Engineering Mechanics The efficiency of a lifting machine is the ratio of Work done by the machine to the work done on the machine Output to the input All of these Mechanical advantage to the velocity ratio Work done by the machine to the work done on the machine Output to the input All of these Mechanical advantage to the velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When the spring of a watch is wound, it will possess Strain energy Heat energy Electrical energy Kinetic energy Strain energy Heat energy Electrical energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The frequency of oscillation of a compound pendulum is (where kG = Radius of gyration about the centroidal axis, and h = Distance between the point of suspension and C.G. of the body.) 1/2π. √(kG² + h²/gh) 1/2π. √(gh/kG² + h²) 2π. √(kG² + h²/gh) 2π. √(gh/kG² + h²) 1/2π. √(kG² + h²/gh) 1/2π. √(gh/kG² + h²) 2π. √(kG² + h²/gh) 2π. √(gh/kG² + h²) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity of a particle (v) moving with simple harmonic motion, at any instant is given by (where, r = Amplitude of motion, and y = Displacement of the particle from mean position.) ω.√(y² - r²) ω².√(y² - r²) ω.√(r² - y²) ω².√(r² - y²) ω.√(y² - r²) ω².√(y² - r²) ω.√(r² - y²) ω².√(r² - y²) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body. Changes periodically None of these Change Does not change Changes periodically None of these Change Does not change ANSWER DOWNLOAD EXAMIANS APP
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