Theory of Machine The ratio of the driving tensions for V-belts is __________ times that of flat belts.(Where β = Semi-angle of the groove) secβ sinβ cosecβ cosβ secβ sinβ cosecβ cosβ 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 clockwise 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 unbalanced force due to revolving masses Constant in magnitude and direction both Varies in magnitude but constant in direction Varies in magnitude and direction both Varies in direction but constant in magnitude Constant in magnitude and direction both Varies in magnitude but constant in direction Varies in magnitude and direction both Varies in direction but constant in magnitude ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of successfully constrained motion is a All of these Motion of an I.C. engine valve Motion of the shaft between a footstep bearing Piston reciprocating inside an engine cylinder All of these Motion of an I.C. engine valve Motion of the shaft between a footstep bearing Piston reciprocating inside an engine cylinder ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be To raise the bow and lower the stern To move the ship towards port side To move the ship towards starboard To raise the stern and lower the bow To raise the bow and lower the stern To move the ship towards port side To move the ship towards starboard To raise the stern and lower the bow ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction gives a graphic construction for Acceleration polygon Velocity polygon Four bar chain mechanism Slider-crank mechanism Acceleration polygon Velocity polygon Four bar chain mechanism Slider-crank mechanism ANSWER DOWNLOAD EXAMIANS APP
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