Machine Design In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole to the nearest edge of the plate in terms of dia. of rivet d should be equal to 1.5 d 1.75 d 1 d 1.25 d 1.5 d 1.75 d 1 d 1.25 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design At low temperatures (say 75°C) the notched bar impact value of steel Depends on heat treatment carried out Decreases markedly Remain same Increases markedly Depends on heat treatment carried out Decreases markedly Remain same Increases markedly ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tapered key which fits in a key way in the hub and is flat on the shaft, is known as Gib-head key Wood ruff key Feather key Flat saddle key Gib-head key Wood ruff key Feather key Flat saddle key ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be 45 to 60% 70 to 83% 63 to 70% 80 to 90% 45 to 60% 70 to 83% 63 to 70% 80 to 90% ANSWER DOWNLOAD EXAMIANS APP
Machine Design Pick up wrong statement. Fatigue strength can be increased by Hot working Cold working Shot peening Grinding and lapping surface Hot working Cold working Shot peening Grinding and lapping surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a shoe brake, the equivalent coefficient of friction is equal to (where μ = Actual coefficient of friction, and θ = Semi-block angle) 4μ sinθ/(2θ + sin 2θ) 4μ sinθ/(θ + sinθ) 2μ sinθ/(θ + sinθ) μ sinθ/(2θ + sin 2θ) 4μ sinθ/(2θ + sin 2θ) 4μ sinθ/(θ + sinθ) 2μ sinθ/(θ + sinθ) μ sinθ/(2θ + sin 2θ) ANSWER DOWNLOAD EXAMIANS APP