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

1 Answer

Answer :

Answer: Option D

Related questions

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

Description : The human factors which cause floods are: (a) Deforestation (b) Heavy rainfall (c) Cloud burst (d) Large catchment area

Last Answer : (a) Deforestation

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.

Description : In hill roads the side drains arc provided (A) Only on the hill side of road (B) Only on the opposite side of hill (C) On both sides of roa (D) None of the above

Last Answer : Answer: Option A

Description : The drain which is provided parallel to roadway to intercept and divert the water from hill slopes is known as (A) Sloping drain (B) Catch-water drain (C) Side drain (D) Cross drain

Last Answer : Answer: Option B

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 

Description : The catch water drains are provided in the a) Formation in the embankment b) Formation in cutting* c) Zero fills formation d) Steep gradient

Last Answer : b) Formation in cutting*

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

Description : Along a hill road, a side drain is provided on (A) Outer side of a spur curve (B) Outer side of a re-entrant curve (C) Outer side of both (a) and (b) (D) Inner side of both (a) and (b)

Last Answer : Answer: Option D

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.

Description : The deficiency in rain catch due to vertical acceleration of air forced upward over the gauge, is (A) Greater for heavy rain (B) Greater for lighter rain (C) Greater for large drops (D) Lesser for small rain drops

Last Answer : Answer: Option B

Description : Side drains on both sides of a hill road, are essential when the road is (A) Along the spur curves (B) Along the re-entrant curves (C) In cutting (D) None of these

Last Answer : Answer: Option C

Description : Cross sectional area of catch water drain should not be more than a) 0 .75 square meter* b) 0. 90 square meter c) 0. 80 square meter d). 50 square meter

Last Answer : a) 0 .75 square meter*

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 : Pick up the incorrect statement regarding a master trap from the following: (A) It is provided in between the lower end of the house drain and the street sewer (B) It is provided a cleaning eye at the ... fitted at the top of the inlet pipe (D) The water seal is less than that of ordinary traps

Last Answer : (D) The water seal is less than that of ordinary traps

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

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

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

Description : Grillage foundation (A) Is used to transfer heavy structural loads from steel columns to a soil having low bearing capacity (B) Is light and economical (C) Does not require deep cutting as the required base area with required pressure intensity is obtained at a shallow depth (D) All the above

Last Answer : Answer: Option D

Description : The type of bond provided in brick masonry for carrying heavy loads is (A) Single Flemish bond (B) Double Flemish bond (C) English bond (D) Zigzag bond

Last Answer : Answer: Option C

Description : The valves provided at low points of pipes to drain off water quickly under gravity, are called (A) Blow off valves (B) Drain valves (C) Sewer valves (D) All the above

Last Answer : (D) All the above

Description : Pick up the incorrect statement from the following: (A) Tresguet did not provide the top camber for the drainage of surface water (B) Tresguet provided the top camber for the drainage of surface ... (D) Macadam provided a camber to the formation at the dug-up state, to drain percolated water

Last Answer : Answer: Option A

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.

Description : Pick up the incorrect statement from the following: (A) The retaining wall should be structurally capable to resist the applied earth pressure (B) The section of the retaining wall should be so ... off water from the earth retained, weep holes are provided near the top of the retaining wall

Last Answer : Answer: Option D

Description : Weep holes are provided in retaining and breast walls (A) To drain off the water from the filling (B) To ventilate the stone masonry (C) To add architectural beauty (D) To increase compaction of the earth retained

Last Answer : Answer: Option A

Description : A flash flood is a flood that: (a) is caused by heavy rain rather than from the flooding of a river (b) occurs in urban areas (c) occurs suddenly and unexpectedly and for a short duration (d) is caused by the blocking of drains.

Last Answer : (c) occurs suddenly and unexpectedly and for a short duration

Description : A flash flood is a flood that a) is caused by heavy rain rather than from the flooding of a river b) occurs in urban areas c. occurs suddenly and unexpectedly and for a short duration d. is caused by the blocking of drains.

