Engineering Mechanics If tension in the cable supporting a lift moving downwards is half the tension when it is moving upwards, the acceleration of the lift is g/2 None of these g/3 g/4 g/2 None of these g/3 g/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.) tan(α - φ)/tanα None of these tan(α + φ)/tanα tanα/tan (α + φ) tan(α - φ)/tanα None of these tan(α + φ)/tanα tanα/tan (α + φ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A framed structure is perfect, if the number of members are __________ (2j - 3), where j is the number of joints. None of these Less than Greater than Equal to None of these Less than Greater than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Centre of gravity of a solid cone lies on the axis at the height One third of the total height above base One-half of the total height above base Three eighth of the total height above the base One fourth of the total height above base One third of the total height above base One-half of the total height above base Three eighth of the total height above the base One fourth of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a circular section about its diameter (d) is πd3/32 πd3/16 πd4/64 πd4/32 πd3/32 πd3/16 πd4/64 πd4/32 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The point, through which the whole weight of the body acts, irrespective of its position, is known as Center of gravity Moment of inertia Center of mass Center of percussion Center of gravity Moment of inertia Center of mass Center of percussion ANSWER DOWNLOAD EXAMIANS APP
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