Machine Design A screw will be self locking, if Friction angle is more than helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle Friction angle is more than helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standard specifications, 100 H6/g5 means that Tolerance grade for the hole is 6 and for the shaft is 5 Tolerance grade for the shaft is 6 and for the hole is 5 Tolerance grade for the hole is 4 to 8 and for the shaft is 3 to 7 Tolerance grade for the shaft is 4 to 8 and for the hole is 3 to 7 Tolerance grade for the hole is 6 and for the shaft is 5 Tolerance grade for the shaft is 6 and for the hole is 5 Tolerance grade for the hole is 4 to 8 and for the shaft is 3 to 7 Tolerance grade for the shaft is 4 to 8 and for the hole is 3 to 7 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ball bearings are provided with a cage To facilitate slipping of balls To prevent the lubricant from flowing out To maintain the balls at a fixed distance apart To reduce friction To facilitate slipping of balls To prevent the lubricant from flowing out To maintain the balls at a fixed distance apart To reduce friction 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 Ease of manufacture Safety Fullering and caulking Reducing stress concentration Ease of manufacture Safety Fullering and caulking ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be 63 to 70% 45 to 60% 70 to 83% 80 to 90% 63 to 70% 45 to 60% 70 to 83% 80 to 90% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The dedendum is the radial distance from the Pitch circle to the bottom of a tooth Pitch circle to the top of a tooth Addendum circle to the clearance circle Top of a tooth to the bottom of a tooth Pitch circle to the bottom of a tooth Pitch circle to the top of a tooth Addendum circle to the clearance circle Top of a tooth to the bottom of a tooth ANSWER DOWNLOAD EXAMIANS APP