Engineering Mechanics The velocity ratio for the first system of pulleys is (where n is the number of pulleys.) 2n n² 2n - 1 n 2n n² 2n - 1 n ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The friction experienced by a body, when at rest, is known as Dynamic friction Coefficient of friction Static friction Limiting friction Dynamic friction Coefficient of friction Static friction Limiting friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The ratio of static friction to dynamic friction is always Less than one Equal to one None of these Greater than one Less than one Equal to one None of these Greater than one ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be Greater than 50% Less than 50% 1 Equal to 50% Greater than 50% Less than 50% 1 Equal to 50% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Mass moment of inertia of a uniform thin rod of mass M and length (l) about its mid-point and perpendicular to its length is (1/3) Ml² (1/12) Ml² (2/3) Ml² (3/4) Ml² (1/3) Ml² (1/12) Ml² (2/3) Ml² (3/4) Ml² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act Upward at its upper end Downward at its upper end Towards the wall at its upper end Away from the wall at its upper end Upward at its upper end Downward at its upper end Towards the wall at its upper end Away from the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
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