Theory of Machine If two moving elements have surface contact in motion, such pair is known as Higher pair Sliding pair Surface pair Rolling pair Higher pair Sliding pair Surface pair Rolling pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The angle of inclination of the plane, at which the body begins to move down the plane is called Angle of repose Angle of friction None of these Angle of projection Angle of repose Angle of friction None of these Angle of projection ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pairs are _________ pairs. Force-closed Self-closed None of these Friction closed Force-closed Self-closed None of these Friction closed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A watt's governor can work satisfactorily at speeds from 200 to 300 r.p.m. 100 to 200 r.p.m. 80 to 100 r.p.m. 60 to 80 r.p.m. 200 to 300 r.p.m. 100 to 200 r.p.m. 80 to 100 r.p.m. 60 to 80 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the anticlockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) ω₁.ω₂.r (ω₁ - ω₂) r (ω₁ - ω₂) 2r (ω₁ + ω₂) r ω₁.ω₂.r (ω₁ - ω₂) r (ω₁ - ω₂) 2r (ω₁ + ω₂) r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) π/ω ω × 2π ω/2π 2π/ω π/ω ω × 2π ω/2π 2π/ω ANSWER DOWNLOAD EXAMIANS APP
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