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

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
by

1 Answer

Answer :

Answer: Option C
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Related questions

While calculating the average depth of annual precipitation in a catchment basin, importance to individual rain-gauge station is given in (A) Arithmetical method (B) Thiessen's mean method (C) Isohyetal method (D) Both (b) and (c)

Description : While calculating the average depth of annual precipitation in a catchment basin, importance to individual rain-gauge station is given in (A) Arithmetical method (B) Thiessen's mean method (C) Isohyetal method (D) Both (b) and (c)

Last Answer : Answer: Option D

The highest annual precipitation occurs in which basin? -Do You Know?

Description : The highest annual precipitation occurs in which basin? -Do You Know?

Last Answer : answer:

The highest annual precipitation occurs in which basin?

Description : The highest annual precipitation occurs in which basin?

Last Answer : Amazon basin

The highest annual precipitation occurs in which basin?

Description : The highest annual precipitation occurs in which basin?

Last Answer : Amazon basin

Pick up the incorrect statement from the following: (A) The net amount of water which joins the surface streams in a catchment, is known as surface run-off (B) The amount of water which joins the stream from the underground water, is called base flow (C) The yearly run off in cm depth over the catchment, is termed as the yield of the drainage basin(D) None of these

Description : Pick up the incorrect statement from the following:  (A) The net amount of water which joins the surface streams in a catchment, is known as  surface run-off  (B) The amount of water which ... over the catchment, is termed as the yield of the drainage  basin  (D) None of these

Last Answer : (D) None of these

Run off includes (A) Precipitation over catchment area of the stream and its attributaries (B) Surface run off (C) Ground water flow (D) All the above

Description : Run off includes (A) Precipitation over catchment area of the stream and its attributaries (B) Surface run off (C) Ground water flow (D) All the above

Last Answer : Answer: Option D

Increase in population of a rapidly growing city, may be estimated by (A) Arithmetical mean method (B) Geometrical method (C) Incremental increase method (D) Graphical comparison method

Description : Increase in population of a rapidly growing city, may be estimated by (A) Arithmetical mean method (B) Geometrical method (C) Incremental increase method (D) Graphical comparison method

Last Answer : (B) Geometrical method

Pick up the incorrect statement from the following: (A) At two meteorologically homogeneous stations, the average annual precipitation is same (B) If the average annual precipitation at two places is same these are meteorologically homogeneous stations (C) Neither (a) nor (b) (D) Both (a) and (b)

Description : Pick up the incorrect statement from the following: (A) At two meteorologically homogeneous stations, the average annual precipitation is same (B) If the average annual precipitation at two places is same these are ... homogeneous stations (C) Neither (a) nor (b) (D) Both (a) and (b)

Last Answer : Answer: Option B

The run off a drainage basin is (A) Initial recharge + ground water accretion + precipitation (B) Precipitation + ground water accretion + initial recharge (C) Precipitation - ground water accretion + initial recharge (D) Precipitation - ground water accretion - initial recharge

Description : The run off a drainage basin is (A) Initial recharge + ground water accretion + precipitation (B) Precipitation + ground water accretion + initial recharge (C) Precipitation - ground water accretion + initial recharge (D) Precipitation - ground water accretion - initial recharge

Last Answer : Answer: Option D

Rain simulators are used for the determination of (A) Evaporation (B) Precipitation (C) Run off (D) Infiltration capacity

Description : Rain simulators are used for the determination of (A) Evaporation (B) Precipitation (C) Run off (D) Infiltration capacity

Last Answer : Answer: Option D

The increased incidence of floods in recent times in North India is due to – (1) increase in the annual rainfall, (2) increase in the silting of dams, (3) increased deforestation in the catchment area, (4) None of these

Description : The increased incidence of floods in recent times in North India is due to – (1) increase in the annual rainfall, (2) increase in the silting of dams, (3) increased deforestation in the catchment area, (4) None of these

Last Answer : (3) increased deforestation in the catchment area, Explanation: The frequency and severity of flooding in the Gangetic plain has steadily increased in recent years. Deforestation of the Terai appears to be one of the major causes.

Where is the greatest average annual precipitation?

Description : Where is the greatest average annual precipitation?

