Machine Design The application of second type levers is found in Hand wheel of a punching press A pair of tongs Handle of a hand pump Lever of a loaded safety valve Hand wheel of a punching press A pair of tongs Handle of a hand pump Lever of a loaded safety valve ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two non-parallel or intersecting but coplanar shafts are connected by gears, the arrangement is known as, Bevel gearing Helical gearing None of these Worm gearing Bevel gearing Helical gearing None of these Worm gearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? The efficiency of a self locking screw can not be more than 50% 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 Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% 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 Acme (trapezoidal) thread is less than that of a square thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design I.S. specifies following total number of grades of tolerances 20 22 18 16 20 22 18 16 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a metal or alloy is cold worked, It is worked below recrystallization temperature Its hardness and strength increases None of these Both (A) and (B) It is worked below recrystallization temperature Its hardness and strength increases None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In oilness bearings The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Grease required to be applied after some intervals Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Grease required to be applied after some intervals Do not require external supply of lubricant ANSWER DOWNLOAD EXAMIANS APP
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