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 Slotted for a screw driver and generally used with a nut Similar to stud Used to prevent relative motion between parts Similar to small size tap bolts except that a greater variety of shapes of heads are available Slotted for a screw driver and generally used with a nut Similar to stud ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of idler pulley in belt drive is to Decrease the tendency of belt to slip Increase the power transmission capacity All the above objectives Increase the wrap angle and belt tension Decrease the tendency of belt to slip Increase the power transmission capacity All the above objectives Increase the wrap angle and belt tension ANSWER DOWNLOAD EXAMIANS APP
Machine Design The taper on cotter varies from 1 in 48 to 1 in 24 1 in 15 to 1 in 10 1 in 24 to 1 in 20 1 in 32 to 1 in 24 1 in 48 to 1 in 24 1 in 15 to 1 in 10 1 in 24 to 1 in 20 1 in 32 to 1 in 24 ANSWER DOWNLOAD EXAMIANS APP
Machine Design If T is the actual number of teeth on a helical gear and φ is the helix angle for the teeth, then formative number of teeth is written as T/sec³φ T sec³φ T cosecφ T sec²φ T/sec³φ T sec³φ T cosecφ T sec²φ 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 (according to Barth) will be equal to (Where, Pc is centrifugal tension) [⅟₂ × (P1 + P2)] + Pc [(√P1 + √P2)/2]² P1 + P2 ⅟₂× (P1 + P2) [⅟₂ × (P1 + P2)] + Pc [(√P1 + √P2)/2]² P1 + P2 ⅟₂× (P1 + P2) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are 1000 N-m and 500 N-m respectively. If the combined shock and fatigue factor for bending is 1.5 and combined shock and fatigue factor for torsion is 2, then the equivalent twisting moment for the shaft is 2100 N-m 2000 N-m 2136 N-m 2050 N-m 2100 N-m 2000 N-m 2136 N-m 2050 N-m ANSWER DOWNLOAD EXAMIANS APP
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