Theory of Machine Cam size depends upon Prime circle Base circle Outer circle Pitch circle Prime circle Base circle Outer circle Pitch circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle) [(r + R) sinφ]/2 [(r² + R²) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r + R) sinφ]/2 [(r² + R²) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have __________ when in motion, it is said to a lower pair. Surface contact Body contact Line or point contact None of these Surface contact Body contact Line or point contact None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction) 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) P = W cos(α + φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is Slightly less than 95 mm 45 mm 95 mm Slightly more than 95 mm Slightly less than 95 mm 45 mm 95 mm Slightly more than 95 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Length of arc of contact is given by Arc of approach × Arc of recess Arc of approach / Arc of recess Arc of approach + Arc of recess Arc of approach - Arc of recess Arc of approach × Arc of recess Arc of approach / Arc of recess Arc of approach + Arc of recess Arc of approach - Arc of recess ANSWER DOWNLOAD EXAMIANS APP
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