Boston society of Civil Engineer's formula Q = 0.0056 × (D/t) in cumecs/square km is based upon (A) Rainfall and drainage area(B) Total run off and drainage area (C) Drainage area and its shape (D) Drainage area

Boston society of Civil Engineer's formula Q = 0.0056 × (D/t) in cumecs/square km is based upon
(A) Rainfall and drainage area
(B) Total run off and drainage area
(C) Drainage area and its shape
(D) Drainage area
by

1 Answer

Answer :

Answer: Option B
by

Related questions

Burge formula Q = 19.6 (A/L2/3) cumecs is based upon (A) Rainfall and drainage area (B) Run off and drainage area (C) Drainage area and its shape (D) Drainage area

Description : Burge formula Q = 19.6 (A/L2/3) cumecs is based upon (A) Rainfall and drainage area (B) Run off and drainage area (C) Drainage area and its shape (D) Drainage area

Last Answer : Answer: Option C

Pettis formula Q = C (P.B)5/4 cumecs, is based upon (A) Rainfall and drainage area (B) Run off and drainage area (C) Drainage area and its shape (D) Drainage area

Description : Pettis formula Q = C (P.B)5/4 cumecs, is based upon (A) Rainfall and drainage area (B) Run off and drainage area (C) Drainage area and its shape (D) Drainage area

Last Answer : Answer: Option A

If total run off of a basin of 50 hectares is 0.8 cm, the ordinate of Bernard's distribution graph, may be calculated by the formula (where Q is the discharge in cumecs at the given time) (A) y = 50 Q (B) y = 100 Q (C) y = 200 Q (D) y = 250 Q

Description : If total run off of a basin of 50 hectares is 0.8 cm, the ordinate of Bernard's distribution graph, may be calculated by the formula (where Q is the discharge in cumecs at the given time) (A) y = 50 Q (B) y = 100 Q (C) y = 200 Q (D) y = 250 Q

Last Answer : Answer: Option D

If S is the potential infiltration, P is rainfall in cm in a drainage of a soil with fair pasture cover, the direct run off Q in cm is given by (A) Q = (P - 0.1 S)²/(P + 0.4 S) (B) Q = (P - 0.2 S)²/(P + 0.6 S) (C) Q = (P - 0.2 S)²/(P + 0.8 S) (D) Q = (P - 0.2 S)²/(P + 0.2 S)

Description : If S is the potential infiltration, P is rainfall in cm in a drainage of a soil with fair pasture cover, the direct run off Q in cm is given by (A) Q = (P - 0.1 S)²/(P + 0.4 S) (B) Q = (P - 0.2 S)²/(P + 0.6 S) (C) Q = (P - 0.2 S)²/(P + 0.8 S) (D) Q = (P - 0.2 S)²/(P + 0.2 S)

Last Answer : Answer: Option C

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

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 drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is A. 0.10 cumec B. 0.12 cumec C. 0.15 cumec D. 0.20 cumec

Description : The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration ... 60) the maximum run off is A. 0.10 cumec B. 0.12 cumec C. 0.15 cumec D. 0.20 cumec

Last Answer : ANS: C

For calculation of economical diameter D of a pipe in metres for a discharge Q to be pumped in cumecs, Lea suggested the empirical formula (A) D = 0.22 Q (B) D = 1.22 Q (C) D = 2.22 Q (D) D = 3.22 Q

Description : For calculation of economical diameter D of a pipe in metres for a discharge Q to be pumped in  cumecs, Lea suggested the empirical formula  (A) D = 0.22 Q (B) D = 1.22 Q (C) D = 2.22 Q (D) D = 3.22 Q

Last Answer : (B) D = 1.22 Q

Ryve's formula for flood estimate in cumecs, is (A) Q = CA3/4 (B) Q = CA2/3 (C) Q = CA1/2 (D) Q = CA1/4

Description : Ryve's formula for flood estimate in cumecs, is (A) Q = CA3/4 (B) Q = CA2/3 (C) Q = CA1/2 (D) Q = CA1/4

Last Answer : Answer: Option B

If the axial length of a drainage basin is 35 km and its form factor is 0.2, the total area of the basin is (A) 205 sq. km. (B) 215 sq. km. (C) 225 sq. km. (D) 245 sq. km.

