Machine Design The maximum efficiency of a square threaded screw is (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)/ (1 - sinφ) (1 + sinφ)/ (1 - sinφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A metal pipe of 1 m diameter contains a fluid having a pressure of 1 N/mm². If the permissible tensile stress in the metal is 20 N/mm², then the thickness of the metal required for making the pipe will be 15 mm 5 mm 25 mm 10 mm 15 mm 5 mm 25 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for Safety Reducing stress concentration Fullering and caulking Ease of manufacture Safety Reducing stress concentration Fullering and caulking Ease of manufacture ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centre distance between two meshing involute gears is equal to Sum of base circle radii/cosφ Sum of pitch circle radii/cosφ Difference of pitch circle radii/cosφ Difference of base circle radii/cosφ Sum of base circle radii/cosφ Sum of pitch circle radii/cosφ Difference of pitch circle radii/cosφ Difference of base circle radii/cosφ ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a turnbuckle, if one of the rods has left hand threads, then the other rod will have Pointed threads Right hand threads Multiple threads Left hand threads Pointed threads Right hand threads Multiple threads Left hand threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The included angle for the British standard whitworth thread is 29° 60° 55° 47.5° 29° 60° 55° 47.5° ANSWER DOWNLOAD EXAMIANS APP
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