Machine Design The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress. One-fourth One-half Double One-third One-fourth One-half Double One-third ANSWER DOWNLOAD EXAMIANS APP
Machine Design The distribution of the forces along the length of key fitted in a shaft Varies exponentially, being more near the torque-input end Varies exponentially, being less near the torque-input end Is uniform throughout Varies linearly Varies exponentially, being more near the torque-input end Varies exponentially, being less near the torque-input end Is uniform throughout Varies linearly ANSWER DOWNLOAD EXAMIANS APP
Machine Design If two springs are in parallel then their overall stiffness will be Double Half Same None of these Double Half Same None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress which vary from a minimum value to a maximum value of the same nature (i.e. tensile or compressive) is called Yield stress Repeated stress Fluctuating stress Alternating stress Yield stress Repeated stress Fluctuating stress Alternating stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centre distance between two meshing involute gears is equal to Sum of pitch circle radii/cosφ Sum of base circle radii/cosφ Difference of base circle radii/cosφ Difference of pitch circle radii/cosφ Sum of pitch circle radii/cosφ Sum of base circle radii/cosφ Difference of base circle radii/cosφ Difference of pitch circle radii/cosφ 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