Last Answer : c. occurs suddenly and unexpectedly and for a short duration

Description : Road width 8.8 m of two lane National highways or State highways in mountainous terrain (A) Excludes the width of parapet (0.6 m) (B) Excludes the width of side drain (0.6 m) (C) Excludes the width of parapet and side drain (D) Includes the width of parapet and side drain

Last Answer : Answer: Option C

Description : Formation width of a hill road is the distance between (A) Outer end of side drain to outer end of parapet wall (B) Outer end of side drain to inner end of parapet wall (C) Inner end of side drain to outer end of parapet wall (D) Inner end of side drain to inner end of parapet wall

Last Answer : Answer: Option A

Description : Structural unemployment arises due to : (1) deflationary conditions (2) heavy industry bias (3) shortage of raw materials (4) inadequate productive capacity

Last Answer : (4) inadequate productive capacity Explanation: Structural unemployment is a form of unemployment resulting from a mismatch between demand in the labour market and the skills and locations of the workers ... they are unsuited for work in growing sectors such as health care or high technology.

Description : You became aggressive on those parental issues which you feel inadequate because Options: A) It has heavy impact on your brain and create obstacles in your life B) You have lost ... inappropriate behaviour C) You cannot rationalize their thinking D) You have developed the negative attitude

Last Answer : B) You have lost sympathy in their inappropriate behaviour 

Description : Structural unemployment arises due to : (1) deflationary conditions (2) heavy industry bias (3) shortage of raw materials (4) inadequate productive capacity

Last Answer : inadequate productive capacity

Description : Justify the remedial measures for the following defects in earthen road: i) Formation of dust during dry weather ii) Growth of vegetation inside drains and their silting up

Last Answer : i) Formation of dust during dry weather: The dust nuisance may be remedied by the following methods: Frequent sprinkling of water Treatment with calcium chloride Use of other dust palliatives Use of ... the drain. Silting up of weeds, plants, bushes etc. causes obstruction in the flow of water.

Description : State the necessity of providing catch water drain in Hill Roads.

Last Answer : 1) Catch water drains are provided to collect excessive rainwater in heavy rainfall regions i.e. in case of hill roads. 2) These drains are useful to avoid large water flow reaching to hill ... be excavated natural rock section on hill top side which avoids erosion of soil along hill road.

Description : In distribution pipes, drain valves are provided at (A) Lower point (B) Higher point (C) Junction points (D) Anywhere

Last Answer : (A) Lower point

Description : The trap which is provided to disconnect the house drain from the street sewer is called (A) Master trap (B) Intercepting trap (C) Interception manhole (D) All the above

Last Answer : (D) All the above

Description : The runoff is affected by (A) Type of precipitation (B) Rain intensity and duration of rainfall (C) Rain distribution and soil moisture deficiency (D) All the above

Last Answer : Answer: Option D

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

Description : The rainfall at any place is described by (A) Its intensity (B) Its duration (C) Its frequency (D) All the above

Last Answer : Answer: Option D

Description : A hyetograph is a graphical representation of (A) Rainfall intensity and time (B) Rainfall depth and time (C) Discharge and time (D) Cumulative rainfall and time

Last Answer : Answer: Option A

Description : Consider the following statements: 1. Tamil Nadu is the only area which receives about half of its rainfall from north-east monsoon winds. 2. Kerala is the only state receiving very heavy rainfall from the south-west monsoon winds. 3. In India ... ] (a) 1, 2 and 3 (b) 1 and 2 (c) 1 and 3 (d) 2 and 3

Last Answer : Ans: (a)

Description : he soil which is found in the areas having heavy rainfall and high humidity, contains large quantity of organic matter and heavy and black in colour – a. Black soil b. Peat soil c. Forest soil d. Laterite soil

Last Answer : b. Peat soil

Description : The reinforcement in a continuous slab is provided (a) At the top of the slab portion over the intermediate supports. (b) At the bottom of the slab portion over the intermediate supports. (c) All the middle of the slab portion over the intermediate supports (d) All the above

Last Answer : (a) At the top of the slab portion over the intermediate supports.

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

Description : To prevent a head-on-collision of vehicles travelling in opposite directions along four-lane roads (A) Markings on the road are provided (B) Physical dividers are provided (C) Area dividers are provided (D) Medians of wide area are provided

Last Answer : Answer: Option D

Description : Terzaghi's theory of one dimensional consolidation assumes (A) Load is applied in one direction (B) Coefficient of permeability is constant (C) Excess pore water drains out only in the vertical direction (D) All the above

Last Answer : Answer: Option D

Description : 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

Last Answer : Answer: Option 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

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