Machine Design The maximum efficiency of a square threaded screw is (1 - sinφ)/ (1 + sinφ) (1 + sinφ)/ (1 - sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 - sinφ)/ (1 + sinφ) (1 + sinφ)/ (1 - sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 10 N-m 5 N-m 15 N-m 7 N-m 10 N-m 5 N-m 15 N-m 7 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following material has the maximum ductility? Zinc Copper Mild steel Aluminium Zinc Copper Mild steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Machine Design The period during which the cam follower remains at rest, when cam moves, is known as Dwell period Idle period Constant period Fixed period Dwell period Idle period Constant period Fixed period ANSWER DOWNLOAD EXAMIANS APP
Machine Design The plasticity is the property of a material which enables it to Resist fracture due to high impact loads Retain deformation produced under load permanently Regain its original shape after deformation when the external forces are removed Draw into wires by the application of a tensile force Resist fracture due to high impact loads Retain deformation produced under load permanently Regain its original shape after deformation when the external forces are removed Draw into wires by the application of a tensile force ANSWER DOWNLOAD EXAMIANS APP
Machine Design The railway carriage couplings have Knuckle threads Buttress threads Square threads Acme threads Knuckle threads Buttress threads Square threads Acme threads ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS