Engineering Mechanics The time of flight (t) of a projectile on a horizontal plane is given by t = 2u. sinα/g t = 2u/g.sinα t = 2u. tanα/g t = 2u. cosα/g t = 2u. sinα/g t = 2u/g.sinα t = 2u. tanα/g t = 2u. cosα/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a solid cylinder of mass 'm', radius 'r' and length 'l' about the longitudinal axis or polar axis is mr²/8 mr²/2 mr²/4 mr²/6 mr²/8 mr²/2 mr²/4 mr²/6 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A body of weight 'W' is required to move up on rough inclined plane whose angle of inclination with the horizontal is 'α'. The effort applied parallel to the plane is given by (where μ = tanφ = Coefficient of friction between the plane and the body.) P = W tanα P = W tan (α + φ) P = W (cosα + μsinα) P = W (sinα + μcosα) P = W tanα P = W tan (α + φ) P = W (cosα + μsinα) P = W (sinα + μcosα) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The horizontal range of a projectile (R) is given by R = u² sin2α/g R = u² sinα/g R = u² cos2α/g R = u² cosα/g R = u² sin2α/g R = u² sinα/g R = u² cos2α/g R = u² cosα/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The linear acceleration (a) of a body rotating along a circular path of radius (r) with an angular acceleration of α rad/s2, is a = α/ r a = α.r None of these a = r / α a = α/ r a = α.r None of these a = r / α ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a single purchase crab winch can be increased by 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 Increasing the length of the handle Increasing the radius of the load drum ANSWER DOWNLOAD EXAMIANS APP
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