Machine Design A hollow saddle key is A taper key which fits half in the key way of hub and half in the key way of shaft Provided in pairs at right angles and each key is to withstand torsion in one direction only A taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft A taper key which fits in a key way of the hub and is flat on the shaft A taper key which fits half in the key way of hub and half in the key way of shaft Provided in pairs at right angles and each key is to withstand torsion in one direction only A taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft A taper key which fits in a key way of the hub and is flat on the shaft 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 shearing resistance of the rivets None of these Equating tearing resistance of the plate to the crushing resistance of the rivets Equating shearing resistance to the crushing resistance of the rivets Equating tearing resistance of the plate to the shearing resistance of the rivets None of these Equating tearing resistance of the plate to the crushing resistance of the rivets Equating shearing resistance to the crushing resistance of the rivets ANSWER DOWNLOAD EXAMIANS APP
Machine Design If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to 1.5 × diameter of bolt 1.25 × diameter of bolt Diameter of bolt 0.75 × diameter of bolt 1.5 × diameter of bolt 1.25 × diameter of bolt Diameter of bolt 0.75 × diameter of bolt ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt is transmitting maximum power, the belt speed should be(Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N)) √(3m /Pmax) √(Pmax / 2m) √(Pmax / 3m) √(Pmax / m) √(3m /Pmax) √(Pmax / 2m) √(Pmax / 3m) √(Pmax / m) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft) 2d + 20 mm d + 17 mm 3.5 d 2d + 13 mm 2d + 20 mm d + 17 mm 3.5 d 2d + 13 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a spring is cut down into two springs, the stiffness of cut springs will be Double Half Same None of these Double Half Same None of these ANSWER DOWNLOAD EXAMIANS APP
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