A heat engine works on a Carnot cycle with a heat sink at a temperature of 27?C. The efficiency of the engine is 10%, the temperature of the heat source is

Related MCQs

• The efficiency of a Carnot engine is given as 0.75. If the cycle direction is reversed, what will be the value of COP of reversed Carnot cycle
• The perfect heat engine works on the Carnot cycle between 1000?C and 200?C. The efficiency of the engine will be
• Other factors remaining constant, if the temperature of sink is increased, the efficiency of the Carnot engine will
• If the temperature of the sink is decreased, the efficiency of a Carnot engine
• The air standard efficiency of a turbine cycle is 57%. Which one of the following may be Carnot efficiency between the temperature limits of the cycle?
• Three Carnot engines A, B and C having source temperature of 750?K, 700?K and 650?K have sink temperatures respectively 400?k, 350?k and 300?k. Which engine is the least efficient?
• Rankine cycle efficiency for a power plant is 29.6%. The Carnot cycle efficiency will be
• In a Carnot engine, when the working substance gives heat to the sink
• A carnot cycle engine operating between temperature range of 50?C and 100?C will have the efficiency of nearly
• Other factors remaining constant, if the temperature of source is increased, the efficiency of Carnot engine will