Question:

Which of the following kinetic friction is smaller?

A.

limiting friction

B.

static friction

C.

rolling friction

D.

sliding friction

Answer» c. rolling friction

Question:

A condenser must and then the compressed refrigerant.

A.

superheat, evaporate

B.

desuperheat, evaporate

C.

superheat, condense

D.

desuperheat, condense

Answer» d. desuperheat, condense

Question:

Isentropic nozzle flow states about the movement of a gas or fluid through a narrow orifice without an increase or decrease in

A.

accelerating

B.

decelerating

C.

equilibrium

D.

exponential increase

Answer» b. decelerating

Question:

Pass-out turbines are used in which of these cases?

A.

relatively high back pressure

B.

small heating requirement

C.

only relatively low back pressure

D.

both relatively high back pressure and small heating requirement

Answer» d. both relatively high back pressure and small heating requirement