Machine Design The maximum efficiency of a square threaded screw is (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The contact ratio for gears is Greater than one Zero None of these Less than one Greater than one Zero None of these Less than one ANSWER DOWNLOAD EXAMIANS APP
Machine Design The taper on a rectangular sunk key is 1 in 100 1 in 32 1 in 48 1 in 16 1 in 100 1 in 32 1 in 48 1 in 16 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cap screws are 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 Provided with detachable caps 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 Provided with detachable caps 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 Increase shank diameter Tighten die bolt properly Increase its length Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Increase shank diameter Tighten die bolt properly ANSWER DOWNLOAD EXAMIANS APP
Machine Design In Vickers hardness testing, the pyramid indentor apex is 152° 40° 136° 122° 152° 40° 136° 122° ANSWER DOWNLOAD EXAMIANS APP
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