Machine Design In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by Remain unaffected with cross-section area Would depend upon other factors Increasing the cross-section area of bar Decreasing the cross-section area of bar Remain unaffected with cross-section area Would depend upon other factors Increasing the cross-section area of bar Decreasing the cross-section area of bar ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm, gears, pitch lead angle is The angle between the tangent to the pitch helix and the plane of rotation None of these Half the angle between two inclined faces in axial plane The angle between the tangent to the pitch helix and an element of the cylinder The angle between the tangent to the pitch helix and the plane of rotation None of these Half the angle between two inclined faces in axial plane The angle between the tangent to the pitch helix and an element of the cylinder ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flat belt drive, if the slip between the driver and belt is 1 %, between the belt and follower is 3% and driver and follower pulley diameters are equal, then velocity ratio of the drive will be 0.97 0.96 0.99 0.98 0.97 0.96 0.99 0.98 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring) (2WD/ πd3) × K (WD/ πd3) × K (4WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K (WD/ πd3) × K (4WD/ πd3) × K (8WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for Reducing stress concentration Safety Fullering and caulking Ease of manufacture Reducing stress concentration Safety Fullering and caulking Ease of manufacture ANSWER DOWNLOAD EXAMIANS APP
Machine Design The helix angle for single helical gears ranges from 10° to 15° 35° to 50° 20° to 35° 15° to 20° 10° to 15° 35° to 50° 20° to 35° 15° to 20° ANSWER DOWNLOAD EXAMIANS APP