Engineering Mechanics A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is None of these Ideal Reversible Non-reversible None of these Ideal Reversible Non-reversible ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In actual machines, mechanical advantage is _________ velocity ratio. Less than Equal to None of these Greater than Less than Equal to None of these Greater than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to Half the area of the triangle None of these Twice the area of the triangle Area of the triangle Half the area of the triangle None of these Twice the area of the triangle Area of the triangle ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a solid sphere of mass ‘m’ and radius ‘r’ is mr² 2mr²/3 2mr²/5 mr²/2 mr² 2mr²/3 2mr²/5 mr²/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a single purchase crab winch can be increased by Increasing the length of the handle All of these Increasing the radius of the load drum Increasing the number of teeth of the pinion Increasing the length of the handle All of these Increasing the radius of the load drum Increasing the number of teeth of the pinion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The algebraic sum of moments of the forces forming couple about any point in their plane is Equal to the moment of the couple Both of above are wrong Both of above are correct Constant Equal to the moment of the couple Both of above are wrong Both of above are correct Constant ANSWER DOWNLOAD EXAMIANS APP
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