Theory of Machine Which of the following mechanisms produces mathematically an exact straight line motion? Grasshopper mechanism Watt mechanism Peaucellier's mechanism Tchebicheff mechanism Grasshopper mechanism Watt mechanism Peaucellier's mechanism Tchebicheff mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is Kinematically sound Soundness would depend upon which link is kept fixed Not sound Data is not sufficient to determine same Kinematically sound Soundness would depend upon which link is kept fixed Not sound Data is not sufficient to determine same ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The working depth of a gear is the radial distance from the Pitch circle to the top of a tooth Top of a tooth to the bottom of a tooth Addendum circle to the clearance circle Pitch circle to the bottom of a tooth Pitch circle to the top of a tooth Top of a tooth to the bottom of a tooth Addendum circle to the clearance circle Pitch circle to the bottom of a tooth ANSWER DOWNLOAD EXAMIANS APP
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 1/24 4/15 1/8 12 1/24 4/15 1/8 12 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In S.H.M., acceleration is proportional to Displacement Rate of change of velocity Velocity All of these Displacement Rate of change of velocity Velocity All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the rubbing surface __________ with the distance from the axis of the bearing. None of these Remain same Increases Decreases None of these Remain same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
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