Machine Design If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by N/Zp p/ZN ZN/p Z/pN N/Zp p/ZN ZN/p Z/pN 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 2.8 3.5 2.5 3 2.8 3.5 2.5 3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stretching in a belt can be controlled by __________ the stress in the belt. None of these Increasing Reducing Both A and B None of these Increasing Reducing Both A and B ANSWER DOWNLOAD EXAMIANS APP
Machine Design Belt slip may occur due to Heavy load All of these Driving pulley too small Loose belt Heavy load All of these Driving pulley too small Loose belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design Form coefficient of spring is Load required to produce unit deflection Ratio of coil diameter to wire diameter Its capability of storing energy Concerned with strength of wire of spring Load required to produce unit deflection Ratio of coil diameter to wire diameter Its capability of storing energy Concerned with strength of wire of spring ANSWER DOWNLOAD EXAMIANS APP
Machine Design The helix angle for single helical gears ranges from 20° to 35° 15° to 20° 35° to 50° 10° to 15° 20° to 35° 15° to 20° 35° to 50° 10° to 15° ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS