Machine Design The helix angle for double helical gears may be made up to 60° 90° 75° 45° 60° 90° 75° 45° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Crowning on pulley helps To increase pulley life In decreasing the slip of the belt In increasing the slip of the belt To keep the belt in centre on a pulley while it is in motion To increase pulley life In decreasing the slip of the belt In increasing the slip of the belt To keep the belt in centre on a pulley while it is in motion ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearings of heavy series have capacity __________ over the medium series. 20 to 30% 10 to 20% 30 to 40% 40 to 50% 20 to 30% 10 to 20% 30 to 40% 40 to 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The coefficient of friction between the belt and pulley depends upon the All of these Slip of belt Speed of belt Material of belt and pulley All of these Slip of belt Speed of belt Material of belt and pulley 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
Machine Design A screw will be self locking, if Friction angle is equal to helix angle Friction angle is more than helix angle Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is equal to helix angle Friction angle is more than helix angle Efficiency of screw is 100% Friction angle is less than helix angle ANSWER DOWNLOAD EXAMIANS APP