Machine Design Rankine Gordon formula for buckling is valid for Short column Long column Very long column Short and long column Short column Long column Very long column Short and long column ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? 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% The efficiency of Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Machine Design If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation 151 d 168 d 138 d 124 d 151 d 168 d 138 d 124 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following bearing is preferred for oscillating conditions? Angular contact single row ball bearing Taper roller bearing Needle roller bearing Double row roller bearing Angular contact single row ball bearing Taper roller bearing Needle roller bearing Double row roller bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a close coiled helical spring is compressed, its wire is subjected to All of these Tension Shear Compression All of these Tension Shear Compression ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v). 20 m/s 12.5 m/s 10 m/s 15 m/s 20 m/s 12.5 m/s 10 m/s 15 m/s ANSWER DOWNLOAD EXAMIANS APP
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