Machine Design Three different weights fall from a certain height under vacuum. They will take Times proportional to weight to reach earth None of these Same time to reach earth Times inversely proportional to weight to reach earth Times proportional to weight to reach earth None of these Same time to reach earth Times inversely proportional to weight to reach earth ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a steam engine, the piston rod is usually connected to the cross-head by means of a Oldham coupling Knuckle joint Universal joint Cotter joint Oldham coupling Knuckle joint Universal joint Cotter joint ANSWER DOWNLOAD EXAMIANS APP
Machine Design The longitudinal joint in boilers is used to get the required Length and diameter of boiler Diameter of boiler Length of boiler Efficiency of boiler Length and diameter of boiler Diameter of boiler Length of boiler Efficiency of boiler ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? The efficiency of Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of a self locking screw can not be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of a self locking screw can not be more than 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearing characteristic number in a hydrodynamic bearing depends upon Length, width and speed Length, width and load Viscosity, speed and load Viscosity, speed and bearing pressure Length, width and speed Length, width and load Viscosity, speed and load Viscosity, speed and bearing pressure ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a marine flange coupling, the pitch circle diameter of bolts is taken as 1.2 d 2.5 d 1.6 d 2 d 1.2 d 2.5 d 1.6 d 2 d ANSWER DOWNLOAD EXAMIANS APP