Theory of Machine The driving and driven shafts connected by a Hooke's joint will have equal speeds, if cotθ = cosα tanθ = ± cosα sinθ = ± tanα cosθ = sinα cotθ = cosα tanθ = ± cosα sinθ = ± tanα cosθ = sinα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by ω². (r₁ + r₂). (1 + cos² θ) ω². (r₁ r₂). (1 - cos² θ) ω². (r₁ - r₂). (1 - sin² θ) ω². (r₁ + r₂). [(2 - cos² θ)/cos³ θ] ω². (r₁ + r₂). (1 + cos² θ) ω². (r₁ r₂). (1 - cos² θ) ω². (r₁ - r₂). (1 - sin² θ) ω². (r₁ + r₂). [(2 - cos² θ)/cos³ θ] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanism is an approximate straight line motion mechanism? All of these Watt's mechanism Robert's mechanism Grasshopper mechanism All of these Watt's mechanism Robert's mechanism Grasshopper mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be To dip the nose and tail To dip the nose and raise the tail To raise the nose and dip the tail To raise the nose and tail To dip the nose and tail To dip the nose and raise the tail To raise the nose and dip the tail To raise the nose and tail ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by W CE / CS W CS / 2CE 2 W CE / CS W CE / 2CS W CE / CS W CS / 2CE 2 W CE / CS W CE / 2CS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Under logarithmic decrement, the amplitude of successive vibrations are In arithmetic progression In logarithmic progression Constant In geometric progression In arithmetic progression In logarithmic progression Constant In geometric progression ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS