Mechanical Engineering Questions And Answers :: Thermodynamics: part5



Mechanical Engineering : Thermodynamics QUESTIONS AND ANSWERS :: part5 : 11 to 15

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

11.An adiabatic wall is one which

prevents thermal interaction
permits thermal interaction
encourages thermal interaction
discourages thermal interaction
dos not exist.

12.Compressed air coming out from a punctured football

becomes hotter
becomes cooler1
remains at the same temperature
may become hotter or cooler depending upon the humidity of the surround�ing air
attains atmospheric temperature.

13.In a Carnot cycle, heat is transferred at

constant pressure
constant volume
constant temperature
constant enthalpy
any one of the above.

14.An engine operates between temperatures of 900�Kandr2 and another engine between T2 and 400�K For both to do equal work, value of T2 will be

650�K
600�K
625�K
700�K
750�K.

15.An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is

feasible
impossible
possible
possible, but with lot of sophistication
desirable.

More Thermodynamics QUESTIONS AND ANSWERS available in next pages

    Health is the greatest gift, contentment is the greatest wealth -Buddha
Opportunity is missed by most people because it is dressed in overalls and looks like work.- Thomas Edison