Theory of Machine In a disc clutch, if there are n₁ number of discs on the driving shaft and n₂ number of discs on the driven shaft, then the number of pairs of contact surfaces will be n₁ + n₂ + 1 n₁ + n₂ - 1 n₁ + n₂ - 2 n₁ + n₂ n₁ + n₂ + 1 n₁ + n₂ - 1 n₁ + n₂ - 2 n₁ + n₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The static balancing is satisfactory for low speed rotors but with increasing speeds, dynamic balancing becomes necessary. This is because, the Unbalanced forces are not dangerous at higher speeds Unbalanced couples are caused only at higher speeds Effects of unbalances are directly proportional to the speed Effects of unbalances are proportional to the square of the speed Unbalanced forces are not dangerous at higher speeds Unbalanced couples are caused only at higher speeds Effects of unbalances are directly proportional to the speed Effects of unbalances are proportional to the square of the speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component is encountered in Slider crank mechanism Both (A) and (C) above Quick return mechanism of shaper Four bar chain mechanism Slider crank mechanism Both (A) and (C) above Quick return mechanism of shaper Four bar chain mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A slider crank chain consists of following numbers of turning and sliding pairs 3, 1 1, 3 2, 2 4, 0 3, 1 1, 3 2, 2 4, 0 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body of weight W is required to move up the rough inclined plane whose angle of inclination with the horizontal is α. The effort applied parallel to the plane is given by (where μ = tan φ = Coefficient of friction between the plane and the body) P = W tan α P = W (sin α + μ cos α) P = W (cos α + μ sin α) P = W tan (α + φ) P = W tan α P = W (sin α + μ cos α) P = W (cos α + μ sin α) P = W tan (α + φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Inertia force acts None of the listed here Opposite to the direction of acceleration force Perpendicular to the acceleration force Along the direction of acceleration force None of the listed here Opposite to the direction of acceleration force Perpendicular to the acceleration force Along the direction of acceleration force ANSWER DOWNLOAD EXAMIANS APP
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