ISRO Scientist or Engineer Civil 2014

Instructions

For the following questions answer them individually

Question 21

When Mach number is less than unity, the flow is called

Video Solution


Question 22

Coplanner concurrent force are those forces which

Video Solution


Question 23

The best hydraulic cross section for a open channelis the one

Video Solution


Question 24

There is a free overall fall at the end of a long channel. For a given flow rate, the critical depth is less than normal depth What gradually varied flow profile will occur in the channel for the flow rate?

Video Solution


Question 25

For an isotropic material, the relationship between Young’s Modulus(E), Shear Modulus(G), and Poission’s ratio $$(\mu)$$ is given by

Video Solution


Question 26

A standard measure of ductility of a material is

Video Solution


Question 27

A rod of length L= 500 mm and cross sectional area A = 60 $$mm^{2}$$ is made of an elasto plastic material having a modular of elasticity E = 200 Gpa nits elastic range and yield point $$\sigma y$$=300 Mpa. The rod is subjected to an axial load until it is stretched 7 mm and the load is then removed. What is the resulting permanent set?

Video Solution


Question 28

The changein the volumeper Unit volume occurs when normalstresses are applied on an element of isotropic materialis called as

Video Solution


Question 29

Determinethe change in volumeofa steel block of size $$80mm \times 40mm \times 60mm$$ when it is subjected to the hydrostatic pressure P = 180 Mpa. Use E = 200 Gpa and v = 0.29

Video Solution


Question 30

Whisper concrete is used

Video Solution


Register with

OR

Boost your Prep!

Download App