The process or systems that do not involve heat are called

Related MCQs

• Which one of the following processes or systems does not involve heat
• A heat engine is supplied with 250 kJ/s of heat at a constant fixed temperature of 227°C. The heat is rejected at 27°C. The cycle is reversible, if the amount of heat rejected is
• An inventor claims that a new heat cycle will develop 0.4 kW for a heat addition of 32.5 kJ/mm. The temperature of heat source is 1990 K & that of sink is 850K. Is his claim true?
• A TER which transfers heat to system is called          and one which receives heat is called          
• The unavailable energy is the product of the lowest temperature of heat rejection and the change of entropy of system during the process of supplying heat.
• A simple Rankine cycle produces 40 MW of power, 50 MW of process heat and rejects 60 MW of heat to the surroundings. What is the utilization factor of this co generation cycle neglecting the pump work?
• If a system undergoes a reversible isothermal process without transfer of heat, the temperature at which this process takes place is called
• The          obtainable from a certain heat input in a cyclic heat engine is called          
• a heat engine receives heat at the rate of 1500 kJ/min.& gives an output of 8.2 kW. Its thermal efficiency is equal to
• In a cyclic heat engine operating between a source temperature of 600°C & a sink temperature of 20°C, the least rate of heat rejection per kW net output of the engine is