Theory of Machine The velocity of the rubbing surface __________ with the distance from the axis of the bearing. Decreases Increases None of these Remain same Decreases Increases None of these Remain same ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the inner dead center, in a reciprocating steam engine, then the acceleration of the piston will be ω²r. n/(n + 1) ω²r. n/(n - 1) ω²r. (n - 1)/n ω²r. (n + 1)/n ω²r. n/(n + 1) ω²r. n/(n - 1) ω²r. (n - 1)/n ω²r. (n + 1)/n 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 tp /16 tp /4 4 tp 16 tp tp /16 tp /4 4 tp 16 tp ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The contact ratio is given by (Length of the arc of contact)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of path of recess)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of path of recess)/(Circular pitch) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In elliptical trammels All four pairs are turning Three pairs turning and one pair sliding One pair turning and three pairs sliding Two pairs turning and two pairs sliding All four pairs are turning Three pairs turning and one pair sliding One pair turning and three pairs sliding Two pairs turning and two pairs sliding ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the belt for maximum power is (where m = Mass of the belt in kg per meter length) √(T/3m) T/3 (T.g)/3 √(3m/T) √(T/3m) T/3 (T.g)/3 √(3m/T) ANSWER DOWNLOAD EXAMIANS APP
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