Machine Design The notch angle of the Izod impact test specimen is 30° 10° 20° 45° 30° 10° 20° 45° ANSWER DOWNLOAD EXAMIANS APP
Machine Design For same pulley diameters, center distance, belt speed and belt and pulley materials, Power transmission does not depend upon open and crossed types of constructions Open and crossed belt drives transmit same power Open belt drive transmits more power than crossed belt drive Crossed belt drive transmits more power than open belt drive Power transmission does not depend upon open and crossed types of constructions Open and crossed belt drives transmit same power Open belt drive transmits more power than crossed belt drive Crossed belt drive transmits more power than open belt drive ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration is caused due to Pitting at points or areas at which loads on a member are applied Abrupt change of section All of these Variation in properties of material from point to point in a member Pitting at points or areas at which loads on a member are applied Abrupt change of section All of these Variation in properties of material from point to point in a member ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in belts Decreases the power transmitted Increases the power transmitted Increase the wrap angle Increases the belt tension without increasing power transmission Decreases the power transmitted Increases the power transmitted Increase the wrap angle Increases the belt tension without increasing power transmission ANSWER DOWNLOAD EXAMIANS APP
Machine Design The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to (Where, Pc = tension in belt due to centrifugal force) 1 Pc 2 Pc Pc/3 3 Pc 1 Pc 2 Pc Pc/3 3 Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the screw in a mechanical screw jack rotates, the load kept on the top of it moves Axially upwards or downwards None of these Axially upwards Axially downwards Axially upwards or downwards None of these Axially upwards Axially downwards ANSWER DOWNLOAD EXAMIANS APP
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