Machine Design The stress which vary from a minimum value to a maximum value of the same nature (i.e. tensile or compressive) is called Repeated stress Fluctuating stress Yield stress Alternating stress Repeated stress Fluctuating stress Yield stress Alternating stress 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 W/9 8W/9 W/2 2W/3 W/9 8W/9 W/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cylinder is 3.6 N/mm² tension 3.6 N/mm² compression 7.2 N/mm² compression 7.2 N/mm² tension 3.6 N/mm² tension 3.6 N/mm² compression 7.2 N/mm² compression 7.2 N/mm² tension ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the size of a standard specimen for a fatigue testing machine is increased, the endurance limit for the material will Decrease Have same value as that of standard specimen Increase None of these Decrease Have same value as that of standard specimen Increase None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts of the same length and material are joined in series. If the ratio of their diameters is 2, then the ratio of their angles of twist will be 16 8 2 4 16 8 2 4 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The application of third type levers is found in Handle of a hand pump Hand wheel of a punching press Lever of a loaded safety valve A pair of tongs Handle of a hand pump Hand wheel of a punching press Lever of a loaded safety valve A pair of tongs ANSWER DOWNLOAD EXAMIANS APP