Engineering Mechanics The maximum efficiency of a lifting machine is 1/(m × V.R.) 1/m m/V.R. V.R./m 1/(m × V.R.) 1/m m/V.R. V.R./m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A block of mass 20 kg lying on a rough horizontal plane is connected by a light string passing over a smooth pulley to another mass 5 kg, which can move freely in the Vertical direction, as shown in the below figure. The tension in the string will ___________ with the increase in coefficient of friction. Decrease Not be effected Increase None of these Decrease Not be effected Increase None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The force, by which the body is attracted, towards the center of the earth, is called Momentum Mass Weight Impulsive force Momentum Mass Weight Impulsive force ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin disc of mass ‘m’ and radius ‘r’, about an axis through its center of gravity and perpendicular to the plane of the disc is mr²/8 mr²/6 mr²/2 mr²/4 mr²/8 mr²/6 mr²/2 mr²/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum frictional force which comes into play when a body just begins to slide over another surface is called Sliding friction Rolling friction Kinematic friction Limiting friction Sliding friction Rolling friction Kinematic friction Limiting friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by 2P cosθ/2 2P tanθ/2 2P sinθ/2 2P cotθ/2 2P cosθ/2 2P tanθ/2 2P sinθ/2 2P cotθ/2 ANSWER DOWNLOAD EXAMIANS APP
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