Theory of Machine A higher pair has__________. None of these Surface contact No contact Point contact None of these Surface contact No contact Point contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 90° - φ α = 45° + φ/2 α = 45° - φ/2 α = 90° + φ α = 90° - φ α = 45° + φ/2 α = 45° - φ/2 α = 90° + φ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The motion between a pair which takes place in ____ is known as incompletely constrained motion. More than one direction Two directions only One direction only None of the listed here More than one direction Two directions only One direction only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a spring controlled governor? Wilson-Hartnell governor Hartung governor Hartnell governor All of these Wilson-Hartnell governor Hartung governor Hartnell governor All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A) v²BA /AB v²BA vBA /AB vBA × AB v²BA /AB v²BA vBA /AB vBA × AB ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Scott-Russell mechanism consists of Sliding pairs only Turning and rotary pairs Sliding and turning pairs Sliding and rotary pairs Sliding pairs only Turning and rotary pairs Sliding and turning pairs Sliding and rotary pairs ANSWER DOWNLOAD EXAMIANS APP
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