QuizMaster

Question: Inhibitors are used along with sanitizer to
[A].

improve their action

[B].

to prevent corrosion

[C].

both (a) and (b)

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: Sanitizer used specifically for vitreous enamel are
[A].

strong alkalis

[B].

strong acids

[C].

weak alkali with sodium silicate

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

Question: Sanitizers used for rubber made equipments are
[A].

strong acids

[B].

strong alkalis

[C].

combination of both

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: Acid used mostly for removal of milk stone is
[A].

phosphoric acid

[B].

nitric acid

[C].

gluconic acid

[D].

tartaric acid

Answer: Option B

Explanation:

No answer description available for this question.

Question: From the following sanitizers which one comes under category of surface active agents?
[A].

Tetra phosphate

[B].

Teepol

[C].

Meta phosphate

[D].

None of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: The maximum desirable limit (BIS) of total hardness (as CaCo3) in drinking water is
[A].

600 ppm

[B].

300 ppm

[C].

500 ppm

[D].

1000 ppm

Answer: Option B

Explanation:

No answer description available for this question.

Question: According to BIS the maximum permissible limit of dissolved solids in drinking water is
[A].

1000 mg/l

[B].

500 mg/l

[C].

2000 mg/l

[D].

1500 mg/l

Answer: Option C

Explanation:

No answer description available for this question.

Question: The maximum permissible limit (BIS) of turbidity in drinking water is
[A].

5 NTU

[B].

10 NTU

[C].

15 NTU

[D].

20 NTU

Answer: Option B

Explanation:

No answer description available for this question.

Question: The maximum desirable limit (BIS of mercury in the drinking water is
[A].

0.05 mg/l

[B].

0.9 mg/l

[C].

0.1 mg/l

[D].

0.001 mg/l

Answer: Option D

Explanation:

No answer description available for this question.

Question: The maximum desirable limit Bureau of Indian Standards (BIS) of lead in the drinking water is
[A].

0.05 mg/l

[B].

0.09 mg/l

[C].

0.1 mg/l

[D].

1.0 mg/l

Answer: Option A

Explanation:

No answer description available for this question.