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 4F/bh 2F/bh F/bh 3F/2bh 4F/bh 2F/bh F/bh 3F/2bh ANSWER DOWNLOAD EXAMIANS APP
Machine Design For hardening alloy steels and high speed steels, they are heated to 1300 to 1500°C 1100 to 1300°C 700 to 900°C 500 to 600°C 1300 to 1500°C 1100 to 1300°C 700 to 900°C 500 to 600°C ANSWER DOWNLOAD EXAMIANS APP
Machine Design The effective stress in wire ropes during normal working is equal to the stress due to Axial load plus stress due to bending Acceleration/retardation of masses plus stress due to bending Bending plus stress due to acceleration/retardation Axial load plus stress due to acceleration/retardation Axial load plus stress due to bending Acceleration/retardation of masses plus stress due to bending Bending plus stress due to acceleration/retardation Axial load plus stress due to acceleration/retardation ANSWER DOWNLOAD EXAMIANS APP
Machine Design Screws used for power transmission should have Low efficiency Very fine threads High efficiency Strong teeth Low efficiency Very fine threads High efficiency Strong teeth ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle. Larger than Smaller than Equal to None of these Larger than Smaller than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tapered key which fits in a key way in the hub and is flat on the shaft, is known as Wood ruff key Flat saddle key Feather key Gib-head key Wood ruff key Flat saddle key Feather key Gib-head key ANSWER DOWNLOAD EXAMIANS APP
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