Machine Design In a marine flange coupling, the pitch circle diameter of bolts is taken as 1.6 d 2 d 2.5 d 1.2 d 1.6 d 2 d 2.5 d 1.2 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design In block brakes, the ratio of shoe width to wheel diameter is taken between 0.25 and 0.50 0.75 and 1 0.1 and 0.25 0.50 and 0.75 0.25 and 0.50 0.75 and 1 0.1 and 0.25 0.50 and 0.75 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to 1 T 4 T T/2 2 T 1 T 4 T T/2 2 T ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrodynamic bearings The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant Grease is used for lubrication The oil film is maintained by supplying oil under pressure The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant Grease is used for lubrication The oil film is maintained by supplying oil under pressure ANSWER DOWNLOAD EXAMIANS APP
Machine Design Ball bearing type screws are found in following application Screw jack Aeroplane engines Crane Steering mechanism Screw jack Aeroplane engines Crane Steering mechanism ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub) d/2 d/8 d/6 d/4 d/2 d/8 d/6 d/4 ANSWER DOWNLOAD EXAMIANS APP