. air flow

Read More The specific heat of air increases with increase in __________________?
Thermodynamics

Which of the following processes are thermodynamically reversible___________________?

Which of the following processes are thermodynamically reversible___________________?

A. throttling
B. free expansion
C. constant volume and constant pressure
D. hyperbolic and pV = C
E. isothermal and adiabatic

Read More Which of the following processes are thermodynamically reversible___________________?
Thermodynamics

If value of n is infinitely large in a polytropic process pV” = C, then the process is known as constant_____________________?

If value of n is infinitely large in a polytropic process pV” = C, then the process is known as constant_____________________?

A. volume
B. pressure
C. temperature
D. enthalpy
E. entropy

Read More If value of n is infinitely large in a polytropic process pV” = C, then the process is known as constant_____________________?
Thermodynamics

The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that___________________?

The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that___________________?

A. carnot cycle can’t work with saturated steam
B. heat is supplied to water at temperature below the maximum temperature of the cycle
C. a rankine cycle receives heat at two places
D. rankine cycle is hypothetical
E. none of the above

Read More The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that___________________?

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