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________________?

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The unit of energy in S.I. units is________________?

A. watt B. joule C. joule/s D. joule/m E. joule m....

According to which law, all perfect gases change in volume by l/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant ____________________?

A. Joule’s law B. Boyle’s law C. Regnault’s law D. Gay-Lussac law E. Charles’ law...

Total heat of a substance is also known as __________________?

A. internal energy B. entropy C. thermal capacity D. enthalpy E. thermal conductance...

Kelvin Planck’s law deals with___________________?

A. conservation of heat B. conservation of work C. conversion of heat into work D. conversion fo work into heat E. conservation of mass...

Carnot cycle has maximum efficiency for__________________?

A. reversible engine B. irreversible engine C. new engine D. petrol engine E. diesel engine...