Machine Design The cross-section of the arm of a bell crank lever is Rectangular Elliptical Any one of these I-section Rectangular Elliptical Any one of these I-section ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tap bolt Has pointed threads Has a head on one end and a nut fitted to the other Has both the ends threaded Has head at one end and other end fits into a tapped hole in the other part to be joined Has pointed threads Has a head on one end and a nut fitted to the other Has both the ends threaded Has head at one end and other end fits into a tapped hole in the other part to be joined ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be 2 τ τ/2 4 τ τ 2 τ τ/2 4 τ τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to(Where, Pc = tension in belt due to centrifugal force) 1 Pc Pc/3 3 Pc 2 Pc 1 Pc Pc/3 3 Pc 2 Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two non-intersecting and non-coplanar shafts are connected by gears, the arrangement is known as Spiral gearing Bevel gearing Helical gearing Spur gearing Spiral gearing Bevel gearing Helical gearing Spur gearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cold working Has no influence on fatigue strength Alone has no influence on fatigue strength Decreases the fatigue strength Increases the fatigue strength Has no influence on fatigue strength Alone has no influence on fatigue strength Decreases the fatigue strength Increases the fatigue strength ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS