32.

ॐ.

34.

38.

36.

37.

88.

39.

40.

In the Hole basis system which one of the following represents a press fit?
(^) ೫7/6 © 7
(C) 7 യ 7 6

Which of the following is true in the case of a diesel engine?
(ക) Indicated thermal efficiency is always lower than the bralke thermal efficiency
(B) Indicated thermal efficiency does not increase as brake power increases
(C) Indicated thermal efficiency always decreases as output power increases
(D) Tndicated thermal efficiency cannot be zero

Characteristic difference of Diesel Cycle from Auto Cycle is by :
(A) Tsochoric heat addition (B) Isobaric heat addition
(C) Isothermal heat addition (D) lsentropic heat addition

Source and Sink temperatures of a Carnot Engine are 27°C and 927°C respectively. The
efficiency of Carnot Engine can be

(50 29% (B) 50%
(0 75% 0 100%
77 the area of radiation heat transfer, white paper material is assumed to be a
(ಗ) Black body (B) White body
(0 Grey body - ⋅ (D) Green body
Unit of Overall Heat Transfer Coefficient is :
(ಗ) வக (छ) W/mK
© WK യ സജ
One Ton of Refrigeration (1 TR) is :
(ಗ) 50.4 kW thermal (3) 3.517 kW thermal
)© 211kW thermal (D) 8.876 kW thermal

Thermostatic Expansion valve operates on the :
(ಗ) Temperature of refrigerant coming out of evaporator
(B) Pressure of refrigerant coming out of evaporator
(ര Volume of refrigerant coming out of evaporator
(D) Degree of Superheat of refrigerant coming out of evaporator

Which of the following can produce a fog in atmosphere?
(മു Sensible cooling up to saturation (B) Sensible heating
(0 Mixing of air streams 1 (D) Dehumidification

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