Engineering Mechanics The velocity ratio for the first system of pulleys is (where n is the number of pulleys.) 2n n² n 2n - 1 2n n² n 2n - 1 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 bd³/36 db³/36 bd³/12 db³/12 bd³/36 db³/36 bd³/12 db³/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of projectile (R) on an upward inclined plane is g. cos² β/2u². sin (α + β). cos α 2u². sin (α + β). cos α/g. cos² β g. cos² β/2u². sin (α - β). cos α 2u². sin (α - β). cos α/g. cos² β g. cos² β/2u². sin (α + β). cos α 2u². sin (α + β). cos α/g. cos² β g. cos² β/2u². sin (α - β). cos α 2u². sin (α - β). cos α/g. cos² β ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side a about its diagonal is a⁴/16 a³/12 a⁴/12 a²/8 a⁴/16 a³/12 a⁴/12 a²/8 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 Increasing the radius of the load drum Increasing the number of teeth of the pinion All of these Increasing the length of the handle Increasing the radius of the load drum Increasing the number of teeth of the pinion All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Work done is said to be zero, when None of these Either (A) or (B) No force acts on a body but some displacement takes place Some force acts on a body, but displacement is zero None of these Either (A) or (B) No force acts on a body but some displacement takes place Some force acts on a body, but displacement is zero ANSWER DOWNLOAD EXAMIANS APP
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