List of top Mechanical Engineering Questions on Fluid Mechanics and Machinery

The law of radioactive decay equation is: (Where, T = Half-life period and $\lambda$ = radioactive disintegration constant)

A machine is used as both Refrigeration Unit and Heat pump. For the same limits of temperatures, if the ratio of Coefficient of Performance of Heat Pump to Coefficient of Performance of Refrigeration Unit is 1.2, then the Coefficient of Performance of Refrigeration Unit is:

Which of the following component is NOT used in vapour compression refrigeration system?

The process of draining steam from the turbine, at certain points during its expansion and using this steam for heating the feed water is known as .

For the given same compression ratio and the same heat input the air standard efficiency of otto, diesel and dual combustion cycles are in the order of:

Which thermodynamic cycle consists of two reversible isotherms and two reversible isobars?

For a thermodynamic cycle to be reversible, it is necessary that

In a throttling process, which one of the following parameters remain constant?

Ice cube kept in a well-insulated thermos flask, is an example of which system?