Last Answer : In Philippines

Depreciation (A) Costs (on annual basis) are constant when the straight line method is used for its determination (B) Is the unavoidable loss in the value of the plant, equipment and materials with lapse in time (C) Does figure in the calculation of income tax liability on cash flows from an investment (D) All (A), (B) and (C)

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Last Answer : (D) All (A), (B) and (C)

m and n are monsoon duration factor and catchment factor respectively. If P is yearly rainfall in cm, runoff can be calculated by (A) Velocity area method (B) Weir or spillway method (C) Use of venturi-meter (D) Using power plant consumption

Description : m and n are monsoon duration factor and catchment factor respectively. If P is yearly rainfall in  cm, runoff can be calculated by  (A) Velocity area method  (B) Weir or spillway method  (C) Use of venturi-meter  (D) Using power plant consumption 

Last Answer : (A) Velocity area method 

Growth of population can be conveniently represented by (A) An arithmetical curve (B) A semi-logarithmic curve (C) A logistic curve (D) A straight line curve

Description : Growth of population can be conveniently represented by (A) An arithmetical curve (B) A semi-logarithmic curve (C) A logistic curve (D) A straight line curve

Last Answer : (C) A logistic curve

The respective storm totals at three surrounding stations A, B and C are 110, 90 and 70 mm. If the normal annual precipitation amounts at stations X, A, B and C are respectively 1000, 1100, 1200 and 1250 mm, the estimated storm precipitation at X is (A) 75 mm (B) 77 mm (C) 79 mm

Description : The respective storm totals at three surrounding stations A, B and C are 110, 90 and 70 mm. If the normal annual precipitation amounts at stations X, A, B and C are respectively 1000, 1100, 1200 and 1250 mm, the estimated storm precipitation at X is (A) 75 mm (B) 77 mm (C) 79 mm

Last Answer : Answer: Option B

The lag time between precipitation period and peak discharge period of a river: w) is increased by urbanization x) is decreased by urbanization y) is shorter for a large drainage basin than for a small one z) depends upon the hydraulic heads

Description : The lag time between precipitation period and peak discharge period of a river: w) is increased by urbanization x) is decreased by urbanization y) is shorter for a large drainage basin than for a small one z) depends upon the hydraulic heads

Last Answer : ANSWER: X -- IS DECREASED BY URBANIZATION

The antibodies raised against a pure protein will show only one sharp spike on this technique: (A) Solubility curve (B) Solvent precipitation (C) Molecular weight determination (D) Immuno electrophoresis

Description : The antibodies raised against a pure protein will show only one sharp spike on this technique: (A) Solubility curve (B) Solvent precipitation (C) Molecular weight determination (D) Immuno electrophoresis

Last Answer : Answer : D

In the Brahmaputra river basin, floods are almost an annual feature. Give two reasons to explain why. -Geography

Description : In the Brahmaputra river basin, floods are almost an annual feature. Give two reasons to explain why. -Geography

Last Answer : The cause of floods in this river basin is heavy rainfall of around 250 cms at the time of rainy season. Besides, due to formation of silt by the river Brahmaputra along with its tributaries, the ... and in course of time it vents due to water pressure resulting in a lot of areas getting flooded.

Arithmetical accuracy cannot be checked in Single Entry.

Description : Arithmetical accuracy cannot be checked in Single Entry.

Last Answer : State True or False with reasons: Arithmetical accuracy cannot be checked in Single Entry.

What is an Arithmetical error?

Description : What is an Arithmetical error?

Last Answer : What is an Arithmetical error?

Annual Precipitation means the amount of rain that falls in one?

Description : Annual Precipitation means the amount of rain that falls in one?

Last Answer : Idm

If intensity of rainfall in cm per hour is I, percentage coefficient of run-off is P, area of catchment in square kilometres is A, the total run-off Q, is given by (A) Q = 1.758 × 102 × API(B) Q = 2.758 × 102 × API(C) Q = 2.758 × 103 × API(D) Q = 2.758 × 103 × A/PI

Description : If intensity of rainfall in cm per hour is I, percentage coefficient of run-off is P, area of catchment in  square kilometres is A, the total run-off Q, is given by  (A) Q = 1.758 102   API (B) Q = 2.758 ... API (C) Q = 2.758 103   API (D) Q = 2.758 103   A/PI

Last Answer : (C) Q = 2.758 × 103  × API

In the estimate of design flood, Dickens assumes that high flood in cumecs, is proportional to catchment area raised to the power (A) 1/4 (B) 1/2 (C) 3/4 (D) 2/3

Description : In the estimate of design flood, Dickens assumes that high flood in cumecs, is proportional to catchment area raised to the power (A) 1/4 (B) 1/2 (C) 3/4 (D) 2/3

Last Answer : Answer: Option C

For the estimate of high floods in fan-shaped catchment, the formula used is (A) Dicken's formula (B) Ryve's formula (C) Inglis formula (D) None of these

