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 The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by Where m = mass of belt per meter (kg/m) v = belt velocity (m/s) f = coefficient of friction a = angle of wrap (radians) P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a partial journal bearing, the angle of contact of the bearing with the journal is 270° 360° 120° 180° 270° 360° 120° 180° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear plane in case of bolts should Never be across the threaded portion Be normal to threaded portion of shank Be across threaded portion of shank Be parallel to axis of bolt Never be across the threaded portion Be normal to threaded portion of shank Be across threaded portion of shank Be parallel to axis of bolt ANSWER DOWNLOAD EXAMIANS APP
Machine Design A steel containing _________ 0.8% carbon is known as hypo-eutectoid steel. Equal to Greater than Less than None of these Equal to Greater than Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The pitch diameter is the __________ diameter of an external or internal screw thread. Largest None of these Smallest Effective Largest None of these Smallest Effective ANSWER DOWNLOAD EXAMIANS APP
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