Theory of Machine When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be 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 To raise the bow and lower the stern To move the ship towards port side To move the ship towards starboard ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The condition for correct steering of a Davis steering gear is (where α = Angle of inclination of the links to the vertical) cotα = c/2b tanα = c/2b sinα = b/c cosα = c/b cotα = c/2b tanα = c/2b sinα = b/c cosα = c/b ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn = 2, where co is the frequency of excitation and ωn is the natural frequency of vibrations, then the transmissibility of vibration will the 2 1.5 0.5 1 2 1.5 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, when the crank has turned from inner dead centre through an angle θ, the angular velocity of the connecting rod is given by ω sinθ/(n² - sin²θ)1/2 ω sinθ/(n² - cos²θ)1/2 ω cosθ/(n² - sin²θ)1/2 ω cosθ/(n² - cos²θ)1/2 ω sinθ/(n² - sin²θ)1/2 ω sinθ/(n² - cos²θ)1/2 ω cosθ/(n² - sin²θ)1/2 ω cosθ/(n² - cos²θ)1/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gears, interference takes place when Gear teeth are undercut Gears do not move smoothly in the absence of lubrication 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 Gear teeth are undercut Gears do not move smoothly in the absence of lubrication 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
Theory of Machine When a mass of a critically damped single degree of freedom system is deflected from its equilibrium position and released, then it will Oscillate with increasing time period Return to equilibrium position without oscillation Oscillate with decreasing amplitude Oscillate with constant amplitude Oscillate with increasing time period Return to equilibrium position without oscillation Oscillate with decreasing amplitude Oscillate with constant amplitude ANSWER DOWNLOAD EXAMIANS APP
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