Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 90° - φ 45° - φ/2 45° + φ/2 45° - φ 90° - φ 45° - φ/2 45° + φ/2 45° - φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The function of cutting oil when threading a pipe is to Help removes chips Lubricate the dies All of these Provide cooling action Help removes chips Lubricate the dies All of these Provide cooling action ANSWER DOWNLOAD EXAMIANS APP
Machine Design The material commonly used for machine tool bodies is Mild steel Brass Aluminium Cast iron Mild steel Brass Aluminium Cast iron ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following welded joint is designed for shear strength? Butt welded joint Parallel fillet welded joint Transverse fillet welded joint All of these Butt welded joint Parallel fillet welded joint Transverse fillet welded joint All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be 4 10 8 6 4 10 8 6 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will Move towards left of the bearing making metal to metal contact Move towards right of the bearing making the metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making no metal to metal contact Move towards left of the bearing making metal to metal contact Move towards right of the bearing making the metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making no metal to metal contact ANSWER DOWNLOAD EXAMIANS APP
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