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Civil Engg. JE Exams: Technical Quiz 41

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Question 1

A closed-coil helical spring is subjected to a torque about its axis. The spring wire would experience a______.

Question 2

Which one of the following is the correct expression for Maximum Shear Stress induced in the wire of a closed-coiled helical spring of wire diameter d and mean coil radius R which carries an axial load W?

Question 3

For a general two dimensional stress system subjected to σx σy and τxy,then what will be the co-ordinates of the center of Mohr’s circle?

Question 4

True stress represents the ratio of ___________.

Question 5

Laminar flow occurs in pipes, when Reynolds number _________.

Question 6

A right-circular cylinder open at top is filled with water and rotated about its vertical axis at such speed that half the water spills out. What is the value of pressure at centre of the bottom?

Question 7

Two dimensional flow occurs when
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Apr 13ESE & GATE CE