Machine Design A feather key is generally Tight in both shaft and hub Loose in shaft and tight in hub Tight in shaft and loose in hub Loose in both shaft and hub Tight in both shaft and hub Loose in shaft and tight in hub Tight in shaft and loose in hub Loose in both shaft and hub 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 τ/2 2 τ 4 τ τ τ/2 2 τ 4 τ τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design Set screws are Used to prevent relative motion between parts Similar to small size tap bolts except that a greater variety of shapes of heads are available Similar to stud Slotted for a screw driver and generally used with a nut Used to prevent relative motion between parts Similar to small size tap bolts except that a greater variety of shapes of heads are available Similar to stud Slotted for a screw driver and generally used with a nut ANSWER DOWNLOAD EXAMIANS APP
Machine Design The draw of cotter should not be more than 3 mm 6 mm 12 mm 8 mm 3 mm 6 mm 12 mm 8 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design Shaft coupling is used in machinery to Introduce protection against over loads Introduce mechanical flexibility All of these Reduce the transmission of shock loads Introduce protection against over loads Introduce mechanical flexibility All of these Reduce the transmission of shock loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to obtain bolt of uniform strength Increase its length Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Tighten die bolt properly Increase shank diameter Increase its length Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Tighten die bolt properly Increase shank diameter ANSWER DOWNLOAD EXAMIANS APP
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