Engineering Mechanics If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is 90° 30° 120° 60° 90° 30° 120° 60° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of work in S.I. units is kg-m Newton erg joule kg-m Newton erg joule ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angular velocity (in rad/s) of a body rotating at N revolutions per minute is 2πN/180 πN/60 πN/180 2πN/60 2πN/180 πN/60 πN/180 2πN/60 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When the lift is moving upwards with some acceleration, the pressure exerted by a man is __________ to its acceleration. Cube root None of these Inversely proportional Directly proportional Cube root None of these Inversely proportional Directly proportional ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.) tanα/tan (α + φ) None of these tan(α + φ)/tanα tan(α - φ)/tanα tanα/tan (α + φ) None of these tan(α + φ)/tanα tan(α - φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by 2P tanθ/2 2P cosθ/2 2P sinθ/2 2P cotθ/2 2P tanθ/2 2P cosθ/2 2P sinθ/2 2P cotθ/2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS