Machine Design The form factor of a helical gear __________ with the increase in the helix angle. Decreases Increases Remains constant None of these Decreases Increases Remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Allen bolts are Designed for shock load Self locking bolts Used in aircraft application Provided with hexagonal depression in head Designed for shock load Self locking bolts Used in aircraft application Provided with hexagonal depression in head ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be 2 τ τ/2 τ 4 τ 2 τ τ/2 τ 4 τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (neglecting centrifugal tension) will be equal to (Where, Pc is centrifugal tension) P1 + P2 [⅟₂ × (P1 + P2)] + Pc ⅟₂ × (P1 + P2) P1 - P2 P1 + P2 [⅟₂ × (P1 + P2)] + Pc ⅟₂ × (P1 + P2) P1 - P2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The following type of nut is used with alien bolt Castle nut Slotted nut Hexagonal nut Any one of the above Castle nut Slotted nut Hexagonal nut Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a butt welded joint, the size of weld is __________ the throat of weld. 0.5 times Equal to 2 times Double 0.5 times Equal to 2 times Double ANSWER DOWNLOAD EXAMIANS APP