Water Resources Engineering - Section 1 (4)

Directions to Solve

Water Resources Engineering - Section 1

There are MCQs available on this field water resources
management and you can test your skills by completing these MCQs.

25.

The critical depth in a channel can be produced

A.	by raising the bottom of the channel
B.	by lowering the bottom of the channel
C.	by decreasing the width of the channel
D.	by increasing the width of the channel
E.	both (a) and (c) of above.

Answer: Option E

Explanation:

No answer description available for this question. Let us discuss.

26.

While calculating the average depth of annual precipitation in a catchment basin, importance to individual raingauge station is given in

A.	Arithmetical method
B.	Thiessen's mean method
C.	Isohyetal method
D.	both (a) and (b)
E.	both (b) and (c).

Answer: Option E

Explanation:

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27.

For determination of average annual precipitation in a catchment basin, the best method is

A.	Arithmetical method
B.	Thiessen's mean method
C.	Isohyetal method
D.	None of these.

Answer: Option C

Explanation:

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28.

If a gauge is installed perpendicular to the slope, its measurement is reduced by multiplying

A.	sine of the angle of inclination with vertical
B.	cosine of the angle of inclination with vertical
C.	tangent of the angle of inclination with vertical
D.	calibration coefficient of the gauge.

Answer: Option B

Explanation:

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29.

The deficiency in rain catch due to vertical acceleration of air forced upward over the gauge, is

A.	greater for heavy rain
B.	greater for lighter rain
C.	greater for large drops
D.	lesser for small rain drops.

Answer: Option B

Explanation:

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30.

In India the recording type rain gauge generally used, is

A.	weighing type
B.	tipping type
C.	float recording type
D.	none of these.

Answer: Option C

Explanation:

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31.

A recording type rain gauge

A.	produces a mass curve of rain fall
B.	records the cumulative rain
C.	is sometimes called integrating rain gauge or continuous rain gauge
D.	all the above.

Answer: Option D

Explanation:

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32.

In India, rain fall is generally recorded at

A.	8 A.M.
B.	12 Noon
C.	4 P.M.
D.	8 P.M.

Answer: Option A

Explanation:

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