Pick up the correct statement from the following:
(A) The unit hydrograph of a specified unit duration obtained from the past data can be used to
obtain the hydrograph of future storms of like duration
(B) To obtain the ordinates of storm hydrograph, the ordinates of unit hydrograph are
multiplied by the multiplying factor
(C) The multiplying factor for storm hydrograph may be obtained by dividing the run off in mm
by 25 mm
(D) All the above

1 Answer

Answer :

Answer: Option D

Related questions

Description : A unit hydrograph is a hydrograph of a rain storm of a specified duration resulting from a run-off of (A) 15 mm (B) 20 mm (C) 25 mm (D) 30 mm

Last Answer : Answer: Option B

Description : If the area of storm hydrograph is equal to 102 cm, the ordinates of a unit hydrograph may be obtained by dividing the ordinates of the storm hydrograph by (A) 0.5 (B) 1 (C) 2 D) 4

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) The specified duration of unit hydrograph, is called unit duration (B) The rain during specified duration, is called unit storm (C) The number of unit hydrographs for a given basin, is theoretically infinite (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) The bearing capacity of a pile is defined as the load which can be sustained by the pile without producing excessive settlement (B) The safe bearing capacity ... of safety (C) The factor of safety for piles is taken as 6 (D) All the above

Last Answer : Answer: Option D

Description : Instantaneous unit hydrograph is a hydrograph of (i) Unit duration (ii) Unit rainfall excess (iii) Infinitely small duration (iv) Infinitely small rainfall excess The correct answer is (A) (i) and (ii) (B) (i) and (iv) C) (ii) and (iii) (D) (iii) and (iv)

Last Answer : Answer: Option C

Description : The peak of a 4 hour flood hydrograph is 240 m3 /sec. If the rainfall excess is 80 mm and base flow which is constant is 40 m3 /sec, peak of 4hours unit hydrograph will be (A) 20 m3 /sec (B) 25 m3 /sec (C) 30 m3 /sec (D) 35 m3 /sec

Last Answer : Answer: Option B

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

Description : Pick up the correct statement from the following:  (A) A hydrograph is a plot of discharge versus time  (B) A mass curve is a plot of accumulated flow versus time  (C) The mass curve continuously rises  (D) All the above 

Last Answer : (D) All the above 

Description : Pick up the correct statement from the following: (A) Hydrograph is a plot of discharge and time (B) In hydrographs, time is plotted on X-axis (C) The maximum flow in the river due to rainfall, is called peak flow (D) All the above

Last Answer : Answer: Option D

Description : The shape of recession limb of a hydrograph depends upon (A) Basin characteristics only (B) Storm characteristics only (C) Both (A) and (B) (D) None of the above

Last Answer : Answer: Option A

Description : One of the tacheometric constants is additive, the other constant, is  (A) Subtractive constant  (B) Multiplying constant  (C) Dividing constant  (D) Indicative constant 

Last Answer : (B) Multiplying constant 

Description : The maximum average depth due to one day storm over an area of 100 km² is 100 mm. Depth￾Area-Duration (DAD) curves indicate the same area of 100 km² the maximum average depth for a 3 hour storm will be (A) 100 mm (B) More than 100 mm (C) Less than 100 mm (D) None of the above

Last Answer : Answer: Option B

Description : Hydrograph is a graphical representation of (A) Surface run off (B) Ground water flow (C) Rain fall (D) Discharge flowing in the river

Last Answer : Answer: Option D

Description : The grade resistance factor for an earth moving machine can be obtained by multiplying grade percentage by a factor approximately equal to (A) 2 kg/tonne (B) 6 kg/tonne (C) 9 kg/tonne (D) 20 kg/tonne

Last Answer : (C) 9 kg/tonne

Description : The length of a traverse leg may be obtained by multiplying the latitude and (A) Secant of its reduced bearing (B) Sine of its reduced bearing (C) Cosine of its reduced bearing (D) Tangent of its reduced bearing

Last Answer : (A) Secant of its reduced bearing

Description : Pick up the correct statement from the following: (A) Isotropic consolidation of clay can be obtained in the triaxial apparatus under equal all￾round pressure (B) If the present effective stress is the ... more than present effective stress, it is called over-consolidated clay (D) All the above

Last Answer : Answer: Option D

Description : Poise is converted into stoke by (A) Multiplying with density (gm/c.c) (B) Dividing by density (gm/c.c) (C) Multiplying with specific gravity (D) Dividing by specific gravity

Last Answer : (B) Dividing by density (gm/c.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

Description : Time of concentration  (A) Is the time taken, for precipitation  (B) Duration of rainfall  (C) Time taken for all the ran off to reach the drain  (D) Time taken for the storm water to travel from the most remote point to the drain 

Last Answer : (D) Time taken for the storm water to travel from the most remote point to the drain 

Description : Which co-ordinates allow common vector operations such as translation, rotation,scaling and perspective projection to be represented as a matrix by which the vector is multiplied? a.vector co-ordinates b.3D co-ordinates c.affine co-ordinates d.homogenous co-ordinates

Last Answer : d.homogenous co-ordinates

Description : At any point of a beam, the section modulus may be obtained by dividing the moment of inertia of  the section by  (A) Depth of the section  (B) Depth of the neutral axis  (C) Maximum tensile stress at the section  (D) Maximum compressive stress at the section

Last Answer : (B) Depth of the neutral axis 

Description : For predicting floods of a given frequency, the best reliable method is (A) Unit hydrograph method (B) Gumbel's analytical method (C) California method (D) None of these

Last Answer : Answer: Option A

Description : The best unit period of a unit hydrograph, is equal to basin lag divided by (A) 2 (B) 3 (C) 4 (D) 5

