Machine Design The helix angle for single helical gears ranges from 15° to 20° 20° to 35° 10° to 15° 35° to 50° 15° to 20° 20° to 35° 10° to 15° 35° to 50° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The dedendum circle diameter is equal to (where φ = Pressure angle) Addendum circle diameter × cosφ Pitch circle diameter × sinφ Clearance circle diameter × cosφ Pitch circle diameter × cosφ Addendum circle diameter × cosφ Pitch circle diameter × sinφ Clearance circle diameter × cosφ Pitch circle diameter × cosφ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of driving tensions in V-belt drives is __________ flat belt drives. sin α times less than cosec α times more than sin α times more than Equal to sin α times less than cosec α times more than sin α times more than Equal to ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? 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% The efficiency of Acme (trapezoidal) thread is less than that of a square thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design Basic hole is one Whose lower as well as upper deviations are zero Whose lower deviation is zero Whose upper deviation is zero Does not exist Whose lower as well as upper deviations are zero Whose lower deviation is zero Whose upper deviation is zero Does not exist ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness of plate (t) is given by (where d and t are in mm) d = 6√t d = √t d = 1.6√t d = 2√t d = 6√t d = √t d = 1.6√t d = 2√t ANSWER DOWNLOAD EXAMIANS APP
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