Description : If the axial length of a drainage basin is 35 km and its form factor is 0.2, the total area of the basin is (A) 205 sq. km. (B) 215 sq. km. (C) 225 sq. km. (D) 245 sq. km.

Last Answer : Answer: Option D

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

The area of a drainage basin whose axial length is 100 km is 2500 sq. km. Its form factor is (A) 0.10 (B) 0.20 (C) 0.25 (D) 0.35

Description : The area of a drainage basin whose axial length is 100 km is 2500 sq. km. Its form factor is (A) 0.10 (B) 0.20 (C) 0.25 (D) 0.35

Last Answer : Answer: Option C

If is unit weight of water, Q the discharge in cumecs, H the pump, the H.P. of the motor is (A) H.P. = /75 (B) H.P. = /4500 (C) H.P. = /75 H (D) H.P. = /4500 H

Description : If is unit weight of water, Q the discharge in cumecs, H the pump, the H.P. of the motor is (A) H.P. = /75 (B) H.P. = /4500 (C) H.P. = /75 H (D) H.P. = /4500 H

Last Answer : Answer: Option A

For 3.25 × 10-2 cumecs discharging from a well, a pump is installed to lift water against a total head of 30 m. The minimum required horse power, is (A) 10 H.P. (B) 15 H.P. (C) 18 H.P. (D) 20 H.P.

Description : For 3.25 × 10-2 cumecs discharging from a well, a pump is installed to lift water against a total head  of 30 m. The minimum required horse power, is  (A) 10 H.P.  (B) 15 H.P.  (C) 18 H.P.  (D) 20 H.P. 

Last Answer : (D) 20 H.P. 

The time required by rain water to reach the outlet of drainage basin, is generally called (A) Time of concentration (B) Time of overland flow (C) Concentration time of overland flow (D) Duration of the rainfall

Description : The time required by rain water to reach the outlet of drainage basin, is generally called (A) Time of concentration (B) Time of overland flow (C) Concentration time of overland flow (D) Duration of the rainfall

Last Answer : Answer: Option A

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

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

Pick up the correct statement from the following: (A) Yield of a drainage basin is the run off at any time (B) Yield of a drainage basin is the run off over long periods (C) Yield of a drainage basin is expressed as surface run off per year

Description : Pick up the correct statement from the following: (A) Yield of a drainage basin is the run off at any time (B) Yield of a drainage basin is the run off over long periods (C) Yield of a drainage basin is expressed as surface run off per year

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

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

Knowledge of hydrology is necessary for civil engineers for (A) Designing and construction of irrigation structures (B) Designing and construction of bridges and culverts (C) Flood control works (D) All the above

Description : Knowledge of hydrology is necessary for civil engineers for (A) Designing and construction of irrigation structures (B) Designing and construction of bridges and culverts (C) Flood control works (D) All the above

Last Answer : Answer: Option D

What do civil engineers do?

Description : What do civil engineers do?

Last Answer : Civil engineering focuses on structures that serve the public such as transportation systems, water treatment, government buildings, public facilities such as airports and train stations, ... , materials engineering, structural engineering, construction engineering, and water resource engineering.  

Izzard formula for the time of concentration in minutes for the plots having no channels, is (where Lo is the length of overland flow in metres and Kp rainfall intensity in cm/hour) (A) T = 111 b. L0 1/3/(Kp)2/3 (B) T = 222 b. L0 1/2/(Kp)1/3 (C) T = 333 b. L0/Kp (D) T = 111 b. L0 1/3/(Kp)2/5

Description : Izzard formula for the time of concentration in minutes for the plots having no channels, is (where Lo is the length of overland flow in metres and Kp rainfall intensity in cm/hour) (A) T = 111 b. L0 1/3/(Kp)2/3 (B) T = 222 b. L0 1/2/(Kp)1/3 (C) T = 333 b. L0/Kp (D) T = 111 b. L0 1/3/(Kp)2/5

Last Answer : Answer: Option A

Derivation of Thiem's formula Q = 2 (s1 - s2)/2.3 log10 (r2/r1) is based on the assumption (A) The aquifer is homogeneous, isotropic and of infinite depth and area (B) The well is sunk through the full depth of the aquifer (C) The flow lines are radial and horizontal, and the flow is laminar (D) All the above

Description : Derivation of Thiem's formula Q = 2 (s1 - s2)/2.3 log10 (r2/r1) is based on the assumption  (A) The aquifer is homogeneous, isotropic and of infinite depth and area  (B) The well is sunk ... (C) The flow lines are radial and horizontal, and the flow is laminar  (D) All the above 

Last Answer : (D) All the above 

Pick up the correct statement from the following: A. The maximum rate of storm runoff is called peak drainage discharge B. Rational method of estimating peak run off, may be used precisely for areas less than 50 hectares C. The period after which the entire area starts contributing to the runoff, is called the time of concentration D. All the above

Description : Pick up the correct statement from the following: A. The maximum rate of storm runoff is called peak drainage discharge B. Rational method of estimating peak run off, may be used precisely for ... entire area starts contributing to the runoff, is called the time of concentration D. All the above

Last Answer : ANS: D

For estimating the peak run off the rational formula Q = 0.0278 KpA was evolved by A. Kinchling B. Lloyd Davis C. Frubling D. All the above

Description : For estimating the peak run off the rational formula Q = 0.0278 KpA was evolved by A. Kinchling B. Lloyd Davis C. Frubling D. All the above

Last Answer : ANS: D

If discharge of a pump is 0.16 cumecs, the economic diameter of pipe, is (A) 0.488 m (B) 4.88 cm (C) 48.8 cm (D) 4.88 m

Description : If discharge of a pump is 0.16 cumecs, the economic diameter of pipe, is  (A) 0.488 m  (B) 4.88 cm  (C) 48.8 cm  (D) 4.88 m 

Last Answer : (A) 0.488 m 

Which of the following statements describes what will occur if the motor shown in the illustration is required to carry 150% of full load? EL-0056 A. The primary counter emf will be increased. B. The stator current will increase. C. The slip will decrease. D. The slip value, stator current curve, and torque curve will all coincide.

Description : Which of the following statements describes what will occur if the motor shown in the illustration is required to carry 150% of full load? EL-0056 A. The primary counter emf will be increased. B. ... slip will decrease. D. The slip value, stator current curve, and torque curve will all coincide.

Last Answer : Answer: B

The torque and current curves for a three-phase induction motor with a cage rotor, are shown in the illustration. Which of the following statements is true concerning the depicted curves? EL-0056 A. As slip increases, rotor reactance decreases. B. The pullout point on the torque curve is about seven times the normal full load torque value. C. At stand still, stator current is 150% of normal. D. If the motor is loaded to the point where 40% slip has resulted, it will stall.

Description : The torque and current curves for a three-phase induction motor with a cage rotor, are shown in the illustration. Which of the following statements is true concerning the depicted curves? EL-0056 A. As slip ... D. If the motor is loaded to the point where 40% slip has resulted, it will stall.

Last Answer : Answer: D

The figure shows the front view of a convex lens, which originally had only one edge. Five holes of different shapes, namely triangle, square, pentagon, hexagon and circle, were drilled through it at points P, Q, R, S and T in such a way that the holes were parallel to each other, perpendicular to the edge and all the holes were still within the lens edge. What is the total number of edges in the lens after the holes were drilled?

Description : The figure shows the front view of a convex lens, which originally had only one edge. Five holes of different shapes, namely triangle, square, pentagon, hexagon and circle, were drilled through it at points P ... . What is the total number of edges in the lens after the holes were drilled? 

