In a shell and tube heat exchanger the baffles are used
A.to provide mixing of the fluid
B.to deflect the flow in a particular direction
C.to reduce the fouling of the tube surface
D.to reduce the pressure drop
Category: Renewable Sources of Energy Mcqs
The summer solstice occurs on about
A.21-Jun
B.22-Apr
C.22-May
D.21-Jul
The performance of a windmill rotor is indicated by plotting the variation of
A.coefficient of performance against tip speed ratio
B.maximum power available in the wind against wind speed
C.power delivered by the rotor against wind speed
D.maximum power available in the wind against speed at the tip of the rotor
An expression for the hour angle ? is where ts is the solar time in hours
A.? = 15(ts-6)
B.? = 15(ts+6)
C.? = 15(ts-12)
D.? = 15(ts-12)
The adiabatic throttling process of a perfect gas is one of constant
A.kinetic energy
B.enthalpy
C.potential energy
D.pressure
