Water Resources Engineering - Section 1 (5)

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.

33.

The standard height of a standard rain gauge, is

A.	10 cm
B.	20 cm
C.	30 cm
D.	50 cm.

Answer: Option C

Explanation:

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34.

Precipitation caused by lifting of an air mass due to the pressure difference, is called

A.	cyclonic precipitation
B.	convective precipitation
C.	orographic precipitation
D.	none of these.

Answer: Option A

Explanation:

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35.

Absolute humidity in air

A.	decreases at higher altitudes
B.	increases at higher altitudes
C.	remains constant at all altitudes
D.	none of these.

Answer: Option A

Explanation:

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36.

Pick up the correct statement from the following :

A.	Absolute humidity at a given temperature is equal to weight of moisture present in a unit volume
B.	Relative humidity is the ratio of actual vapour pressure and saturation vapour pressure at the same temperature
C.	Relative humidity is the ratio of the weight of the vapours present per unit volume to the weight of vapours which could be contained at the same temperature when fully saturated
D.	Humidity can be measured by psychrometer
E.	All the above.

Answer: Option E

Explanation:

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37.

According to Robert E. Horton, the equation of infiltration capacity curve, is (where letters carry their usual meanings)

A.	f = fc (fo - fc) ekt
B.	f = ft - (fo - fc) e-kt
C.	f = ft + (fo - fc) e-kt
D.	f = f + (fo - fc) ekt

Answer: Option C

Explanation:

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38.

The main factor which affects the infiltration capacity, is

A.	thickness of saturated layer
B.	depth of surface detention
C.	soil moisture
D.	all the above.

Answer: Option D

Explanation:

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39.

Pick up the correct statement from the following :

A.	The portion of pellicular water which remains unutilised, is called hygroscopic water
B.	The moisture content at which permanent wilting of plants takes place, is called the wilting point
C.	The path of the water required to bring the soil moisture content of a soil up to its field capacity is called soil moisture deficiency
D.	The moisture deficiency will be different at different points
E.	All the above.

Answer: Option E

Explanation:

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40.

Pick up the correct statement from the following :

A.	When rainfall rate exceeds the infiltration capacity, the water enters the soil at full capacity rate
B.	When rainfall rate is less than the infiltration capacity, the infiltration rate is approximately equal to the rainfall rate
C.	The actual infiltration rate at any time may be equal to or less than the infiltration capacity
D.	The actual prevailing rate of infiltration of water in the soil at any time, is known as infiltration rate
E.	All the above.

Answer: Option E

Explanation:

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