Machine Design The ball bearings are provided with a cage To prevent the lubricant from flowing out To reduce friction To facilitate slipping of balls To maintain the balls at a fixed distance apart To prevent the lubricant from flowing out To reduce friction To facilitate slipping of balls To maintain the balls at a fixed distance apart ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 3.5 2.5 3 2.8 3.5 2.5 3 2.8 ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness of plate (t) is given by (where d and t are in mm) d = 1.6√t d = 6√t d = √t d = 2√t d = 1.6√t d = 6√t d = √t d = 2√t ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the thickness of the boiler shell should not be less than 6 mm 4 mm 7 mm 5 mm 6 mm 4 mm 7 mm 5 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design The helix angle for single helical gears ranges from 10° to 15° 35° to 50° 15° to 20° 20° to 35° 10° to 15° 35° to 50° 15° to 20° 20° to 35° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is an anti-friction bearing? Needle bearing Pedestal bearing Journal bearing Collar bearing Needle bearing Pedestal bearing Journal bearing Collar bearing ANSWER DOWNLOAD EXAMIANS APP
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