Q. Spark plugs, ignition tubes and electrodes are made of nickel __________ alloys.

View solution

Q. A steel alloy containing 36% nickel is called __________ , which has a zero co-efficient of expansion.

View solution

Q. Phenol is not shipped in

View solution

Q. To improve the machinability of steel, it is generally subjected to

View solution

Q. Glass lined vessels are not used for handling

View solution

Q. Hardening of steel is not possible unless it is heated __________ critical point.

View solution

Q. Hydrochloric acid absorber in made of

View solution

Q. Pick out the wrong statement.

View solution

Q. Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of __________ as mercury does not amalgamate with it.

View solution

Q. Presence of silicon in steel

View solution

Q. Cold work tool steel should have

View solution

Q. Hydrochloric acid is stored in a__vessel.

View solution

Q. Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its

View solution

Q. Pick out the wrong statement.

View solution

Q. Ferric stainless steels compared to austenitic stainless steels

View solution

Q. Liners of a ball mill are never made of

View solution

Q. Neutraliser tank used for reacting nitric acid with ammonia for the production of ammonium nitrate is made of

View solution

Q. Gas holder of a gobar (cowdung) gas plant is made of

View solution

Q. A material capable of undergoing large permanent deformation, when subjected to tension is termed as

View solution

Q. Bell metal is an alloy of

View solution