For how many degrees of crankshaft rotation is the inlet valve of a four-stroke cycle internal combustion engine open?
In a magneto ignition system, which of the following is required to rotate the magneto shaft?
Which of the following systems is similar to a 'vapor compression refrigeration' system?
If the coefficient of performance (COP) of a Carnot refrigerator is 6, what is the ratio of the higher temperature to the lower temperature?
What is the ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency called?
The relative coefficient of performance (RCOP) is represented by the ratio of:
A centrifugal pump is operated under the following conditions:
Q = Discharge rate = 25 m³/s
H = Total head = 1 meter
N = 1000 RPM
What is the value of the Specific Speed of the given pump?
The main purpose of an expansion valve in a refrigeration system is to
In a Pelton turbine, the formula for maximum hydraulic efficiency is
Which of the following statements about alcohols as alternate fuels in IC engines is not correct?