Thermodynamics Test Questions

Q.  What is the relation between net energy transferred to unit mass of the working fluid as heat in the power cycle and net energy transfer as work from the working fluid in the same power cycle, if the cycle works ideally?

a. net energy transferred to unit mass of the working fluid as heat in the power cycle is greater than net energy transfer as work from the working fluid
b. net energy transferred to unit mass of the working fluid as heat in the power cycle is less than net energy transfer as work from the working fluid in
c. net energy transferred to unit mass of the working fluid as heat in the power cycle is equal to net energy transfer as work from the working fluid in
d. cannot say


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Which among the following are the examples of mechanical energy reservoir? (1) Furnace where fuel is continuously burning (2) Raised weight (3) Flywheel in running condition (4) Compressed spring
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  In the heat engine cycle
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  It is impossible to produce a heat engine, whose sole effect is to absorb energy in the form of heat from a heat source and produce an equal amount of work. This statement is
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  If a heat engine produces net work output by exchanging heat with only one reservoir, then the heat engine will be,
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which type of function the entropy is?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The entropy is
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  How is the entropy change of any irreversible process estimated, when the process is connecting two equilibrium points A and B?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Isentropic (Entropy S=constant) process is also
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Carnot cycle contains two reversible adiabatic process and
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  What is the relation between the pressure change (dp) and volume change (dv), for all the real processes in nature containing pressure change (dp) as well as volume change (dv)?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  What is the dead state of the system?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  What is the exergy of a system when it is at dead state?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which in the examples is NOT a pure substance?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which is a state of a substance from which a phase change occurs without a change of pressure or temperature?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  What is the formula for number of kg moles (n) of a gas? If, m = mass of gas in kg. μ = molecular weight in kg / kg mole
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  What is the effect on temperature of an ideal gas, when it undergoes a Joule-Kelvin expansion?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Sometimes the pump work in vapour power cycle is neglected because
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  How is the capacity of vapour power plant expressed?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  What is heat rate in steam power plant?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  To maximize the work output at turbine, the specific volume of working fluid should be
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts