Theory of Machine The minimum force required to slide a body of weight W on a rough horizontal plane is W cosecθ W sinθ W tanθ W cosθ W cosecθ W sinθ W tanθ W cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The train value of a gear train is Always less than unity Always greater than unity Reciprocal of velocity ratio of a gear train Equal to velocity ratio of a gear train Always less than unity Always greater than unity Reciprocal of velocity ratio of a gear train Equal to velocity ratio of a gear train 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) cosθ cosec2θ ω (r₁ r₂) sinθ ω (r₁ r₂) cosθ ω (r₁ + r₂) sinθ sec2θ ω (r₁ + r₂) cosθ cosec2θ ω (r₁ r₂) sinθ ω (r₁ r₂) cosθ ω (r₁ + r₂) sinθ sec2θ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of links and instantaneous centers in a reciprocating engine mechanism are 5, 4 4, 5 4, 6 4, 4 5, 4 4, 5 4, 6 4, 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The danger of breakage and vibration is maximum Below the critical speed Near the critical speed None of these Above the critical speed Below the critical speed Near the critical speed None of these Above the critical speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is Soundness would depend upon which link is kept fixed Data is not sufficient to determine same Not sound Kinematically sound Soundness would depend upon which link is kept fixed Data is not sufficient to determine same Not sound Kinematically sound ANSWER DOWNLOAD EXAMIANS APP