45,

46.

47.

48.

49,

50,

51,

52,

The diameter of a rivet by Unwinn’s formula for a plate thickness of 9 mm :
(A) 12mm (B) 15 mm (ಲ) 24mm (D) 18 mm

Point of Contraflexture is where :
(മ) Bending moment is maximum (8) Bending moment is zero
(9) Shear force is maximum (D) Shear force is zero

A simply supported beam carries two equal loads ‘W’ at a distance of ‘L/3" from either
supports. The Maximum Bending moment is :

WL 2WL
८) ந ‏علي م ع م‎

7015507 5 78110 15 defined as the :

(ಹಿ) ratio of axial strain to transverse strain

(8 ratio of shear stress to shear strain

(C) modulus of ratio of transverse strain to axial strain
(D) Ratio of direct stress to volumetric strain

The lead of a two start screw thread is equal to :
(മ) pitch (3) twice of the pitch
(ಲ) र्ना of the pitch (D) twice of the depth of thread

Horizontal force required to pull a body of weight of 200 N along a horizontal surface with
a coefficient of friction of 0.2 is :

(ಹಿ) 200N © 10% © 5N (D) 0%

Economiser in 8 steam boiler is used to :

(ಹ) Increase the temperature of super heated steam

(B) To indicate the water level inside the boiler

(ಲ) Heat the feed water by utilising the heat in the exhaust gases
(D) Regulate the supply of water pumped into the boiler

The function of a moderator in a nuclear power plant is to :

(ಹ) Absorb the thermal neutrons and control the chain reaction
(B) Take away the heat from reactor to the heat exchanger

(C) Store the fissionable material for better control of reaction
(D) Slow down the fast moving fission neutrons

122/2017 8 A