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

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
by

1 Answer

Answer :

Answer: Option C
by

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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

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

Description : 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

Last Answer : Answer: Option B

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

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

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 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

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

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

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 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

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

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

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

For Q 45, Tangent vector for line L2 a.i+4j-k b.2i+4j+k c.i-4j-2k d.i+4j+2k

Description : For Q 45, Tangent vector for line L2 a.i+4j-k b.2i+4j+k c.i-4j-2k d.i+4j+2k

Last Answer : d.i+4j+2k

If l1 and l2 are the lengths of long and short spans of a two way slab simply supported on four edges and carrying a load w per unit area, the ratio of the loads split into w1 and w2acting on strips parallel to l2 and l1 is (A) w1/w2 = l2/l1 (B) w1/w2 = (l2/l1)² (C) w1/w2 = (l2/l1)3 (D) w1/w2 = (l2/l1)

Description : If l1 and l2 are the lengths of long and short spans of a two way slab simply supported on four edges and carrying a load w per unit area, the ratio of the loads split into w1 and w2acting on strips parallel to l2 and l1 is (A) ... l1 (B) w1/w2 = (l2/l1)² (C) w1/w2 = (l2/l1)3 (D) w1/w2 = (l2/l1)

Last Answer : Answer: Option D

M L2 T–2 is the dimensional formula for (a) Moment of inertia (b) Pressure (c) Elasticity (d) Couple acting on a body

Description : M L2 T–2 is the dimensional formula for (a) Moment of inertia (b) Pressure (c) Elasticity (d) Couple acting on a body

Last Answer : Ans:(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

If metres is the distance between extreme axles of a vehicle, its gross load should not exceed (A) 1525 (L + 4.3) - 14.7 L2 (B) 1526 (L + 5.3) - 14.7 L2 (C) 1525 (L + 6.3) - 14.7 L2 (D) 1525 (L + 7.3) - 14.7 L2

Description : If metres is the distance between extreme axles of a vehicle, its gross load should not exceed (A) 1525 (L + 4.3) - 14.7 L2 (B) 1526 (L + 5.3) - 14.7 L2 (C) 1525 (L + 6.3) - 14.7 L2 (D) 1525 (L + 7.3) - 14.7 L2

Last Answer : Answer: Option 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 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

Which one of the following statements is correct regarding the GPS satellites? (A) The nominal altitude is about 20,200 km (B) The inclination of axis satellite is 55° (C) The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz) (D) All of these

Description : Which one of the following statements is correct regarding the GPS satellites? (A) The nominal altitude is about 20,200 km (B) The inclination of axis satellite is 55° (C) The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz) (D) All of these

Last Answer : Answer: Option 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 

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. 

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 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

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

Compounds P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is `C_(8)H_(8)O`. Q undergoes cannizzaro reactions b

Description : Compounds P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is `C_(8)H_(8)O`. Q undergoes cannizzaro reactions b

Last Answer : Compounds P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is `C_(8) ... R , respectively is (are) A. B. C. D.

The run off is affected by (A) Size of the basin (B) Shape of the basin (C) Elevation of the water shed (D) All the above

Description : The run off is affected by (A) Size of the basin (B) Shape of the basin (C) Elevation of the water shed (D) All the above

Last Answer : Answer: Option D

If is in kilometres, the curvature correction is (A) 58.2 L2 mm (B) 64.8 L2 mm (C) 74.8 L2 mm (D) 78.4 L2 mm

Description : If is in kilometres, the curvature correction is (A) 58.2 L2 mm (B) 64.8 L2 mm (C) 74.8 L2 mm (D) 78.4 L2 mm

Last Answer : (D) 78.4 L2 mm

The combined effect of curvature and refraction over a distance kilometres is (A) 67.2 L2 mm (B) 76.3 L2 mm (C) 64.5 L2 mm (D) None of these

Description : The combined effect of curvature and refraction over a distance kilometres is (A) 67.2 L2 mm (B) 76.3 L2 mm (C) 64.5 L2 mm (D) None of these

Last Answer : (A) 67.2 L2 mm

A compound pipe of diameter d1, d2 and d3 having lengths l1, l2 and l3 is to be replaced by an equivalent pipe of uniform diameter d and of the same length (l) as that of the compound pipe. The size of the equivalent pipe is given by (A) l/d² = + + (B) l/d³ = + ) + (C) = + + (D)

Description : A compound pipe of diameter d1, d2 and d3 having lengths l1, l2 and l3 is to be replaced by an equivalent pipe of uniform diameter d and of the same length (l) as that of the compound pipe. The size of the equivalent pipe is given by (A) l/d² = + + (B) l/d³ = + ) + (C) = + + (D)

Last Answer : Answer: Option D

If R is the radius of a main curve and L is the length of the transition curve, the shift of the curve, is (A) L/24 R (B) L2 /24 R (C) L3 /24 R (D) L4 /24 R

Description : If R is the radius of a main curve and L is the length of the transition curve, the shift of the curve, is (A) L/24 R (B) L2 /24 R (C) L3 /24 R (D) L4 /24 R

Last Answer : Answer: Option B

The horizontal angles from the boat between A and B and B and C, the stations on the shore are 1 2. The distances AB = L1 and BC = L2 2 at C between the boat and station B between A and C at B). (A) 1 2) = (L2 1/L1 2) = K (B) t 2 = 360° - 1 2 (C) 2 = sin /(K + ) (D) All the above

Description : The horizontal angles from the boat between A and B and B and C, the stations on the shore are 1 2. The distances AB = L1 and BC = L2 2 at C between the boat and station B between A and C at B). (A) 1 2) = (L2 1/L1 2) = K (B) t 2 = 360° - 1 2 (C) 2 = sin /(K + ) (D) All the above

Last Answer : (D) All the above

The uplift pressure on a dam can be controlled by (i) Constructing cut-off under upstream face (ii) Constructing drainage channels between the dam and its foundation (iii) By pressure grouting in foundation The correct answer is (A) Only (i) (B) Both (i) and (ii) (C) Both (i) and (iii) (D) (i), (ii) and (iii)

Description : The uplift pressure on a dam can be controlled by (i) Constructing cut-off under upstream face (ii) Constructing drainage channels between the dam and its foundation (iii) By pressure grouting in foundation The correct answer is ... ) and (ii) (C) Both (i) and (iii) (D) (i), (ii) and (iii)

Last Answer : Answer: Option D

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

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 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

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

For high flood estimates the average value of the constant C in Dicken's formula Q =CA3/4, is (A) 6.5 (B) 8.5 (C) 9.5 (D) 11.5

Description : For high flood estimates the average value of the constant C in Dicken's formula Q =CA3/4, is (A) 6.5 (B) 8.5 (C) 9.5 (D) 11.5

Last Answer : Answer: Option D