Machine Design When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as Crown bevel gears Internal bevel gears Angular bevel gears Mitre gears Crown bevel gears Internal bevel gears Angular bevel gears Mitre gears ANSWER DOWNLOAD EXAMIANS APP
Machine Design The face angle of a bevel gear is equal to Pitch angle + dedendum angle Pitch angle - dedendum angle Pitch angle - addendum angle Pitch angle + addendum angle Pitch angle + dedendum angle Pitch angle - dedendum angle Pitch angle - addendum angle Pitch angle + addendum angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by Where m = mass of belt per meter (kg/m) v = belt velocity (m/s) f = coefficient of friction a = angle of wrap (radians) (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hollow saddle key is A taper key which fits half in the key way of hub and half in the key way of shaft Provided in pairs at right angles and each key is to withstand torsion in one direction only A taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft A taper key which fits in a key way of the hub and is flat on the shaft A taper key which fits half in the key way of hub and half in the key way of shaft Provided in pairs at right angles and each key is to withstand torsion in one direction only A taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft A taper key which fits in a key way of the hub and is flat on the shaft ANSWER DOWNLOAD EXAMIANS APP
Machine Design A feather key is generally Tight in both shaft and hub Tight in shaft and loose in hub Loose in shaft and tight in hub Loose in both shaft and hub Tight in both shaft and hub Tight in shaft and loose in hub Loose in shaft and tight in hub Loose in both shaft and hub ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resultant axial load on a bolt depends upon External load applied All of these Relative elastic yielding of the bolt and the connected members Initial tension due to tightening of the bolt External load applied All of these Relative elastic yielding of the bolt and the connected members Initial tension due to tightening of the bolt ANSWER DOWNLOAD EXAMIANS APP