Theory of Machine Angle of action of cam is defined as the angle Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Moved by the cam from beginning of ascent to the termination of descent Of rotation of the cam for a definite displacement of the follower Through which the cam rotates during the period in which the follower remains in the highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Moved by the cam from beginning of ascent to the termination of descent Of rotation of the cam for a definite displacement of the follower Through which the cam rotates during the period in which the follower remains in the highest position ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When brakes are applied to all the four wheels of a moving car, the distance traveled by the car before it is brought to rest, will be Maximum Zero Minimum None of these Maximum Zero Minimum None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration acts Perpendicular to the sliding surface Parallel to the sliding surface At 45° to the sliding surface Along the sliding surface Perpendicular to the sliding surface Parallel to the sliding surface At 45° to the sliding surface Along the sliding surface 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) / h (S₁ - S₂) / 2h (S₁ + S₂) / 2h (S₁ - S₂) / h (S₁ + S₂) / h (S₁ - S₂) / 2h (S₁ + S₂) / 2h (S₁ - S₂) / h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Leads by 180° Leads by 90° Lags by 90° Are in phase Leads by 180° Leads by 90° Lags by 90° Are in phase ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lower the load W is given by P = W cos(α + φ) P = W tan(α - φ) P = W tan(φ - α) P = W tan(α + φ) P = W cos(α + φ) P = W tan(α - φ) P = W tan(φ - α) P = W tan(α + φ) ANSWER DOWNLOAD EXAMIANS APP
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