Machine Design In order to permit the thermal expansion/contraction of tubing, it should be Bent Honed Flared Crimped Bent Honed Flared Crimped 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 45° - φ 45° + φ/2 90° - φ 45° - φ/2 45° - φ 45° + φ/2 90° - φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts ‘A’ and ‘B’ under pure torsion are of identical length and identical weight and are made of the same material. The shaft ‘A’ is solid and the shaft ‘B’ is hollow. We can say that Both the shafts are equally good Shaft B is better than shaft A None of these Shaft A is better than shaft B Both the shafts are equally good Shaft B is better than shaft A None of these Shaft A is better than shaft B 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 crushing resistance of the rivets None of these Equating tearing resistance of the plate to the shearing resistance of the rivets Equating shearing resistance to the crushing resistance of the rivets Equating tearing resistance of the plate to the crushing resistance of the rivets None of these Equating tearing resistance of the plate to the shearing resistance of the rivets Equating shearing resistance to the crushing resistance of the rivets ANSWER DOWNLOAD EXAMIANS APP
Machine Design A woodruff key is All of these Fitted in pairs at right angles Capable of tilting in a recess milled out in the shaft A tapered key with head at one end All of these Fitted in pairs at right angles Capable of tilting in a recess milled out in the shaft A tapered key with head at one end ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a load W is applied instantaneously on a bar; Then the stress induced in bar will Be independent of ratio of mass of load W to mass of bar (y) Increase with increase in y Decrease with decrease in y Depend on other considerations Be independent of ratio of mass of load W to mass of bar (y) Increase with increase in y Decrease with decrease in y Depend on other considerations ANSWER DOWNLOAD EXAMIANS APP
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