Engineering Mechanics On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be Perpendicular to the wall at its upper end Downwards at its upper end Zero at its upper end Upwards at its upper end Perpendicular to the wall at its upper end Downwards at its upper end Zero at its upper end Upwards at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of the two forces ‘P’ and ‘Q’ is ‘R’. If ‘Q’ is doubled, the new resultant is perpendicular to ‘P’. Then Q = R P = Q None of the listed here Q = 2R Q = R P = Q None of the listed here Q = 2R ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force. Greater than None of these Equal to Less than Greater than None of these Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a lifting machine is 1/(m × V.R.) V.R./m 1/m m/V.R. 1/(m × V.R.) V.R./m 1/m m/V.R. ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The motion of a particle round a fixed axis is Translatory as well as rotary Rotary Translatory Circular Translatory as well as rotary Rotary Translatory Circular ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is db³/36 bd³/12 db³/12 bd³/36 db³/36 bd³/12 db³/12 bd³/36 ANSWER DOWNLOAD EXAMIANS APP
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