Description : For the estimate of high floods in fan-shaped catchment, the formula used is (A) Dicken's formula (B) Ryve's formula (C) Inglis formula (D) None of these

Last Answer : Answer: Option C

For a catchment area of 120 km², the equilibrium discharge in m3/hour of a Scurve obtained by the summation of 6 hour unit hydro graph is (A) 0.2 × 106 (B) 0.6 × 106 (C) 2.4 × 106 (D) 7.2 × 10

Description : For a catchment area of 120 km², the equilibrium discharge in m3/hour of a Scurve obtained by the summation of 6 hour unit hydro graph is (A) 0.2 × 106 (B) 0.6 × 106 (C) 2.4 × 106 (D) 7.2 × 10

Last Answer : Answer: Option A

Intermediate catch water drains are provided only, if (A) Catchment area of the watershed above road is large (B) Intensity of rainfall is heavy (C) Single catch water drain is inadequate (D) All the above

Description : Intermediate catch water drains are provided only, if (A) Catchment area of the watershed above road is large (B) Intensity of rainfall is heavy (C) Single catch water drain is inadequate (D) All the above

Last Answer : Answer: Option D

The rainfall on five successive days on a catchment was 3, 6, 9, 5 and 1 cm respectively. If the  -index for the storm can be assumed to be 3 cm/day, the total direct runoff from the catchment due to this storm is (a) 11 cm (b) 24 cm (c) 9 cm (d) 20 cm

Description : The rainfall on five successive days on a catchment was 3, 6, 9, 5 and 1 cm respectively. If the  -index for the storm can be assumed to be 3 cm/day, the total direct runoff from the catchment due to this storm is (a) 11 cm (b) 24 cm (c) 9 cm (d) 20 cm

Last Answer : (a) 11 cm

Yield of a drainage basin is: (A) Run off of the area expressed as instantaneous rate (B) Average run off over a short period (C) Total volume of water flowing annually (D) All the above

Description : Yield of a drainage basin is: (A) Run off of the area expressed as instantaneous rate (B) Average run off over a short period (C) Total volume of water flowing annually (D) All the above

Last Answer : (C) Total volume of water flowing annually

An intense rain is falling at a uniform rate of 7.5 cm/hour for a period of 60 minutes on a basin whose area is 500 hectares. If the average infiltration capacity during the entire rain period is assumed to be 1.5 cm/hr, the maximum run-off rate based on 10 minute peak percentage of 16% from distributing graph of the basin, is (A) 40 cumecs (B) 60 cumecs (C) 80 cumecs (D) 100 cumecs

Description : An intense rain is falling at a uniform rate of 7.5 cm/hour for a period of 60 minutes on a basin whose area is 500 hectares. If the average infiltration capacity during the entire rain period is assumed to be 1.5 ... of the basin, is (A) 40 cumecs (B) 60 cumecs (C) 80 cumecs (D) 100 cumecs

Last Answer : Answer: Option C

The form factor of a drainage basin is obtained by dividing (A) Area of the basin by the axial length (B) Average width of the basin by the axial basin (C) Area of the basin by the square of the axial length (D) Both (b) and (c

Description : The form factor of a drainage basin is obtained by dividing (A) Area of the basin by the axial length (B) Average width of the basin by the axial basin (C) Area of the basin by the square of the axial length (D) Both (b) and (c

Last Answer : Answer: Option D

The elevation Z of the watershed is: (where letters carry their usual meanings) (A) Reduced level of the top most point of the basin (B) Reduced level of the lower most point of the basin (C) Average elevation of the highest and lowest point of the drainage basin (D) Obtained by the formula Z = + + + anzn)/A

Description : The elevation Z of the watershed is: (where letters carry their usual meanings) (A) Reduced level of the top most point of the basin (B) Reduced level of the lower most point of the basin (C) Average ... highest and lowest point of the drainage basin (D) Obtained by the formula Z = + + + anzn)/A

Last Answer : Answer: Option D

Accurate determination of water content, is made by (A) Calcium carbide method (B) Sand bath method (C) Alcohol method (D) Oven-drying method

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Last Answer : (D) Oven-drying method

Which of the following methods is best suited for determination of permeability of coarse-grained soils? (A) Constant head method (B) Falling head method (C) Both the above (D) None of the above

Description : Which of the following methods is best suited for determination of permeability of coarse-grained soils? (A) Constant head method (B) Falling head method (C) Both the above (D) None of the above

Last Answer : Answer: Option A

For proper field control, which of the following methods is best suited for quick determination of water content of a soil mass? (A) Oven drying method (B) Sand bath method (C) Alcohol method (D) Calcium carbide method

