Theory of Machine The ratio of maximum fluctuation of energy to the work-done per cycle is called Fluctuation of energy None of these Coefficient of fluctuation of energy Maximum fluctuation of energy Fluctuation of energy None of these Coefficient of fluctuation of energy Maximum fluctuation of energy ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Grasshopper mechanism Watt’s mechanism Peaucellier’s mechanism Robert’s mechanism Grasshopper mechanism Watt’s mechanism Peaucellier’s mechanism Robert’s mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line At 45° to line as per (A) Perpendicular to line as per (A) Not possible to determine with these data Joining the corresponding points At 45° to line as per (A) Perpendicular to line as per (A) Not possible to determine with these data Joining the corresponding points ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Ackerman steering gear mechanism is preferred to the Davis steering gear mechanism, because Whole of the mechanism in the Ackerman steering gear is on the back of the front wheels The Ackerman steering gear is most economical The Ackerman steering gear consists of turning pairs Both (A) and (B) Whole of the mechanism in the Ackerman steering gear is on the back of the front wheels The Ackerman steering gear is most economical The Ackerman steering gear consists of turning pairs Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the piston will be Zero Minimum Maximum None of these Zero Minimum Maximum None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring) (S₁ + S₂) / 2h (S₁ - S₂) / h (S₁ + S₂) / h (S₁ - S₂) / 2h (S₁ + S₂) / 2h (S₁ - S₂) / h (S₁ + S₂) / h (S₁ - S₂) / 2h ANSWER DOWNLOAD EXAMIANS APP
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