Work done by a system is taken to be

Related MCQs

• Work done on a system is taken to be
• In which of the following processes the external work done is not zero?
• The temperature in a process in which work is done by expanding a gas under adiabatic condition will
• In which of the following processes the change in internal energy of a gas is equal to the work done
• Work done in a quasi-static process
• Correlate the following statements i) the volume of water into which steam is condensed in condenser is very much smaller than the volume of steam before condensation ii) the net work of a Rankine cycle is heat supplied in boiler - heat rejected to condenser - pump work
• A Rankine cycle has efficiency of 19.4%. The steam enters the turbine with enthalpy of 32.85 kJ/Kg while heat of water entering the boiler is 423.6 kJ/Kg.the work of the turbine is 560 kJ/ Kg. the pump work is
• A Carnot cycle operates between source & sink temperatures of 250°C & - 15°C. If the system receives 90kJ from the source then the net work transfer equals
• Absolute zero temperature is taken as
• Why is the steam not allowed to expand deep into the two phase region before it is taken to reheating?