Theory of Machine There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20, 60, 30, 80, 25 and 75 respectively. The ratio of angular speeds of the driven (F) to the driver (A) of the drive is 1/8 12 4/15 1/24 1/8 12 4/15 1/24 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism forms a structure, when the number of degrees of freedom (n) is equal to 1 2 -1 1 2 -1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A cam with a roller follower would constitute following type of pair Open pair Lower pair Close pair Higher pair Open pair Lower pair Close pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equivalent length of a simple pendulum which gives the same frequency as a compound pendulum is h²/(kG² + h²) (kG² + h²)/h² h/(kG² + h²) (kG² + h²)/h h²/(kG² + h²) (kG² + h²)/h² h/(kG² + h²) (kG² + h²)/h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When there is a reduction in amplitude over every cycle of vibration, then the body is said to have Damped vibration Under damped vibration Forced vibration Free vibration Damped vibration Under damped vibration Forced vibration Free vibration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The factional torque for square thread at the mean radius r while raising load W is given by T = W.r tan(φ + α) T = W.r tan(φ - α) T = W.r tanα T = W.r tanφ T = W.r tan(φ + α) T = W.r tan(φ - α) T = W.r tanα T = W.r tanφ ANSWER DOWNLOAD EXAMIANS APP
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