Machine Design The ball bearings are provided with a cage To reduce friction To prevent the lubricant from flowing out To maintain the balls at a fixed distance apart To facilitate slipping of balls To reduce friction To prevent the lubricant from flowing out To maintain the balls at a fixed distance apart To facilitate slipping of balls ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of a self locking screw can not be more than 50% Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of a self locking screw can not be more than 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design Wahl's stress factor __________ very rapidly as the spring index decreases. None of these Decreases Remain same Increases None of these Decreases Remain same Increases ANSWER DOWNLOAD EXAMIANS APP
Machine Design A saddle key __________ power through frictional resistance only. Does not transmit Transmits None of these Either A or B Does not transmit Transmits None of these Either A or B ANSWER DOWNLOAD EXAMIANS APP
Machine Design The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for Ease of manufacture Safety Reducing stress concentration Fullering and caulking Ease of manufacture Safety Reducing stress concentration Fullering and caulking ANSWER DOWNLOAD EXAMIANS APP
Machine Design A cotter joint is used to connect two __________ rods. Co-axial Perpendicular None of these Parallel Co-axial Perpendicular None of these Parallel ANSWER DOWNLOAD EXAMIANS APP
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