Machine Design The material commonly used for machine tool bodies is Mild steel Aluminium Brass Cast iron Mild steel Aluminium Brass Cast iron ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if its efficiency is Equal to 50% None of these More than 50% Less than 50% Equal to 50% None of these More than 50% Less than 50% 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 Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) The efficiency of a self locking screw can not be more than 50% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) The efficiency of a self locking screw can not be more than 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called Hydrodynamic lubricated bearing Hydrostatic lubricated bearing Zero film bearing Boundary lubricated bearing Hydrodynamic lubricated bearing Hydrostatic lubricated bearing Zero film bearing Boundary lubricated bearing 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 five rivets per pitch length, out of which four are in double shear and one is in single shear There are five rivets per pitch length, all in double shear There are four 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 five rivets per pitch length, all in double shear There are four 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standards, the diameter of rivet hole is made larger than the basic size of rivet by 2 mm for rivet diameter from 39 mm to 48 mm 1 mm for rivet diameter from 27 mm to 36 mm 0.5 mm up to rivet diameter of 24 mm All of these 2 mm for rivet diameter from 39 mm to 48 mm 1 mm for rivet diameter from 27 mm to 36 mm 0.5 mm up to rivet diameter of 24 mm All of these ANSWER DOWNLOAD EXAMIANS APP