A heat engine is involved with exchange of heat of 1915 J , - 40 J , + 125 J and -QJ , during one cycle achieving an efficiency of `50.0 `% The value of Q is:

Can a heat engine convert 10J of heat into 10J of work ? Justify

Efficiency of cyclic process is 50% if heat Q_1=1915J , Q_2= -40J , Q_3= 125J , then Q_4 is unknown then find the value of Q_4 .

A heat engine receives 50 kcal of heat from the source per cycle, and operates with an efficiency of 20% . The heat rejected by engine to the sink per cycle is

A carnot engine absorbs 2000J of heat from the source of heat engine at 227^(@)C and rejects 1200J of heat to the sink during each cycle. Calculate (i) Temp.of sink (ii) efficiency of engine (iii) amount of work done during each cycle.

500 joule of heat energy is supplied to a heat engine and 100 J of heat energy is dissipated due to friction and as sound energy, then the efficiency of the heat engine is ____

In a heat engine , the temperature of the source and sink are 500 K and 375 K . If the engine consumes 25 xx 10^5 J per cycle, find the efficiency of the engine.

Efficiency of cyclic process is 50% if heat Q_1=19J , Q_2=40J , Q_3=125J , then Q_4 is unknown then findthe value of Q_4 .

A carnot engine absorbs 1000J of heat energy from a reservoir at 127^(@)C and rejecs 600J of heat energy during each cycle. Calculate (i) efficiency of the engine, (ii) temperature of sink, (iii) amount of useful work done per cycle.

A carnot engine absorbs 1000J of heat energy from a reservoir at 127^(@)C and rejecs 600J of heat energy during each cycle. Calculate (i) efficiency of the engine, (ii) temperature of sink, (iii) amount of useful work done per cycle.

In a heat engine, the temperature of the source and sink are 500 K and 375 K. If the engine consumes 25xx10^5J per cycle, find(a) the efficiency of the engine, (b) work done per cycle, and (c) heat rejected to the sink per cycle.