Q.1.
All materials obey Hooke's law within elastic limit. When elastic limit is reached, the tensile strain
Q.2.
Acetaldehyde is shipped in __________ drums.
Q.3.
Aqueous nitric acid is stored in __________ vessel.
Q.4.

Hydrochloric acid is stored in a__vessel.

Q.5.

Lead pipe is

Q.6.

Hydrochloric acid is __________ corrosive to common metals.

Q.7.

Thermoplastic resins are those polymers, which

Q.8.

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

Q.9.

Presence of high amount of silicon in cast iron

Q.10.

Wrought iron is

Q.11.

Inconel is an alloy of

Q.12.

Tempering of steel is done to make it

Q.13.

Sheardising process is used for

Q.14.

Rotary driers are generally made of

Q.15.

Tank furnace used for melting of glass is made of

Q.16.

Hardest materials so far found is

Q.17.

The temperature at which new grains are formed in the metal is called the __________ temperature.

Q.18.

Pick out the wrong statement.

Q.19.

Rubber lined pumps can be used to pump

Q.20.

Perspex is nothing but

Q.21.

A measure of toughness of a material is its

Q.22.

Concrete tank can be used to store

Q.23.

The maximum percentage of chromium that can be added to steel is about

Q.24.

Presence of high phosphorous in cast iron increases its

Q.25.

Spray dryer for evaporating milk to produce milk powder is made of

Q.26.

Galvanising is not a zinc diffusion process. A zinc diffusion process is termed as

Q.27.

Molten phthalic anhydride is stored in a/an __________ vessel.

Q.28.

Ferric stainless steels compared to austenitic stainless steels

Q.29.

Titanium metal

Q.30.

Centrifugal pump made of pyrex or glass can't be used to pump

Q.31.

Polymerisation reactor used for the production of styrene butadiene rubber (SBR) is made of

Q.32.

Zinc is highly __________ at room temperature.

Q.33.

Which of the following is a non-magnetic material ?

Q.34.

The phenomenon in which slow extension of material takes place with the time at constant load is called

Q.35.

Chromel (Nichrome) is an alloy of

Q.36.

Which of the following commercial metals is most abundantly found in India ?

Q.37.

Fatigue failure of a material results from __________ stress.

Q.38.

Liners of a ball mill are never made of

Q.39.

Purity of electrical grade aluminium should be ≥ __________ percent.

Q.40.

Ability of a material to __________ is indicated by its damping capacity.

Q.41.

Cast iron is having very high

Q.42.

Which of the following constituents of cast iron is mainly responsible for imparting it an anti-corrosive property ?

Q.43.

An alloy used as thermocouple material comprises ofnickel andcopper. It is called

Q.44.

A material capable of undergoing large permanent deformation, when subjected to compression is termed as

Q.45.

Which of the following is not an alloy of nickel and chromium ?

Q.46.

Tin vessels are corroded by

Q.47.

Fermenter used in the production of pen-cillin by deep fermentation proces is a __________ lined steel vessel

Q.48.

Maximum consumption of zinc is in

Q.49.

Corrosion resistance of steel is increased by the addition of

Q.50.

Most common stainless steel typewhich is highly resistant to corrosion contains