Machine Design The maximum efficiency of a square threaded screw is (1 - sinφ)/ (1 + sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 + sinφ)/ (1 - sinφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design At low temperatures (say 75°C) the notched bar impact value of steel Decreases markedly Increases markedly Depends on heat treatment carried out Remain same Decreases markedly Increases markedly Depends on heat treatment carried out Remain same ANSWER DOWNLOAD EXAMIANS APP
Machine Design A coupling used to connect two perfectly aligned shafts, is Flange coupling Muff coupling All of these Compression coupling Flange coupling Muff coupling All of these Compression coupling ANSWER DOWNLOAD EXAMIANS APP
Machine Design The difference between the upper limit and lower limit of a dimension is called Tolerance Basic size Actual size Nominal size Tolerance Basic size Actual size Nominal size ANSWER DOWNLOAD EXAMIANS APP
Machine Design Antifriction bearings are Hydrodynamic bearings None of these Thin lubricated bearings Sleeve bearings Hydrodynamic bearings None of these Thin lubricated bearings Sleeve bearings ANSWER DOWNLOAD EXAMIANS APP
Machine Design The power transmitted by belt drive depends upon All of these Arc of contact Initial belt tension Belt velocity All of these Arc of contact Initial belt tension Belt velocity ANSWER DOWNLOAD EXAMIANS APP
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