Machine Design The gears are termed as medium velocity gears, if their peripheral velocity is 3-15 m/s 15-30 m/s 30-50 m/s 1-3 m/s 3-15 m/s 15-30 m/s 30-50 m/s 1-3 m/s 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 2.8 3.0 3.5 2.5 2.8 3.0 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In composite or reverse laid ropes Direction of twist of wires in strands is opposite to the direction of twist of strands Wires in two adjacent strands are twisted in opposite direction Wires are not twisted Direction of twist of wires and strands are same Direction of twist of wires in strands is opposite to the direction of twist of strands Wires in two adjacent strands are twisted in opposite direction Wires are not twisted Direction of twist of wires and strands are same ANSWER DOWNLOAD EXAMIANS APP
Machine Design Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic loading are based on ultimate strength of the material. Elastic strength Shear strength None of these Yield strength Elastic strength Shear strength None of these Yield strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are 1000 N-m and 500 N-m respectively. If the combined shock and fatigue factor for bending is 1.5 and combined shock and fatigue factor for torsion is 2, then the equivalent twisting moment for the shaft is 2050 N-m 2136 N-m 2000 N-m 2100 N-m 2050 N-m 2136 N-m 2000 N-m 2100 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be 4 times more 2 times more 3 times more Same in both cases 4 times more 2 times more 3 times more Same in both cases ANSWER DOWNLOAD EXAMIANS APP