A.Operating the machine at higher speeds
C.Raising the higher temperature
D.Lowering the higher temperature
E.None of the above
Related Mcqs:
- When the higher temperature is fixed, the COP of a refrigerating machine can be improved by
- In calm air the air temperature is -10o C, if the wind speed should increase to 30 knots (with no change in air temperature) the thermometer would indicate __________?
- Machine loading means
- The work ratio of closed cycle gas turbine plant with fixed top temperature of the cycle and fixed pressure ratio rp
- A machine that continuously creates its own energy is known as
- A refrigerating system operates on the reversed Carnot cycle. The higher temperature of the refrigerant in the system is 40?C and the lower is – 15?C. The capacity is to be 10 tons. Neglecting all losses, the coefficient of performance of the system would be
- A refrigerating machine working on Reversed Carnot cycle takes out 2 kW per minute of heat from the system while working between temperature limits of 300?K and 200?K. The C.O.P. and power consumed by the cycle will be
- Choose the correct statement in respect of die casting machine
- Vertical centrifugal castings as compared to horizontal centrifugal castings are spun at
- The efficiency of jet engine is higher at
