32.

33.

34.

88.

36.

37.

38.

39.

Which of the following processes is generally uged in winter air conditioning?
(4) dehumidification (ए) humidification
(¢) cooling and dehumidification (D) . heating and humidification

Upto critical radius of insulation the heat flow :
(ക) १६८६६७९8
(B) increases
(C) heat flux decreases
(D) convection heat loss is less than conduction heat loss

As relative humidity decreases the dew point will be —————————— wet bulb temperature.
(A) higher than (B) equal to
(ಲ) lower than (D) none of the above

A two stroke engine has a speed of 750 rpm. A four stroke engine having an identical cylinder
size running at 1500 rpm. The theoretical output of the two stroke engine will be :

(^) twice that of the four stroke engine

(ए) half that of the four stroke engine

(C) the same as that of the four stroke engine
(D) depend upon whether it is a CI or SI engine

The main reason for adopting the axial flow compressors instead of centrifugal compressors
in aircraft turbine is that :

(ಗಿ) starting torque for axial flow compressor is high

(ड) the frontal area of axial flow compressor is considerably less

(@ the efficiency of middle speed range is higher

(D) pressure ratio per stage is high

Morse lest measures the indicated power of :
(^) Slengine (8) CI engine
(0) Steam engines (D) Steam turbine

Which one of the following is a lower pair?
(ക) cam and follower (B) toothed gearing
(0) shaftin a bearing (D) ball and race in bearing

Coriolis component of acceleration is present exists whenever a point moves along a path that
has : ∙

(8) tangential acceleration (B) centripetal acceleration

(C) linear motion (D) rotational motion

۶ 147/2015
[7.7.0.]