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) cosθ cosec2θ ω (r₁ r₂) cosθ ω (r₁ + r₂) sinθ sec2θ ω (r₁ r₂) sinθ ω (r₁ + r₂) cosθ cosec2θ ω (r₁ r₂) cosθ ω (r₁ + r₂) sinθ sec2θ ω (r₁ r₂) sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating engine, usually __________ of the reciprocating masses are balanced. Two-third One-half Whole Three-fourth Two-third One-half Whole Three-fourth ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine TJIE horse power transmitted by a belt is dependent upon Tension on tight side of belt Tension on slack side of belt All of these Radius of pulley Tension on tight side of belt Tension on slack side of belt All of these Radius of pulley ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Sense of tangential acceleration of a link Is perpendicular to that of velocity Could be either same or opposite to velocity Is same as that of velocity Is opposite to that of velocity Is perpendicular to that of velocity Could be either same or opposite to velocity Is same as that of velocity Is opposite to that of velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is Greater than sum of other two Less than sum of other two Equal to sum of other two There is no such relationship Greater than sum of other two Less than sum of other two Equal to sum of other two There is no such relationship ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gears, interference takes place when Gears do not move smoothly in the absence of lubrication Gear teeth are undercut Pitch of the gears is not same The tip of a tooth of a mating gear digs into the portion between base and root circles Gears do not move smoothly in the absence of lubrication Gear teeth are undercut Pitch of the gears is not same The tip of a tooth of a mating gear digs into the portion between base and root circles ANSWER DOWNLOAD EXAMIANS APP
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