Machine Design The velocity factor for precision metallic gears cut with high accuracy and operating at velocities up to 20 m/s is equal to 0.75/ (0.75 + √v) 4.5/ (4.5 + v) 6/ (6 + v) 3/ (3 + v) 0.75/ (0.75 + √v) 4.5/ (4.5 + v) 6/ (6 + v) 3/ (3 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cam follower generally used in automobile engines is Flat faced follower Roller follower Spherical faced follower Knife edge follower Flat faced follower Roller follower Spherical faced follower Knife edge follower ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a metal or alloy is cold worked, Its hardness and strength increases Both (A) and (B) It is worked below recrystallization temperature None of these Its hardness and strength increases Both (A) and (B) It is worked below recrystallization temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cross-section of the arm of a bell crank lever is Rectangular Any one of these Elliptical I-section Rectangular Any one of these Elliptical I-section ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tensile strength of a mild steel specimen can be roughly predicted from following hardness test Vickers None of these Brinell Rockwell Vickers None of these Brinell Rockwell ANSWER DOWNLOAD EXAMIANS APP
Machine Design If an application calls for stresses on screw threads in one direction only, then the following type of thread would be best suited BSW Buttress Acme Square BSW Buttress Acme Square ANSWER DOWNLOAD EXAMIANS APP
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