Machine Design The stress in the threaded part of the bolt will be __________ as compared to the shank. Higher None of these Lower Same Higher None of these Lower Same ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is F P F + P F.P F P F + P F.P ANSWER DOWNLOAD EXAMIANS APP
Machine Design The building up of worn and undersized parts, subjected to repeated loads by electroplating is Has no effect as regards fatigue strength Best method Extremely hazardous Cheapest method Has no effect as regards fatigue strength Best method Extremely hazardous Cheapest method ANSWER DOWNLOAD EXAMIANS APP
Machine Design Ball bearing type screws are found in following application Screw jack Crane Aeroplane engines Steering mechanism Screw jack Crane Aeroplane engines Steering mechanism ANSWER DOWNLOAD EXAMIANS APP
Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (neglecting centrifugal tension) will be equal to (Where, Pc is centrifugal tension) P1 - P2 [⅟₂ × (P1 + P2)] + Pc P1 + P2 ⅟₂ × (P1 + P2) P1 - P2 [⅟₂ × (P1 + P2)] + Pc P1 + P2 ⅟₂ × (P1 + P2) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are εc and εl respectively. The change in volume of the boiler cylinder per unit volume will be εc + εl² εc² + εl εc + 2εl 2εc + εl εc + εl² εc² + εl εc + 2εl 2εc + εl ANSWER DOWNLOAD EXAMIANS APP
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