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 Non-reversible Reversible None of these Ideal Non-reversible Reversible None of these Ideal ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The acceleration of a body sliding down an inclined surface is None of these g sinθ g cosθ g tanθ None of these g sinθ g cosθ g tanθ ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a body is acted upon by a number of coplanar non-concurrent forces, it may Rotate about itself without moving All of these Move in any one direction rotating about itself Be completely at rest Rotate about itself without moving All of these Move in any one direction rotating about itself Be completely at rest ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A block of mass 20 kg lying on a rough horizontal plane is connected by a light string passing over a smooth pulley to another mass 5 kg, which can move freely in the Vertical direction, as shown in the below figure. The tension in the string will ___________ with the increase in coefficient of friction. Increase Not be effected Decrease None of these Increase Not be effected Decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is bh3/4 bh3/8 bh3/12 bh3/36 bh3/4 bh3/8 bh3/12 bh3/36 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Varingon's theorem of moments states that if a number of coplanar forces acting on a particle are in equilibrium, then The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their lines of action are at equal distances The algebraic sum of their moments about any point in their plane is zero Their algebraic sum is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their lines of action are at equal distances The algebraic sum of their moments about any point in their plane is zero Their algebraic sum is zero ANSWER DOWNLOAD EXAMIANS APP
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