Theory of Machine Idler pulley is used All of the listed here For applying tension For increasing velocity ratio For changing the direction of motion of the belt All of the listed here For applying tension For increasing velocity ratio For changing the direction of motion of the belt ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pair is a Sliding pair Open pair Closed pair Point contact pair Sliding pair Open pair Closed pair Point contact pair 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 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 ω (r₁ r₂) sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If two moving elements have surface contact in motion, such pair is known as Rolling pair Higher pair Sliding pair Surface pair Rolling pair Higher pair Sliding pair Surface pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Balancing of rotating and reciprocating parts of an engine is necessary when it runs at Highs peed Moderate speed Any one of these Slow speed Highs peed Moderate speed Any one of these Slow speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction) P = W tan(φ - α) P = W tan(α + φ) P = W tan(α - φ) P = W cos(α + φ) P = W tan(φ - α) P = W tan(α + φ) P = W tan(α - φ) P = W cos(α + φ) ANSWER DOWNLOAD EXAMIANS APP