Chemical Engineering — Test 21

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Question 1

Magnesium is present in___________________?

Question 2

Steel & cast iron pipes are produced by ______________ casting ?

Question 3

Routing in production, planning & control is concerned with the___________________?

Question 4

Earing is a defect found in steels after the following metal working operation ?

Question 5

A fluid is termed as the Newtonian fluid, when the shear stress is _________________ the velocity gradient ?

Question 6

_______________ rubber is generally used for making ‘O’ rings used for vacuum sealings?

Question 7

Name the safety device used to protect the boiler, when the water level falls below a minimum level ?

Question 8

Adhesives__________________?

Question 9

Oxyacetylene reducing flame is used while carrying out welding on__________________?

Question 10

While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about _____________ °C ?