Engineering Mechanics The unit of angular velocity is rad/s m/min Both (B) and (C) Revolutions/min rad/s m/min Both (B) and (C) Revolutions/min ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a screw jack, the effort required to lift the load is given by (where W = Load lifted, α = Helix angle, and φ = Angle of friction.) P = W tan (α + φ) P = W tan (φ - α) P = W tan (α - φ) P = W cos (α + φ) P = W tan (α + φ) P = W tan (φ - α) P = W tan (α - φ) P = W cos (α + φ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The total momentum of a system of masses (i. e. moving bodies) in any one direction remains constant, unless acted upon by an external force in that direction. This statement is called Principle of conservation of momentum Newton's first law of motion Newton's second law of motion Principle of conservation of energy Principle of conservation of momentum Newton's first law of motion Newton's second law of motion Principle of conservation of energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The slope on the road surface generally provided on the curves is known as Angle of banking Angle of friction None of these Angle of repose Angle of banking Angle of friction None of these Angle of repose ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as Coefficient of friction Limiting friction Static friction Dynamic friction Coefficient of friction Limiting friction Static friction Dynamic friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration. Downwards Horizontal None of these Upwards Downwards Horizontal None of these Upwards ANSWER DOWNLOAD EXAMIANS APP
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