Machine Design The endurance limit for a mirror polished material will be __________ as compared to unpolished material. Same None of these Less More Same None of these Less More ANSWER DOWNLOAD EXAMIANS APP
Machine Design Idler pulley is used for For applying tension Increasing velocity ratio All of these Changing the direction of motion of belt For applying tension Increasing velocity ratio All of these Changing the direction of motion of belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 45° 67.5° 22.5° 90° 45° 67.5° 22.5° 90° ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to obtain bolt of uniform strength 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 Increase its length 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) [⅟₂ × (P1 + P2)] + Pc P1 + P2 P1 - P2 ⅟₂ × (P1 + P2) [⅟₂ × (P1 + P2)] + Pc P1 + P2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The size of a cam depends upon Pitch curve Base circle Prime circle Pitch circle Pitch curve Base circle Prime circle Pitch circle ANSWER DOWNLOAD EXAMIANS APP
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