Machine Design When carbon in the cast iron is principally in the form of graphite, the cast iron will be of Yellow colour Brown colour White colour Grey colour Yellow colour Brown colour White colour Grey colour ANSWER DOWNLOAD EXAMIANS APP
Machine Design At low temperatures (say 75°C) the notched bar impact value of steel Decreases markedly Increases markedly Remain same Depends on heat treatment carried out Decreases markedly Increases markedly Remain same Depends on heat treatment carried out 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 Flat saddle key Wood ruff key Gib-head key Feather key Flat saddle key Wood ruff key Gib-head key Feather key ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? The efficiency of Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of a self locking screw can not be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of a self locking screw can not be more than 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be _________ the bearing modulus. 15 times 5 times 10 times 20 times 15 times 5 times 10 times 20 times ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 6/(6 + v) 3/(3 + v) 0.75/(0.75 + √v) 4.5/(4.5 + v) 6/(6 + v) 3/(3 + v) 0.75/(0.75 + √v) 4.5/(4.5 + v) ANSWER DOWNLOAD EXAMIANS APP
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