Theory of Machine A system in dynamic balance implies that There is no critical speed in the system The system is critically damped There will absolutely no wear of bearings The system is also statically balanced There is no critical speed in the system The system is critically damped There will absolutely no wear of bearings The system is also statically balanced ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism in which two are turning pairs and two are sliding pairs, is called a All of these Elliptical trammel Scotch yoke mechanism Double slider crank chain All of these Elliptical trammel Scotch yoke mechanism Double slider crank chain ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a pendulum type governor? Porter governor Hartnell governor None of these Watt governor Porter governor Hartnell governor None of these Watt governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Effort of a governor is the Work-done at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for maximum equilibrium speed None of these Mean force exerted at the sleeve for a given percentage change of speed Work-done at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for maximum equilibrium speed None of these Mean force exerted at the sleeve for a given percentage change of speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Pitch point on a cam is Any point on pitch curve The point on cam pitch curve having the maximum pressure angle The point on cam pitch curve having the minimum pressure angle Any point on pitch circle Any point on pitch curve The point on cam pitch curve having the maximum pressure angle The point on cam pitch curve having the minimum pressure angle Any point on pitch circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by (where ω = Angular velocity of the cam shaft) ω (r₁ r₂) sinθ ω (r₁ + r₂) sinθ sec2θ ω (r₁ r₂) cosθ ω (r₁ + r₂) cosθ cosec2θ ω (r₁ r₂) sinθ ω (r₁ + r₂) sinθ sec2θ ω (r₁ r₂) cosθ ω (r₁ + r₂) cosθ cosec2θ ANSWER DOWNLOAD EXAMIANS APP
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