Machine Design Pick up wrong statement. Fatigue strength can be increased by Shot peening Grinding and lapping surface Hot working Cold working Shot peening Grinding and lapping surface Hot working Cold working ANSWER DOWNLOAD EXAMIANS APP
Machine Design A pressure vessel is said to be a thick shell, if the ratio of wall thickness to its diameter is None of these Greater than 1/10 Less than 1/10 Equal to 1/10 None of these Greater than 1/10 Less than 1/10 Equal to 1/10 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d = Dia. of rivet hole, and σt = Permissible tensile stress for plate material) p.t.σt (p - d) t.σt p.d.σt p.t.σt (p - d) t.σt p.d.σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if the Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is equal to helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is equal to helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be 3W/A 2W/A W/A W/2A 3W/A 2W/A W/A W/2A ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts ‘A’ and ‘B’ under pure torsion are of identical length and identical weight and are made of the same material. The shaft ‘A’ is solid and the shaft ‘B’ is hollow. We can say that Both the shafts are equally good Shaft B is better than shaft A Shaft A is better than shaft B None of these Both the shafts are equally good Shaft B is better than shaft A Shaft A is better than shaft B None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS