Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd⁴/ 4D3n Gd⁴/ 8D²n Gd⁴/ 8D3n Gd3/ 8D3n Gd⁴/ 4D3n Gd⁴/ 8D²n Gd⁴/ 8D3n Gd3/ 8D3n ANSWER DOWNLOAD EXAMIANS APP
Machine Design A transmission shaft includes Counter shaft Line shaft All of these Over head shaft Counter shaft Line shaft All of these Over head shaft ANSWER DOWNLOAD EXAMIANS APP
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 Alternating stress Fluctuating stress Repeated stress Yield stress Alternating stress Fluctuating stress Repeated stress Yield stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design Eye bolts are used for Lifting and transportation of machines and cubicles Foundation purposes Transmission of power Absorbing shock and vibrations Lifting and transportation of machines and cubicles Foundation purposes Transmission of power Absorbing shock and vibrations ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear stress at a point in a shaft subjected to a torque is Directly proportional to the polar moment of inertia and to the distance of the point from the axis Directly proportional to the applied torque and the polar moment of inertia Inversely proportional to the applied torque and the polar moment of inertia Directly proportional to the applied torque and inversely proportional to the polar moment of inertia Directly proportional to the polar moment of inertia and to the distance of the point from the axis Directly proportional to the applied torque and the polar moment of inertia Inversely proportional to the applied torque and the polar moment of inertia Directly proportional to the applied torque and inversely proportional to the polar moment of inertia ANSWER DOWNLOAD EXAMIANS APP
Machine Design The effective stress in wire ropes during normal working is equal to the stress due to Axial load plus stress due to acceleration/retardation Bending plus stress due to acceleration/retardation Acceleration/retardation of masses plus stress due to bending Axial load plus stress due to bending Axial load plus stress due to acceleration/retardation Bending plus stress due to acceleration/retardation Acceleration/retardation of masses plus stress due to bending Axial load plus stress due to bending ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS