Machine Design In a belt drive, if the pulley diameter is doubled keeping the tension and belt width constant, then it will be necessary to Decrease the key length Increase the key length Increase the key depth Increase the key width Decrease the key length Increase the key length Increase the key depth Increase the key width ANSWER DOWNLOAD EXAMIANS APP
Machine Design A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cylinder is 7.2 N/mm² tension 7.2 N/mm² compression 3.6 N/mm² tension 3.6 N/mm² compression 7.2 N/mm² tension 7.2 N/mm² compression 3.6 N/mm² tension 3.6 N/mm² compression 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 None of these Axially upwards or downwards Axially downwards Axially upwards None of these Axially upwards or downwards Axially downwards ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is increased, then the pressure angle Decreases None of these Increases Remains unchanged Decreases None of these Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to Reduce vibration Ensure uniform loading Ensure proper alignment Reduce slip Reduce vibration Ensure uniform loading Ensure proper alignment Reduce slip ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a beam of rectangular cross-section of width b and depth d, is subjected to a shear force F, the maximum shear stress induced will be F/bh 3F/2bh 2F/bh 4F/bh F/bh 3F/2bh 2F/bh 4F/bh ANSWER DOWNLOAD EXAMIANS APP
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