Last Answer : 57

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

Degree of consolidation is (A) Directly proportional to time and inversely proportional to drainage path (B) Directly proportional to time and inversely proportional to square of drainage path (C) Directly proportional to drainage path and inversely proportional to time (D) Directly proportional to square of drainage path and inversely proportional to time

Description : Degree of consolidation is (A) Directly proportional to time and inversely proportional to drainage path (B) Directly proportional to time and inversely proportional to square of drainage path (C ... to time (D) Directly proportional to square of drainage path and inversely proportional to time

Last Answer : Answer: Option B

Pick up the correct statement from the following: (A) In a gully trap, a water seal of 6 to 7.5 cm is provided (B) The gully trap collects waste water from the kitchen, sink, wash basins, etc. (C) The gully trap disconnects the sullage drain from the main drainage system (D) The grating provided over gully traps is 23 cm square

Description : Pick up the correct statement from the following: (A) In a gully trap, a water seal of 6 to 7.5 cm is provided (B) The gully trap collects waste water from the kitchen, sink, wash basins ... the sullage drain from the main drainage system (D) The grating provided over gully traps is 23 cm square

Last Answer : (B) The gully trap collects waste water from the kitchen, sink, wash basins, etc.

The formula Q = P - K [1.8T + 32] in which Q is runoff, P is annual rain fall in cm, T is mean annual temperature in centigrade and K is a constant, is known (A) Justin's formula (B) Khosla's formula (C) English formula (D) Vermule's formula

Description : The formula Q = P - K [1.8T + 32] in which Q is runoff, P is annual rain fall in cm, T is mean annual  temperature in centigrade and K is a constant, is known  (A) Justin's formula  (B) Khosla's formula  (C) English formula  (D) Vermule's formula

Last Answer : (B) Khosla's formula 

If the potential infiltration of a water shed having a soil with fair pasture cover, is 10 cm and rainfall is 12 cm, the direct run off is : (A) 2 cm (B) 3 cm (C) 5 cm (D) 7 cm

Description : If the potential infiltration of a water shed having a soil with fair pasture cover, is 10 cm and rainfall is 12 cm, the direct run off is : (A) 2 cm (B) 3 cm (C) 5 cm (D) 7 cm

Last Answer : Answer: Option C

Is there a formula that can calculate rainfall on a gallons-per-square-mile basis?

Description : Is there a formula that can calculate rainfall on a gallons-per-square-mile basis?

Last Answer : answer:It's a relatively straightforward conversion problem. Once you figure out how big the drops are (and if you have a good count of drops per minute per area) then it's not hard at all. The tough ... but your example is close enough to that). EDIT: 1 Acre-Foot of water is 325,852 US gallons.

In a Sarda type fall, rectangular crest is used for discharge upto (A) 6 cumecs (B) 10 cumecs (C) 14 cumecs (D) 20 cumecs

Description : In a Sarda type fall, rectangular crest is used for discharge upto (A) 6 cumecs (B) 10 cumecs (C) 14 cumecs (D) 20 cumecs

Last Answer : Answer: Option C

ed planting is practiced for row crops in (a) Semi-arid conditions to place seed deep in moist soil (b) High rainfall areas to improve surface drainage (c) Irrigated areas leaving more space for operation of equipments (d) Both (b) and (c)

Description : ed planting is practiced for row crops in (a) Semi-arid conditions to place seed deep in moist soil (b) High rainfall areas to improve surface drainage (c) Irrigated areas leaving more space for operation of equipments (d) Both (b) and (c)

Last Answer : d) Both (b) and (c)

Lister planting or furrow planting is practiced for (a) High rainfall areas to improve surface drainage (b) Semi-arid conditions to place seed deep in moist soil (c) Areas where natural moisture conditions are favourable (d) Irrigated areas leaving more space for operation of equipments

Description : Lister planting or furrow planting is practiced for (a) High rainfall areas to improve surface drainage (b) Semi-arid conditions to place seed deep in moist soil (c) Areas where natural moisture conditions are favourable (d) Irrigated areas leaving more space for operation of equipments

Last Answer : (b) Semi-arid conditions to place seed deep in moist soil

Flat planting predominates where a) Nature moisture content is favourable b) Rainfall is high to provide surface drainage c) Semi arid areas to conserve moisture d) None of the above

Description : Flat planting predominates where a) Nature moisture content is favourable b) Rainfall is high to provide surface drainage c) Semi arid areas to conserve moisture d) None of the above

Last Answer : a) Nature moisture content is favourable

The distance (in km) of 40 engineers -Maths 9th

Description : The distance (in km) of 40 engineers -Maths 9th

Last Answer : Frequency distribution of above data in tabular form is given as : It is observed that 36 engineers out of 40 live at a distance not more than 20 km from their residence.

