Machine Design The temperature at which the new grains are formed in the metal is known as Upper critical temperature Lower critical temperature None of these Recrystallization temperature Upper critical temperature Lower critical temperature None of these Recrystallization temperature ANSWER DOWNLOAD EXAMIANS APP
Machine Design The difference between the tooth space and the tooth thickness as measured on the pitch circle, is called Working depth Backlash Face width Clearance Working depth Backlash Face width Clearance ANSWER DOWNLOAD EXAMIANS APP
Machine Design In helical gears, the distance between similar faces of adjacent teeth along a helix on the pitch cylinders normal to the teeth, is called Normal pitch Diametral pitch Module Axial pitch Normal pitch Diametral pitch Module Axial pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design A triple riveted butt joint with double straps of unequal width is to be designed for a boiler shell. The pitch of the rivets in the outer row is double the pitch in the inner row and zigzag riveting is proposed. Which of the following statement is correct? There are four rivets per pitch length, all in double shear There are five rivets per pitch length, all in double shear There are four rivets per pitch length, out of which two are in single shear and two are in double shear There are five rivets per pitch length, out of which four are in double shear and one is in single shear There are four rivets per pitch length, all in double shear There are five rivets per pitch length, all in double shear There are four rivets per pitch length, out of which two are in single shear and two are in double shear There are five rivets per pitch length, out of which four are in double shear and one is in single shear ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 45° - φ/2 45° - φ 45° + φ/2 90° - φ 45° - φ/2 45° - φ 45° + φ/2 90° - φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design If T is the actual number of teeth on a helical gear and φ is the helix angle for the teeth, then formative number of teeth is written as T/sec³φ T sec³φ T sec²φ T cosecφ T/sec³φ T sec³φ T sec²φ T cosecφ ANSWER DOWNLOAD EXAMIANS APP