The velocity of flow does not depend on_______________?

Question: Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters?
[A].

I-131

[B].

Sr-90

[C].

Au-198

[D].

Ra-226

Answer: Option D

Explanation:

No answer description available for this question.

Question: Workers working in __________ industry are most prone to white lung cancer.
[A].

coal mining

[B].

limestone mining

[C].

textile

[D].

asbestos

Answer: Option C

Explanation:

No answer description available for this question.

Question: In troposphere (the weather domain), the temperature ‘t’ at height ‘h’ above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)
[A].

t = 15 – 0.0065h

[B].

t = 15 + 0.0065h

[C].

t = 0.0035h -15

[D].

t = 15 – 0.0035h

Answer: Option A

Explanation:

No answer description available for this question.

Question: Biological oxidation ponds remove organic matters present in the polluted water by
[A].

using the activities of bacteria and other micro organisms.

[B].

aerobic oxidation.

[C].

both (a) & (b).

[D].

neither (a) nor (b).

Answer: Option C

Explanation:

No answer description available for this question.