Machine Design For tight leakage joints, following type of thread is best suited NPT (national pipe threads). Metric Buttress Square NPT (national pipe threads). Metric Buttress Square 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 2W/3 W/2 8W/9 W/9 2W/3 W/2 8W/9 W/9 ANSWER DOWNLOAD EXAMIANS APP
Machine Design An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock load produced can be reduced by Decreasing the modulus of elasticity of the bar All of these Decreasing the cross-sectional area of the bar Increasing the length of bar Decreasing the modulus of elasticity of the bar All of these Decreasing the cross-sectional area of the bar Increasing the length of bar ANSWER DOWNLOAD EXAMIANS APP
Machine Design The included angle between the sides of V-belt is 38° 40° 45° 60° 38° 40° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The standard length of the shaft is 5 m 7 m All of these 6 m 5 m 7 m All of these 6 m ANSWER DOWNLOAD EXAMIANS APP
Machine Design For hardening alloy steels and high speed steels, they are heated to 500 to 600°C 700 to 900°C 1100 to 1300°C 1300 to 1500°C 500 to 600°C 700 to 900°C 1100 to 1300°C 1300 to 1500°C ANSWER DOWNLOAD EXAMIANS APP
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