Description : For proper field control, which of the following methods is best suited for quick determination of water content of a soil mass? (A) Oven drying method (B) Sand bath method (C) Alcohol method (D) Calcium carbide method

Last Answer : Answer: Option D

Which of the following methods is more suitable for the determination of permeability of clayey soil? (A) Constant head method (B) Falling head method (C) Horizontal permeability test (D) None of the above

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Last Answer : Answer: Option B

Which of the following methods is most accurate for the determination of the water content of soil? (A) Oven drying method (B) Sand bath method (C) Calcium carbide method (D) Pycnometer method

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Last Answer : Option A

In the method of voids for determination of the quantity of cement paste, it is assumed that (A) Voids in coarse aggregates are filled by fine aggregates (B) Voids in fine aggregates are filled by the cement paste (C) Volume of fine aggregates is equal to total voids in coarse aggregates plus 10% extra (D) All the above

Description : In the method of voids for determination of the quantity of cement paste, it is assumed that (A) Voids in coarse aggregates are filled by fine aggregates (B) Voids in fine aggregates are filled by ... of fine aggregates is equal to total voids in coarse aggregates plus 10% extra (D) All the above

Last Answer : Answer: Option D

Which of the following correspond to the recommendations of IRC for pavement thickness determination by CBR Method ? 1. CBR tests are to be conducted in-situ 2. Static compression is best adopted 3. The top 50 cm of sub grade should be compacted to as near the proctor density as possible (a) 1, 2 and 3 (b) 1 and 2 only (c) 2 and 3 only (d) 1 and 3 only

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Last Answer : (c) 2 and 3 only

Which of the following methods are employed for determination of free and combined chlorine residuals in water ? 1. Starch-iodide method 2. Orthotolidine method 3. Amperometric titration method 4. SNORT method 5. DPD method a) 1, 2, 4 and 5 b) 1, 2 and 3 only c) 3, 4 and 5 only d) 2, 3, and 4 only.

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Last Answer : a) 1, 2, 4 and 5

method requires the following data pertaining annual flood series (i) Mean value (ii) Standard deviation (iii) Length of record (iv) Coefficient of skew The correct answer is (A) (i) and (ii) (B) (i),(i) and (iii) (C) (i), (ii) and (iv) (D) (i), (ii), (iii) and (iv)

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Last Answer : Answer: Option B

Average annual rainfall at any station is the average of annual rainfall over a period of (A) 7 years (B) 14 years (C) 28 years (D) 35 years

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Last Answer : (D) 35 years

If present A.D.T. is 5000 vehicles and annual increase is 10%, the average future flow after 5 years will be (A) 6050 vehicles (B) 7050 vehicles (C) 8050 vehicles (D) 9050 vehicles

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Last Answer : Answer: Option C

ick up the correct statement from the following: (A) Seasonal cycle of traffic volume during April and November, is usually near the annual average (B) Mid-winter seasonal cycle of traffic is least (C) Mid-summer seasonal cycle of traffic is highest (D) All the above

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Last Answer : Answer: Option D

What is the disadvantage for local catchment water?

Description : What is the disadvantage for local catchment water?

Last Answer : Feel Free to Answer

Which one among the following rivers has the largest catchment area? [IAS 2008] (a) Cauvery (b) Krishna (c) Mahanadi (d) Narmada

Description : Which one among the following rivers has the largest catchment area? [IAS 2008] (a) Cauvery (b) Krishna (c) Mahanadi (d) Narmada

Last Answer : Ans: (b)

What is meant by catchment area and explain its function:

Description : What is meant by catchment area and explain its function:

Last Answer : The whole area behind the dam is called the catchment area. The rain water in the area will be drained into the dam through a dam or river.

Which of the following is an order for water harvesting mechanism? a. Catchment, recharge facility, storage facility, conduitsb. Catchment, storage facility, recharge facility, conduits c. Catchment, conduits, storage facility, recharge facility d. Catchment, conduits, recharge facility, storage facility

Description : Which of the following is an order for water harvesting mechanism? a. Catchment, recharge facility, storage facility, conduitsb. Catchment, storage facility, recharge facility, conduits c. ... conduits, storage facility, recharge facility d. Catchment, conduits, recharge facility, storage facility

Last Answer : c. Catchment, conduits, storage facility, recharge facility

The area of land where water collects after the rain is termed as: A. Watershed. B. Catchment area. C. Aquifer. D. Percolation area.

Description : The area of land where water collects after the rain is termed as: A. Watershed. B. Catchment area. C. Aquifer. D. Percolation area.

Last Answer : B. Catchment area.