Theory of Machine The centre of gravity of a coupler link in a four bar mechanism will experience Only angular acceleration No acceleration Both linear and angular acceleration Only linear acceleration Only angular acceleration No acceleration Both linear and angular acceleration Only linear acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on A. A triangle A triangle Two lines A point A straight line A triangle Two lines A point A straight line ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) 2π/ω π/ω ω/2π ω × 2π 2π/ω π/ω ω/2π ω × 2π ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an inversion of a double slider crank chain? Oldham's coupling All of these Scotch yoke mechanism Elliptical trammel Oldham's coupling All of these Scotch yoke mechanism Elliptical trammel ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will Reduce length of effective stroke of piston Reduce maximum opening of port to steam All of these Cause withdrawing or throttling of steam Reduce length of effective stroke of piston Reduce maximum opening of port to steam All of these Cause withdrawing or throttling of steam ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become 4 tp tp /16 16 tp tp /4 4 tp tp /16 16 tp tp /4 ANSWER DOWNLOAD EXAMIANS APP
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