Theory of Machine The instantaneous centers which vary with the configuration of mechanism are called None of these Neither fixed nor permanent instantaneous centers Fixed instantaneous centers Permanent instantaneous centers None of these Neither fixed nor permanent instantaneous centers Fixed instantaneous centers Permanent instantaneous centers ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The following is the inversion of slider crank chain mechanism All of these Whitworth quick return mechanism Hand pump Oscillating cylinder engine All of these Whitworth quick return mechanism Hand pump Oscillating cylinder engine ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Under logarithmic decrement, the amplitude of successive vibrations are In logarithmic progression Constant In arithmetic progression In geometric progression In logarithmic progression Constant In arithmetic progression In geometric progression ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Length of arc of contact is given by Arc of approach + Arc of recess Arc of approach / Arc of recess Arc of approach × Arc of recess Arc of approach - Arc of recess Arc of approach + Arc of recess Arc of approach / Arc of recess Arc of approach × Arc of recess Arc of approach - Arc of recess ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the below are inversions of slider crank mechanism? 1. Oscillating cylinder engine mechanism 2. Toggle mechanism 3. Radial cylinder engine mechanism 4. Quick return mechanism 1, 2 and 3 1, 3 and 4 2, 3 and 4 1, 2 and 4 1, 2 and 3 1, 3 and 4 2, 3 and 4 1, 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine To obviate axial thrust, following gear drive is used Mutter gears Single helical gear in which one of the teeth of helix angle a is more Double helical gears having identical teeth Double helical gears having opposite teeth Mutter gears Single helical gear in which one of the teeth of helix angle a is more Double helical gears having identical teeth Double helical gears having opposite teeth ANSWER DOWNLOAD EXAMIANS APP