49.

61,

58.

57.

The rate of change of bending moment is equal to —————— at the section.

(A) shear force ' (B) deflection
(¢) loading (D) slope
According to Chvorinv's equation the solidification time of a casting is proportional to :
@ v ® ४
(© 7 ம யா?
Where V is the volume of casting

A composite wall of a furnace has two layers of equal thickness having thermal conductivities
in the ratio 8 : 2. What is the ratio of temperature drop across two layers?

ಯ) 3:2 (B) 2:8

© 1:2 യ 2:1
A block of ice floats on the surface of water contained in a vessel. How the water level will
change when the snow melts?

(A) Rises (B) Falls

(0) Remains same (D) Can't predict

A uniformly distributed load w in KN/m is acting over the entire length of a 3 m long
cantilever beam, If the shear force at the mid-point of cantilever is 6 kN the value of w is :

(4) 3 B 4
© 5 D) 6
The brazing process is carried out in the temperature range (degree Celsius) :
(A) 60-0 © 180-260
(©) 380-600 (D) 600-750
The unit of thermal diffusivity is :
(A) m¥hr°C (2) keal/m? hr
(€) mhr°C യ ജഃ

For a steady incompressible flow, the u component of velocity is Ae”. The corresponding v
component of velocity is
(4) 4൦ 0) Ae'y

(© -4 ९) (D) None

The diameter of a shaft is increased from 30 mm to 60 mm, all the other conditions remain
unchanged. How many times its torque carrying capacity increases?

A 2 ® 8

(0 16 2) 88

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