Machine Design Yield point in fatigue loading as compared to static loading is Lower Same Depends on other factors Higher Lower Same Depends on other factors Higher ANSWER DOWNLOAD EXAMIANS APP
Machine Design Shaft coupling is used in machinery to All of these Introduce protection against over loads Introduce mechanical flexibility Reduce the transmission of shock loads All of these Introduce protection against over loads Introduce mechanical flexibility Reduce the transmission of shock loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 45° - φ/2 90° - φ 45° + φ/2 45° - φ 45° - φ/2 90° - φ 45° + φ/2 45° - φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design At low temperatures (say 75°C) the notched bar impact value of steel Decreases markedly Depends on heat treatment carried out Remain same Increases markedly Decreases markedly Depends on heat treatment carried out Remain same Increases markedly ANSWER DOWNLOAD EXAMIANS APP
Machine Design The permissible stress for carbon steel under static loading is generally taken as 3000-4000 kg/cm² 7500-10,000 kg/cm² 4000-4500 kg/cm² 2000-3000 kg/m² 3000-4000 kg/cm² 7500-10,000 kg/cm² 4000-4500 kg/cm² 2000-3000 kg/m² ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standards, the diameter of rivet hole is made larger than the basic size of rivet by 0.5 mm up to rivet diameter of 24 mm 1 mm for rivet diameter from 27 mm to 36 mm All of these 2 mm for rivet diameter from 39 mm to 48 mm 0.5 mm up to rivet diameter of 24 mm 1 mm for rivet diameter from 27 mm to 36 mm All of these 2 mm for rivet diameter from 39 mm to 48 mm ANSWER DOWNLOAD EXAMIANS APP
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