Q. A hardness depth of about 3 mm can be achieved by induction hardness in __________ seconds.

View solution

Q. Presence of nitrogen in steel

View solution

Q. Very high sulphur in pig iron makes

View solution

Q. Silicon percentage in iron castings to have maximum hardness should be about

View solution

Q. Nickel as a material of construction

View solution

Q. __________ moulding process can not be used for thermoplastic plastics.

View solution

Q. Which of the following crystal structures characterises the ferritic stainless steel ?

View solution

Q. 'Semi steel' is

View solution

Q. Which of the following is a low melting point metal ?

View solution

Q. Trough of an apron conveyor is made of

View solution

Q. Pick out the wrong statement.

View solution

Q. Which of the following finds the least commercial use ?

View solution

Q. Which of the following is the most widely used insulating material for steam carray-ing pipelines ?

View solution

Q. Dry chlorine can be handled in a vessel made of

View solution

Q. Brine solution is stored/treated in __________ lined vessels/pipes.

View solution

Q. Steel balls for ball bearings are generally made of __________ steel.

View solution

Q. Beehive coke ovens are made of __________ bricks.

View solution

Q. Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the __________ stress.

View solution

Q. Which of the following is the hardest material ?

View solution

Q. Which of the following material of construction may be recommended by a chemical engineer for handling a gaseous chlorine (dry or wet) stream in a fluid flow system ?

View solution