Engineering Mechanics The maximum efficiency of a lifting machine is 1/m m/V.R. V.R./m 1/(m × V.R.) 1/m m/V.R. V.R./m 1/(m × V.R.) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The point, through which the whole weight of the body acts, irrespective of its position, is known as Moment of inertia Center of gravity Center of mass Center of percussion Moment of inertia Center of gravity Center of mass Center of percussion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of work in S.I. units is kg-m joule erg Newton kg-m joule erg Newton ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a screw jack is (1 - sinφ)/(1 + sinφ) (1 - tanφ)/(1 + tanφ) (1 + sinφ)/(1 - sinφ) (1 + tanφ)/(1 - tanφ) (1 - sinφ)/(1 + sinφ) (1 - tanφ)/(1 + tanφ) (1 + sinφ)/(1 - sinφ) (1 + tanφ)/(1 - tanφ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a solid sphere of mass ‘m’ and radius ‘r’ is 2mr²/3 2mr²/5 mr² mr²/2 2mr²/3 2mr²/5 mr² mr²/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Two like parallel forces are acting at a distance of 24 mm apart and their resultant is 20 N. It the line of action of the resultant is 6 mm from any given force, the two forces are 15 N and 15 N 20 N and 5 N 15 N and 5 N None of these 15 N and 15 N 20 N and 5 N 15 N and 5 N None of these ANSWER DOWNLOAD EXAMIANS APP