Machine Design When a metal or alloy is cold worked, Both (A) and (B) None of these Its hardness and strength increases It is worked below recrystallization temperature Both (A) and (B) None of these Its hardness and strength increases It is worked below recrystallization temperature ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be τ 2 τ 4 τ τ/2 τ 2 τ 4 τ τ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The tension on the slack side of the belt is __________ the tension on the tight side of the belt. Equal to Less than None of these Greater than Equal to Less than None of these Greater than ANSWER DOWNLOAD EXAMIANS APP
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 Mitre gears Internal bevel gears Crown bevel gears Angular bevel gears Mitre gears Internal bevel gears Crown bevel gears Angular bevel gears ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrostatic bearings Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure The Oil film pressure is generated only by the rotation of the journal Grease is used for lubrication Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure The Oil film pressure is generated only by the rotation of the journal Grease is used for lubrication ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two non-intersecting and non-coplanar shafts are connected by gears, the arrangement is known as Bevel gearing Spiral gearing Spur gearing Helical gearing Bevel gearing Spiral gearing Spur gearing Helical gearing ANSWER DOWNLOAD EXAMIANS APP