Gujarat Assistant Vehicle Motor Inspector Paper 2017

GPSC Assistant Vehicle Motor Inspector Paper 2017

If the normal force is doubled, the coefficient of friction is ________
(a) not changed
(b) halved
(c) doubled
(c) triple

Displacement, velocity and acceleration of a particle are __________
(a) all vector quantities
(b) all vector quantities except displacement
(c) all vector quantities except velocity
(d) all vector quantities except acceleration

The point of contra-flexure occurs in __________
(a) cantilever beam only
(b) simply supported beam only
(c) overhanging beam only
(d) None of these

Which one of the following theory is suitable for brittle material ?
(a) Maximum principal stress theory
(b) Distortion energy theory
(c) Maximum shear stress theory
(d) None of these

When mild steel is subjected to tensile loading, its fracture will conform to ____
(a) granular
(b) cup & cone
(c) star
(d) None of these

____________ governor is dead weight governor
(a) Watt
(b) Porter
(c) Hartnell
(d) None of these

A point on a link connecting double slider crank chain traces a ________ path
(a) straight
(b) elliptical or circular
(c) parabolic
(d) hyperbolic

___________ mechanism produces mathematically an exact straight line motion.
(a) Scotch yoke Mechanism
(b) Elliptical Trammel
(c) Peaucellier’s
(d) None of these

For a vibrating system, if the damping factor is unity, then the system is ___________damped
(a) under
(b) over
(c) critically
(d) None of these

The size of cam depends on ________ circle
(a) prime
(b) base
(c) outer
(d) pitch