Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (according to Barth) will be equal to (Where, Pc is centrifugal tension) ⅟₂× (P1 + P2) [⅟₂ × (P1 + P2)] + Pc P1 + P2 [(√P1 + √P2)/2]² ⅟₂× (P1 + P2) [⅟₂ × (P1 + P2)] + Pc P1 + P2 [(√P1 + √P2)/2]² ANSWER DOWNLOAD EXAMIANS APP
Machine Design When screw threads are to be used in a situation where power is being transmitted in one direction only, then the screw threads suitable for this will be Acme threads Square threads Knuckle threads Buttress threads Acme threads Square threads Knuckle threads Buttress threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The material used for brake lining should have __________ coefficient of friction. Moderate None of these High Low Moderate None of these High Low ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is not correct procedure to increase the fatigue limit? Cold working Surface decarburisation Under stressing Shot peening Cold working Surface decarburisation Under stressing Shot peening ANSWER DOWNLOAD EXAMIANS APP
Machine Design In oilness bearings Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal Grease required to be applied after some intervals The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal Grease required to be applied after some intervals The oil film is maintained by supplying oil under pressure ANSWER DOWNLOAD EXAMIANS APP
Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 5 N-m 10 N-m 15 N-m 7 N-m 5 N-m 10 N-m 15 N-m 7 N-m ANSWER DOWNLOAD EXAMIANS APP
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