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 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design The design of pin of a rocker arm of an I.C. engine is based on All of these Bearing failure Bending failure Shearing failure All of these Bearing failure Bending failure Shearing failure ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness of plate (t) is given by (where d and t are in mm) d = 6√t d = 1.6√t d = √t d = 2√t d = 6√t d = 1.6√t d = √t d = 2√t ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a turnbuckle, if one of the rods has left hand threads, then the other rod will have Left hand threads Pointed threads Multiple threads Right hand threads Left hand threads Pointed threads Multiple threads Right hand threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standard specifications, a Grey cast iron designated by 'FG 200' means that the Carbon content is 2% Maximum shear strength is 200 N/mm² Maximum compressive strength is 200 N/mm² Minimum tensile strength is 200 N/mm² Carbon content is 2% Maximum shear strength is 200 N/mm² Maximum compressive strength is 200 N/mm² Minimum tensile strength is 200 N/mm² ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear plane in case of bolts should Be parallel to axis of bolt Be normal to threaded portion of shank Never be across the threaded portion Be across threaded portion of shank Be parallel to axis of bolt Be normal to threaded portion of shank Never be across the threaded portion Be across threaded portion of shank ANSWER DOWNLOAD EXAMIANS APP