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ESE 2021 ME Technical Quiz || Springs & Shafts
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Question 1
For a circular shaft of diameter d subjected to torque T, the maximum value of the shear stress is.
Question 2
For a power transmission shaft that transmits power P kW at N rpm, then the diameter of the shaft is proportional to (keeping τ constant)-
Question 3
In the calculation of induced shear stress in helical springs, the Wahl’s correction factor us used to take care of
Question 4
Find the Solid length of the helical spring having square and ground ends. Deflection in the spring is 30 mm and an axial load is 1250 N is applied. The modulus of rigidity is 81370 N/mm ². Wire diameter and mean coil diameter are 7 mm and 42 mm respectively_____.(Given no. of inactive coil = 2)
Question 5
A spring system has two close springs of same stiffness connected in parallel combination. Each of them is then cut into two equal parts and all of them are now connected in parallel. The stiffness of new spring system will be X times that of original system. X is ___
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Aug 31ESE & GATE ME
