Engineering Mechanics The maximum efficiency of a lifting machine is m/V.R. 1/(m × V.R.) V.R./m 1/m m/V.R. 1/(m × V.R.) V.R./m 1/m 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.√(r² - y²) ω.√(y² - r²) ω².√(r² - y²) ω².√(y² - r²) ω.√(r² - y²) ω.√(y² - r²) ω².√(r² - y²) ω².√(y² - r²) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A particle inside a hollow sphere of radius r, having coefficient of friction µ can rest up to height of 0.134 r r/2 r/A r/3 0.134 r r/2 r/A r/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a first system of pulleys with 4 pulleys is 20 4 8 16 20 4 8 16 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The friction experienced by a body, when at rest, is known as Limiting friction Coefficient of friction Dynamic friction Static friction Limiting friction Coefficient of friction Dynamic friction Static friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Mass moment of inertia of a thin rod about its one end is ___________ the mass moment of inertia of the same rod about its mid-point Twice Four times Thrice Same as Twice Four times Thrice Same as ANSWER DOWNLOAD EXAMIANS APP