Machine Design The helix angle for double helical gears may be made up to 45° 75° 60° 90° 45° 75° 60° 90° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Idler pulley is used for For applying tension Increasing velocity ratio Changing the direction of motion of belt All of these For applying tension Increasing velocity ratio Changing the direction of motion of belt All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The process extensively used for making bolts and nuts is Cold peening Hot piercing Cold heading Extrusion Cold peening Hot piercing Cold heading Extrusion ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a connecting rod, it is considered like __________ for buckling about Y-axis. Both ends fixed One end fixed and the other end free Both ends hinged One end fixed and the other end hinged Both ends fixed One end fixed and the other end free Both ends hinged One end fixed and the other end hinged 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% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) 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% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design In oilness bearings Grease required to be applied after some intervals The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant Grease required to be applied after some intervals The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant ANSWER DOWNLOAD EXAMIANS APP
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