Applied Mechanics and Graphic Statics The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through 0.02 m 2 m 2.5 m 20 m 0.02 m 2 m 2.5 m 20 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile is fired at an angle ‘θ’ to the vertical. Its horizontal range will be maximum when ‘θ’ is 45° 0° 90° 30° 45° 0° 90° 30° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if Floor and wall both are smooth surfaces Floor is rough and the wall is smooth Floor and wall both are rough surfaces Floor is smooth and the wall is rough Floor and wall both are smooth surfaces Floor is rough and the wall is smooth Floor and wall both are rough surfaces Floor is smooth and the wall is rough ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics On a mass ‘m’ describing a circular path of radius ‘r’, the centrifugal force Is mw2r/g kgf Acts towards the centre of rotation Acts away from the centre of rotation Acts tangentially to the circular path Is mw2r/g kgf Acts towards the centre of rotation Acts away from the centre of rotation Acts tangentially to the circular path ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be equal to 100% more than 50% more than 66.67% less than 50% equal to 100% more than 50% more than 66.67% less than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Coefficient of friction depends on Nature of surfaces only None of these Both (A) and (B) Area of contact only Nature of surfaces only None of these Both (A) and (B) Area of contact only ANSWER DOWNLOAD EXAMIANS APP
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