Engineering Mechanics The efficiency of a lifting machine is the ratio of Mechanical advantage to the velocity ratio All of these Output to the input Work done by the machine to the work done on the machine Mechanical advantage to the velocity ratio All of these Output to the input Work done by the machine to the work done on the machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When the spring of a watch is wound, it will possess Heat energy Kinetic energy Strain energy Electrical energy Heat energy Kinetic energy Strain energy Electrical 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. √(gh/kG² + h²) 2π. √(gh/kG² + h²) 2π. √(kG² + h²/gh) 1/2π. √(kG² + h²/gh) 1/2π. √(gh/kG² + h²) 2π. √(gh/kG² + h²) 2π. √(kG² + h²/gh) 1/2π. √(kG² + h²/gh) 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.) ω².√(r² - y²) ω.√(r² - y²) ω².√(y² - r²) ω.√(y² - r²) ω².√(r² - y²) ω.√(r² - y²) ω².√(y² - r²) ω.√(y² - r²) 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. Change Does not change None of these Changes periodically Change Does not change None of these Changes periodically ANSWER DOWNLOAD EXAMIANS APP
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