A framed structure is perfect if it contains members equal to_________________?

A. 2n-3
B. N-l
C. ‘2n-l
D. N – 2

The ratio of limiting friction and normal reaction is known as _____________________?

A. Coefficient of friction
B. Angle of friction
C. Angle of repose
D. Sliding friction

On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be___________________?

A. Towards the wall at its upper end
B. Away from the wall at its upper end
C. Upwards at its upper end
D. Downwards at its upper end

Frictional force encountered after commencement of motion is called ___________________?

A. post friction
B. limiting friction
C. kinematic friction
D. frictional resistance

Two coplanar couples having equal and opposite moments_________________?

A. balance each other
B. produce a couple and an unbalanced force
C. are equivalent
D. produce a moment of couple

Which of the following cycles uses air as the refrigerant__________________?

A. Ericsson
B. Stirling
C. Carnot
D. Bell-coleman

The relative coefficient of performance is_____________________?

A. Actual cop/fheoretical cop
B. Theoretical cop/actual cop
C. Actual cop x theoretical cop
D. 1-actual cop x theoretical cop

Clapeyron equation is applicable for registration at___________________?

A. Saturation point of vapor
B. Saturation point of liquid
C. Sublimation temperature
D. Triple point

In vapor compression cycle, the condition of refrigerant is very wet vapor________________?

A. after passing through the condenser
B. before passing through the condenser
C. after passing through the expansion or throttle valve
D. before entering the expansion valve

A refrigerant should have _____________________? Pick up the wrong statement ?

A. Tow specific heat of liquid
B. High boiling point
C. High latent heat of vaporisation
D. Higher critical temperature