Machine Design The notch angle of the Izod impact test specimen is 30° 10° 45° 20° 30° 10° 45° 20° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue life of a part can be improved by Shot peening Electroplating Coating Polishing Shot peening Electroplating Coating Polishing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The value of Lewis form factor used in design of gears is Independent of size of teeth Dependent on system of teeth All of these Dependent on number of teeth of a gear Independent of size of teeth Dependent on system of teeth All of these Dependent on number of teeth of a gear ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centre distance between two meshing involute gears is equal to Difference of base circle radii/cosφ Difference of pitch circle radii/cosφ Sum of base circle radii/cosφ Sum of pitch circle radii/cosφ Difference of base circle radii/cosφ Difference of pitch circle radii/cosφ Sum of base circle radii/cosφ Sum of pitch circle radii/cosφ ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is increased, then the pressure angle Remains unchanged Increases None of these Decreases Remains unchanged Increases None of these Decreases 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 8W/9 2W/3 W/2 W/9 8W/9 2W/3 W/2 W/9 ANSWER DOWNLOAD EXAMIANS APP