Thermodynamics Test Questions

Q.  Work done in a free expansion process is___________________?

a. + ve
b. -ve
c. zero
d. maximum
e. minimum


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Which of the following processes are thermodynamically reversible___________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  In order that a cycle be reversible, following must be satisfied ________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Minimum work in compressor is possible when the value of adiabatic index n is equal to_________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  A gas is compressed in a cylinder by a movable piston to a volume one-half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be___________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Entropy change depends on___________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Energy can neither be created nor destroyed but can be converted from one form to other is inferred from_________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Isochoric process is one in which___________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant_______________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Total heat of a substance is also known as __________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Addition of heat at constant pressure to a gas results in________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Measurement of temperature is based on_________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Carnot cycle efficiency is maximum when______________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly_________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is___________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  In a Carnot cycle, heat is transferred at_______________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  An adiabatic wall is one which__________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Compressed air coming out from a punctured football___________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  During throttling process___________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  A sudden fall in the barometer reading is a sign of approaching________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts