Machine Design The cross-section of the arm of a bell crank lever is I-section Elliptical Rectangular Any one of these I-section Elliptical Rectangular Any one of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm, gears, pitch lead angle is None of these The angle between the tangent to the pitch helix and an element of the cylinder The angle between the tangent to the pitch helix and the plane of rotation Half the angle between two inclined faces in axial plane None of these The angle between the tangent to the pitch helix and an element of the cylinder The angle between the tangent to the pitch helix and the plane of rotation Half the angle between two inclined faces in axial plane ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a spring is cut down into two springs, the stiffness of cut springs will be Half Same None of these Double Half Same None of these Double ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be 2W/A W/A W/2A 3W/A 2W/A W/A W/2A 3W/A ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt speed increases Power transmitted increases to a maximum value and then decreases Power transmitted increases Power transmitted remains the same Power transmitted decreases Power transmitted increases to a maximum value and then decreases Power transmitted increases Power transmitted remains the same Power transmitted decreases 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 P1 + P2 [⅟₂ × (P1 + P2)] + Pc ⅟₂ × (P1 + P2) P1 - P2 P1 + P2 [⅟₂ × (P1 + P2)] + Pc ⅟₂ × (P1 + P2) ANSWER DOWNLOAD EXAMIANS APP