Theory of Machine In a four stroke I.C. engine, the turning moment during the compression stroke is Positive during major portion of the stroke Positive throughout Negative during major portion of the stroke Negative throughout Positive during major portion of the stroke Positive throughout Negative during major portion of the stroke Negative throughout ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin) (1/2). I ω ωP (1/2).Iω² Iω² I ω ωP (1/2). I ω ωP (1/2).Iω² Iω² I ω ωP ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be To move the ship towards starboard To move the ship towards port side To raise the stern and lower the bow To raise the bow and lower the stern To move the ship towards starboard To move the ship towards port side To raise the stern and lower the bow To raise the bow and lower the stern ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The arrangement is called bevel gearing, when two __________ are connected by gears. Non-intersecting and non-coplanar shafts Intersecting and coplanar shafts Parallel and non-coplanar shafts Parallel and coplanar shafts Non-intersecting and non-coplanar shafts Intersecting and coplanar shafts Parallel and non-coplanar shafts Parallel and coplanar shafts ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft carrying three rotors will have Three nodes Two nodes No node One node Three nodes Two nodes No node One node ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of maximum fluctuation of speed to the mean speed is called Coefficient of fluctuation of speed Fluctuation of speed Maximum fluctuation of speed None of these Coefficient of fluctuation of speed Fluctuation of speed Maximum fluctuation of speed None of these ANSWER DOWNLOAD EXAMIANS APP
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