Machine Design The ball bearings are provided with a cage To reduce friction To maintain the balls at a fixed distance apart To facilitate slipping of balls To prevent the lubricant from flowing out To reduce friction To maintain the balls at a fixed distance apart To facilitate slipping of balls To prevent the lubricant from flowing out ANSWER DOWNLOAD EXAMIANS APP
Machine Design Lewis equation in gears is used to find the Fatigue stress Compressive stress in bending Shear stress Tensile stress in bending Fatigue stress Compressive stress in bending Shear stress Tensile stress in bending ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm gears, the pressure angle is __________ the angle between two inclined faces in axial plane. Thrice Half None of these Twice Thrice Half None of these Twice ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which process will increase the fatigue duration of parts? De-carburisation Finishing and polishing Electroplating Shot-peening De-carburisation Finishing and polishing Electroplating Shot-peening ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? The efficiency of a self locking screw can not be more than 50% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) The efficiency of a self locking screw can not be more than 50% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be 1.8 d 1.57 d 0.8 d 1.2 d 1.8 d 1.57 d 0.8 d 1.2 d ANSWER DOWNLOAD EXAMIANS APP
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