Engineering Mechanics A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is Non-reversible None of these Ideal Reversible Non-reversible None of these Ideal Reversible ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics One joule is equal to 0.1 N-m 10 N-m 1 N-m 100 N-m 0.1 N-m 10 N-m 1 N-m 100 N-m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The energy possessed by a body, for doing work by virtue of its position, is called Kinetic energy Chemical energy Potential energy Electrical energy Kinetic energy Chemical energy Potential energy Electrical energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of a projectile is maximum, when the angle of projection is 90° 45° 30° 60° 90° 45° 30° 60° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of percussion of the homogeneous rod of length ‘L’ suspended at the top will be 2L/3 L/2 L/3 3L/4 2L/3 L/2 L/3 3L/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a screw jack is (1 - sinφ)/(1 + sinφ) (1 + tanφ)/(1 - tanφ) (1 - tanφ)/(1 + tanφ) (1 + sinφ)/(1 - sinφ) (1 - sinφ)/(1 + sinφ) (1 + tanφ)/(1 - tanφ) (1 - tanφ)/(1 + tanφ) (1 + sinφ)/(1 - sinφ) ANSWER DOWNLOAD EXAMIANS APP
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