77.

78.

79.

80.

81.

82.

88.

84.

The number of masses rotating in different planes will be in dynamic balance if :
(ಯ) Net force equal to zero
(3) Resultant couple equal to zero
(©) Both force and resultant couple equal to zero
(D) None of these

A rotary shaft overhangs on a bearing like a cantilever carrying a flywheel. If the mass of a
flywheel is reduced to half of its original mass, the wheeling speed will be :

(¢) Half of the speed ‏رمث‎ Double the speed
(0) V2 times the speed യ 1/ V2 times the speed

T be the permissible twisting moment in a circular shaft as per maximum stress theory.
‘What will be its value according to maximum principle stress theory?

@& 7 © 2
ര 7 യു ഈ
The thickness of the strap in single strap butt joint to join two plates of thickness ¢ is :
@) 1125¢ © 2t
(0 0.75¢ D) 15¢
Loam sand is mixture of :
(ക) 60% 8876 ೩76 40% clay (3) 70% 8876 and 30% clay
(€) 40% sand and 60% விஷு (D) 50% sand and 50% clay
Filler material is used in :
(ಯ) Spot welding (® Seam welding
€) Gas welding (D) Projection welding

Spinning is a process comprising :
(4) Bending and drawing
(2) Bending and rolling
(0) Stretching and rolling
(D) Bending and stretching

The best extrusion method for high-strength super alloys :
(ക) Hydrostatic extrusion ൫ Indirect extrusion
(೮0) Direct extrusion (D) Impact extrusion

36/2019 12 A