Machine Design When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) 0.5 d 1.25 d d 0.75 d 0.5 d 1.25 d d 0.75 d 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 Increases markedly Remain same Decreases markedly Depends on heat treatment carried out Increases markedly Remain same ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to permit the thermal expansion/contraction of tubing, it should be Honed Bent Flared Crimped Honed Bent Flared Crimped ANSWER DOWNLOAD EXAMIANS APP
Machine Design The temperature at which the new grains are formed in the metal is known as Lower critical temperature Recrystallization temperature None of these Upper critical temperature Lower critical temperature Recrystallization temperature None of these Upper critical temperature ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following has threads at both ends? None of these Bolt Stud Tap bolt None of these Bolt Stud Tap bolt ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to W/2 2W/3 W/9 8W/9 W/2 2W/3 W/9 8W/9 ANSWER DOWNLOAD EXAMIANS APP
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