Last Answer : Answer: Option C

Description : Unit Hydrograph theory was enunciated by (A) Merril Bernard (B) W.W. Horner (C) Le-Roy K. Shermen (D) Robert E. Horten

Last Answer : Answer: Option C

Description : Rankine's deflection angle in minutes is obtained by multiplying the length of the chord by (A) Degree of the curve (B) Square of the degree of the curve (C) Inverse of the degree of the curve (D) None of these

Last Answer : (A) Degree of the curve

Description : Pick up the correct statement from the following: (A) Phase of a wave is expressed as a fraction of a period with respect to a reference (B) Phase is usually specified by angular measure with ... from the previous passage through zero from the negative to the positive direction (D) All of these

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) The apparent error on reversal is twice the actual error (B) The correction may be made equal to half the observed discrepancy (C) The ... a defective instrument by reversing and taking the mean of two erroneous results (D) All the above

Last Answer : (D) All the above

Description : Pick up the correct statement from the following: (A) Sand obtained from pits, is washed to remove clay and silt (B) Sand obtained from flooded pits, need not be washed before use (C) The ... shore sand and shingle may cause corrosion of reinforcement if the concrete is porous (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) Slaked lime contains calcium hydroxide (B) Quick lime contains calcium oxide (C) Slaked lime may be obtained from quick lime (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) The intensity of rain is the rate at which it falls (B) The duration of rain is the time for which it falls with a given intensity (C) The frequency of rain is the number of times, if falls (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) The duration between the earliest start time of the preceding event and latest finish time of the succeeding event, is called 'float' (B) ... C) The difference between total float and free float, is called interfering float (D) All the above

Last Answer : (D) All the above

Description : Pick out the correct statement. (A) Chemical oxygen demand (COD) is a measure of chemically oxidisable organic matter present in water (B) COD is determined by oxidising the organic matter present in water with potassium dichromate ... of potable water may be 1-2 mg/litre (D) All (A), (B) and (C)

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

Description : What is obtained by dividing the unit of ball by the unit of area ?

Last Answer : The unit of pressure is obtained by dividing the unit of the ball by the unit of area.

Description : Pick up the incorrect statement from the following: (A) While measuring a distance with a tape of length 100.005 m, the distance to be increasing by 0.005 m for each tape length (B) An increase in ... ) A 100 m tape of cross section 10 mm 0.25 mm stretches about 10 mm under 5 kg pull

Last Answer : (B) An increase in temperature causes a tape to increase in length and the measured distance is too large

Description : Pick up the correct statement from the following: (A) Coefficient of compressibility is the decrease in void ratio per unit increase of pressure (B) The percent settlement at any time is called degree of consolidation (C) Time factor is a dimensionless quantity (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) Run off and surface run off are the same (B) Run off includes the water flowing over the surface (C) Run off is sometimes called discharge of the river (D) Surface run off is sometimes called stream flow

Last Answer : Answer: Option C

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

Description : Pick out the wrong statement pertaining to space velocity of flow reactors. (A) The unit of space velocity is (time) -1 (B) The space velocity of 3 hr -1 means that three reactor volumes of ... one third reactor volume of feed at specified conditions are being fed into the reactor (D) None of these

Last Answer : (C) The space velocity of 3 hr -1 means that one third reactor volume of feed at specified conditions are being fed into the reactor

Description : Transition curves are introduced at either end of a circular curve, to obtain (A) Gradually decrease of curvature from zero at the tangent point to the specified quantity at the junction of the ... specified amount at the junction of the transition curve with main curve (D) None of these

Last Answer : (B) Gradual increase of super-elevation from zero at the tangent point to the specified amount at the junction of the transition curve with main curve

Description : Pick up the correct statement from the following: (A) The maximum size of a coarse aggregate, is 75 mm and minimum 4.75 mm (B) The maximum size of the fine aggregate, is 4.75 mm and minimum 0.075 mm ( ... having particles of size varying from 0.06 mm to 0.002 mm, is known as silt (D) All the ab

Last Answer : Answer: Option D

Description : Pick up the correct statement about silt soil from the following: (A) The silt soil has particle size from 0.02 mm to 0.06 mm (B) In organic fine grained silt soil possesses no ... The least plastic type normally consists of more or less equidimensional grains of quartz (D) All the above

Last Answer : Answer: Option D

Description : The most reliable method of plotting a theodolite traverse, is (A) By consecutive co-ordinates of each station (B) By independent co-ordinates of each station (C) By plotting included angles and scaling off each traverse leg (D) By the tangent method of plotting

Last Answer : (B) By independent co-ordinates of each station

Description : Two port networks are connected in cascade. The parameters of the network are obtained by multiplying in individual

Last Answer : Two port networks are connected in cascade. The parameters of the network are obtained by multiplying in individual ABCD parameter matrix

Description : Short-circuit kVA is obtained by multiplying the base kVA by (1) 10% X (2) 20% X (3) 50% X (4) 100% X

Last Answer : 100%

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

Description : Pick up the correct statement from the following:  (A) The pH value of neutral water is 7  (B) The maximum acidity is obtained when pH value is zero . (C) The maximum alkalinity is obtained when pH value is 14  (D) All the above

Last Answer : (D) All the above

Description : Pick up the correct statement from the following: (A) A maximum value of dry density is obtained at optimum water content (B) At low value of water content most soils tend to be stiff (C) At high water content, the dry density decreases with an increase of water content (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) The dry density reduces by addition of water after attaining optimum moisture content (B) The line joining the peak of three moisture content graphs ... be compacted to a very high density as compared to fine grained soils (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following (A) The ratio of the up flux and down flux just above the snow surface, is called albedo (B) Spectral albedo of snow is calculated for the semi- ... equivalent height of snow is the height of water column obtained by melting snow (D) All of these

Last Answer : Answer: Option D