Machine Design When a close coiled helical spring is compressed, its wire is subjected to Compression All of these Tension Shear Compression All of these Tension Shear ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring index is Load required to produce unit deflection Ratio of coil diameter to wire diameter Indication of quality of spring Its capability of storing energy Load required to produce unit deflection Ratio of coil diameter to wire diameter Indication of quality of spring Its capability of storing energy 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/9 W/2 8W/9 2W/3 W/9 W/2 8W/9 2W/3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value? Maximum shear stress theory Maximum principal stress theory Maximum strain energy theory Maximum distortion energy theory Maximum shear stress theory Maximum principal stress theory Maximum strain energy theory Maximum distortion energy theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for precision metallic gears cut with high accuracy and operating at velocities up to 20 m/s is equal to 4.5/ (4.5 + v) 0.75/ (0.75 + √v) 6/ (6 + v) 3/ (3 + v) 4.5/ (4.5 + v) 0.75/ (0.75 + √v) 6/ (6 + v) 3/ (3 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A taper key which fits half in the key way of the hub and half in the key way of shaft, is known as Angular bevel gears Crown Bevel gears Internal bevel gears Mitre gears Angular bevel gears Crown Bevel gears Internal bevel gears Mitre gears ANSWER DOWNLOAD EXAMIANS APP
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