If Cv is the coefficient of consolidation, is the time and is drainage path of one dimensional consolidation of soil, the time factor Tv, is given by (A) Tv = d²/Cv t (B) Tv = t²/d²Cv (C) Tv = Cv3 /d²t (D) Tv = Cv t/dt

Description : If Cv is the coefficient of consolidation, is the time and is drainage path of one dimensional consolidation of soil, the time factor Tv, is given by (A) Tv = d²/Cv t (B) Tv = t²/d²Cv (C) Tv = Cv3 /d²t (D) Tv = Cv t/dt

Last Answer : Answer: Option D

How much do Civil Engineers get paid per year on average?

Description : How much do Civil Engineers get paid per year on average?

Last Answer : The average salary for a Civil Engineer, based on my research from WikiAnswers, is around $75,000 a year. It can actually range from about $50,000 to $115,000.

What is the educational requirement for civil engineers?

Description : What is the educational requirement for civil engineers?

Last Answer : You are going to need a degree in civil engineering in most states. Some states don't require it but some do and most employers are going to want you to have the degree.

What types of jobs are available for civil engineers?

Description : What types of jobs are available for civil engineers?

Last Answer : Civil engineers are the builders of a culture. They built the roads and the bridges, the skyscrapers, the airports. They are the master builders of history! Check with the admissions offices of any ... the world to build. If you liked tinker toys and legos you are going to love engineering!

The coefficient of friction depends upon (A) Nature of surfaces (B) Area of contact (C) Shape of the surfaces (D) All of the above

Description : The coefficient of friction depends upon (A) Nature of surfaces (B) Area of contact (C) Shape of the surfaces (D) All of the above

Last Answer : (A) Nature of surfaces

The strength and quality of concrete, depend upon: (A) Grading of aggregates (B) Surface area of aggregates (C) Shape of aggregates (D) All the above

Description : The strength and quality of concrete, depend upon: (A) Grading of aggregates (B) Surface area of aggregates (C) Shape of aggregates (D) All the above

Last Answer : Answer: Option D

The strength and quality of concrete depends upon (i)Grading of aggregates (ii)Shape of aggregates (iii)Surface area of aggregates (iv)Surface texture of aggregates [ A ] i, ii and iv [ B ] ii, iii and iv [ C ] i, iii and iv [ D ] i, ii, iii and iv

Description : The strength and quality of concrete depends upon (i)Grading of aggregates (ii)Shape of aggregates (iii)Surface area of aggregates (iv)Surface texture of aggregates [ A ] i, ii and iv [ B ] ii, iii and iv [ C ] i, iii and iv [ D ] i, ii, iii and iv

Last Answer : [ D ] i, ii, iii and iv

Two mail trains Pand Q of 300 m and 600m, run at speed of 130 km/hr and 160 km/hr respectively, in the direction opposite direction to each other. Find the time required to cross each other after the moment they met? A) 11.17 sec B) 12sec C) 9.10sec D) 21sec

Description : Two mail trains Pand Q of 300 m and 600m, run at speed of 130 km/hr and 160 km/hr respectively, in the direction opposite direction to each other. Find the time required to cross each other after the moment they met? A) 11.17 sec B) 12sec C) 9.10sec D) 21sec

Last Answer :  ANSWER:A Explanation:  Length of train P = 300 m  Length of train Q = 600 m  Speed of train p = 130 kmph  Convert km/hr into m/s,  Speed of train p =(130 *5/18)m/s  = 650/18 m/s  = 36.11 m/ ... train B)  = (300+600)m = 900 m We know, time =distance /speed  = 900/ 80.55  = 11.17seconds

depends upon The Chezy’s constant C in the formula V = C A. Size of the sewer B. Shape of the sewer C. Roughness of sewer surface D. All the above

Description : depends upon The Chezy’s constant C in the formula V = C A. Size of the sewer B. Shape of the sewer C. Roughness of sewer surface D. All the above

Last Answer : ANS: D