Machine Design The constant factor in case of R10 series of preferred numbers is 1.06 1.58 1.26 1.12 1.06 1.58 1.26 1.12 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to 2W/3 8W/9 W/2 W/9 2W/3 8W/9 W/2 W/9 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt is transmitting maximum power, the belt speed should be(Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N)) √(Pmax / 3m) √(Pmax / m) √(Pmax / 2m) √(3m /Pmax) √(Pmax / 3m) √(Pmax / m) √(Pmax / 2m) √(3m /Pmax) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Crowning on pulley helps To increase pulley life To keep the belt in centre on a pulley while it is in motion In decreasing the slip of the belt In increasing the slip of the belt To increase pulley life To keep the belt in centre on a pulley while it is in motion In decreasing the slip of the belt In increasing the slip of the belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt as (Kf - 1)/ (Kt - 1) (Kt + 1)/ (Kf + 1) (Kf + 1)/ (Kt + 1) (Kt - 1)/ (Kf - 1) (Kf - 1)/ (Kt - 1) (Kt + 1)/ (Kf + 1) (Kf + 1)/ (Kt + 1) (Kt - 1)/ (Kf - 1) ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a load W is applied instantaneously on a bar; Then the stress induced in bar will Depend on other considerations Decrease with decrease in y Increase with increase in y Be independent of ratio of mass of load W to mass of bar (y) Depend on other considerations Decrease with decrease in y Increase with increase in y Be independent of ratio of mass of load W to mass of bar (y) ANSWER DOWNLOAD EXAMIANS APP
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