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 P F.P F F + P P F.P F F + P ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following screw thread is used for power transmission in one direction only? Buttress threads Square threads Acme threads Multiple threads Buttress threads Square threads Acme threads Multiple threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The helix angle for double helical gears may be made up to 45° 90° 75° 60° 45° 90° 75° 60° ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by Would depend upon other factors Increasing the cross-section area of bar Decreasing the cross-section area of bar Remain unaffected with cross-section area Would depend upon other factors Increasing the cross-section area of bar Decreasing the cross-section area of bar Remain unaffected with cross-section area ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., when the thickness of the boiler shell (t) is less than 8 mm, then the diameter of the rivet hole (d) is obtained by Equating tearing resistance of the plate to the crushing resistance of the rivets Equating shearing resistance to the crushing resistance of the rivets None of these Equating tearing resistance of the plate to the shearing resistance of the rivets Equating tearing resistance of the plate to the crushing resistance of the rivets Equating shearing resistance to the crushing resistance of the rivets None of these Equating tearing resistance of the plate to the shearing resistance of the rivets ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a marine flange coupling, the thickness of flange is taken as d/2 d/3 d/4 3d/4 d/2 d/3 d/4 3d/4 ANSWER DOWNLOAD EXAMIANS APP
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