Machine Design Three different weights fall from a certain height under vacuum. They will take None of these Times proportional to weight to reach earth Times inversely proportional to weight to reach earth Same time to reach earth None of these Times proportional to weight to reach earth Times inversely proportional to weight to reach earth Same time to reach earth ANSWER DOWNLOAD EXAMIANS APP
Machine Design The draw of cotter should not be more than 6 mm 12 mm 8 mm 3 mm 6 mm 12 mm 8 mm 3 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design Idler pulley is used for For applying tension Changing the direction of motion of belt All of these Increasing velocity ratio For applying tension Changing the direction of motion of belt All of these Increasing velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Machine Design A woodruff key is A tapered key with head at one end All of these Capable of tilting in a recess milled out in the shaft Fitted in pairs at right angles A tapered key with head at one end All of these Capable of tilting in a recess milled out in the shaft Fitted in pairs at right angles 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/2 90° - φ 45° - φ 45° - φ/2 45° + φ/2 90° - φ 45° - φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bench vice has following type of threads Acme Buttress Square Metric Acme Buttress Square Metric ANSWER DOWNLOAD EXAMIANS APP