Machine Design The power transmitted by the belt drive can be increased by Increasing wrap angle by using idler pulley Dressing the belt to increase the coefficient of friction All of these Increasing the initial tension in the belt Increasing wrap angle by using idler pulley Dressing the belt to increase the coefficient of friction All of these Increasing the initial tension in the belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The number of slots in a 25 mm castle nut is 2 6 8 4 2 6 8 4 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two springs are in series (having stiffness K), the equivalent stiffness will be K/2 K/4 K 2K K/2 K/4 K 2K ANSWER DOWNLOAD EXAMIANS APP
Machine Design A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be 30 kN/m 6 kN/m 12 kN/m 24 kN/m 30 kN/m 6 kN/m 12 kN/m 24 kN/m ANSWER DOWNLOAD EXAMIANS APP
Machine Design In helical gears, the distance between similar faces of adjacent teeth along a helix on the pitch cylinders normal to the teeth, is called Axial pitch Normal pitch Module Diametral pitch Axial pitch Normal pitch Module Diametral pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design The dedendum circle diameter is equal to (where φ = Pressure angle) Addendum circle diameter × cosφ Clearance circle diameter × cosφ Pitch circle diameter × cosφ Pitch circle diameter × sinφ Addendum circle diameter × cosφ Clearance circle diameter × cosφ Pitch circle diameter × cosφ Pitch circle diameter × sinφ ANSWER DOWNLOAD EXAMIANS APP