Machine Design Buttress threads are usually found on Railway carriage couplings Screw cutting lathes Spindles of bench vices Feed mechanisms Railway carriage couplings Screw cutting lathes Spindles of bench vices Feed mechanisms ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rated life of a bearing varies Inversely as square of load Inversely as fourth power of load Inversely as cube of load Directly as load Inversely as square of load Inversely as fourth power of load Inversely as cube of load Directly as load ANSWER DOWNLOAD EXAMIANS APP
Machine Design The helix angle for single helical gears ranges from 15° to 20° 10° to 15° 35° to 50° 20° to 35° 15° to 20° 10° to 15° 35° to 50° 20° to 35° ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a metal or alloy is cold worked, None of these Both (A) and (B) Its hardness and strength increases It is worked below recrystallization temperature None of these Both (A) and (B) Its hardness and strength increases It is worked below recrystallization temperature ANSWER DOWNLOAD EXAMIANS APP
Machine Design In oilness bearings Do not require external supply of lubricant Grease required to be applied after some intervals The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant Grease required to be applied after some intervals The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing. Thick film Thin film None of these Either A or B Thick film Thin film None of these Either A or B ANSWER DOWNLOAD EXAMIANS APP