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 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is used to control the speed variations of the engine caused by the fluctuations of the engine turning moment? Meyer's expansion valve D-slide valve Flywheel Governor Meyer's expansion valve D-slide valve Flywheel Governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The following is the inversion of slider crank chain mechanism Oscillating cylinder engine Hand pump All of these Whitworth quick return mechanism Oscillating cylinder engine Hand pump All of these Whitworth quick return mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is Both (A) and (B) None of these 180° and 360° 0° and 90° Both (A) and (B) None of these 180° and 360° 0° and 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to I₂/G² G.I₂ I₂/G G².I₂ I₂/G² G.I₂ I₂/G G².I₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which type of gear train is used in clock mechanism to join hour hand and minute hand? Reverted gear train Epicyclic gear train Compound gear train Simple gear train Reverted gear train Epicyclic gear train Compound gear train Simple gear train ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS