Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 0.75/(0.75 + √v) 6/(6 + v) 4.5/(4.5 + v) 3/(3 + v) 0.75/(0.75 + √v) 6/(6 + v) 4.5/(4.5 + v) 3/(3 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by Where m = mass of belt per meter (kg/m) v = belt velocity (m/s) f = coefficient of friction a = angle of wrap (radians) (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cam follower generally used in automobile engines is Spherical faced follower Flat faced follower Roller follower Knife edge follower Spherical faced follower Flat faced follower Roller follower Knife edge follower ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is 1 micron 0.1 micron 0.01 micron 10 microns 1 micron 0.1 micron 0.01 micron 10 microns ANSWER DOWNLOAD EXAMIANS APP
Machine Design A sliding bearing in which although lubricant is present, the working surfaces __________ contact each other at least part of the time, is called boundary lubricated bearing. Fully Partially None of these Either A or B Fully Partially None of these Either A or B ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following pipe joints would be suitable for pipes carrying steam? Threaded Bell and spigot Flanged Expansion Threaded Bell and spigot Flanged Expansion ANSWER DOWNLOAD EXAMIANS APP
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