Machine Design Which of the following statement is correct regarding power screws? The efficiency of a self locking screw can not be more than 50% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following pipe joints would be suitable for pipes carrying steam? Flanged Threaded Bell and spigot Expansion Flanged Threaded Bell and spigot Expansion ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standards, total numbers of tolerance grades are 18 12 8 20 18 12 8 20 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cam follower extensively used in aircraft engines is Knife edge follower Flat faced follower Spherical faced follower Roller follower Knife edge follower Flat faced follower Spherical faced follower Roller follower ANSWER DOWNLOAD EXAMIANS APP
Machine Design Resilience of a material is important, when it is subjected to Combined loading Shock loading Thermal stresses Fatigue Combined loading Shock loading Thermal stresses Fatigue ANSWER DOWNLOAD EXAMIANS APP
Machine Design The elasticity is the property of a material which enables it to Resists fracture due to high impact loads Retain deformation produced under load permanently Draw into wires by the application of a tensile force Regains its original shape after deformation when the external forces are removed Resists fracture due to high impact loads Retain deformation produced under load permanently Draw into wires by the application of a tensile force Regains its original shape after deformation when the external forces are removed ANSWER DOWNLOAD EXAMIANS APP
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