Materials and Construction

Question: Concrete tank can be used to store
[A].

alum

[B].

ferrous sulphate

[C].

sulphuric acid

[D].

saturated brine

Answer: Option D

Explanation:

No answer description available for this question.

Question: Carbon tetrachloride can be stored in a storage vessel made of
[A].

high silicon iron (14% Si)

[B].

tin

[C].

stainless steel

[D].

all (a), (b) and (c)

Answer: Option D

Explanation:

No answer description available for this question.

Question: Perspex is nothing but
[A].

acrylic sheet

[B].

an elastomer

[C].

an alloy of lead and tin

[D].

aluminium foil clad with bakelite

Answer: Option A

Explanation:

No answer description available for this question.

Question: Nickel made/clad equipments are suitable for handling
[A].

ammonia (both aqueous & anhydrous).

[B].

fruit juices, milk & its products and caustic soda solution.

[C].

nitric acid & hydrochloric acid (conc).

[D].

sulphuric acid (conc).

Answer: Option B

Explanation:

No answer description available for this question.

Question: Mild steel storage vessels are suitable for the storage of
[A].

anhydrous ammonia

[B].

fatty acids

[C].

hydrochloric acid (95%)

[D].

sulphuric acid (25%)

Answer: Option A

Explanation:

No answer description available for this question.

Question: Lead lined equipments & vessels are suitable for handling
[A].

hydrochloric acid (10%).

[B].

nitric acid.

[C].

sulphuric acid upto 60°C.

[D].

all (a), (b) and (c).

Answer: Option C

Explanation:

No answer description available for this question.

Question: Containers made of high silicon cast iron (14% Si) are not suitable for the storage of
[A].

acetic acid.

[B].

benzoic & boric acids.

[C].

phosphoric acid (95%) & sulphuric acid (95%).

[D].

hydrochloric acid (concentrated).

Answer: Option D

Explanation:

No answer description available for this question.

Question: Gunmetal and bronze are not corroded by the action of
[A].

wet chlorine.

[B].

synthetic detergent solution.

[C].

hydrochloric acid (10%).

[D].

nitric acid (< 25%).

Answer: Option B

Explanation:

No answer description available for this question.

Question: Out of the following, copper vessels are the most suitable for the storage of
[A].

bromine.

[B].

dry chlorine & dry fluorine.

[C].

nitric acid (95% and fuming).

[D].

phosphoric acid (95%) & sulphuric acid (95% and fuming).

Answer: Option B

Explanation:

No answer description available for this question.

Question: Cast iron vessels are not suitable for the storage of
[A].

freon

[B].

H2SO4 (95%) at room temperature

[C].

H2SO4 (fuming)

[D].

wet SO2

Answer: Option D

Explanation:

No answer description available for this question.