Machine Design In static loading, stress concentration is more serious in Ductile materials Brittle as well as ductile materials Brittle materials Elastic materials Ductile materials Brittle as well as ductile materials Brittle materials Elastic materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 45° - φ/2 90° - φ 45° - φ 45° + φ/2 45° - φ/2 90° - φ 45° - φ 45° + φ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Aircraft body is usually fabricated by Welding Pre-casting Riveting Casting Welding Pre-casting Riveting Casting ANSWER DOWNLOAD EXAMIANS APP
Machine Design Allen bolts are Designed for shock load Self locking bolts Provided with hexagonal depression in head Used in aircraft application Designed for shock load Self locking bolts Provided with hexagonal depression in head Used in aircraft application ANSWER DOWNLOAD EXAMIANS APP
Machine Design Crowning on pulley helps 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 To increase pulley life In decreasing the slip of the belt In increasing the slip of the belt 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 W/9 8W/9 2W/3 W/2 W/9 8W/9 ANSWER DOWNLOAD EXAMIANS APP