In areas where rainy season is limited to a few months, the type of sewerage system recommended is A. Combined system B. Partially separate system C. Separate system D. None of these

In areas where rainy season is limited to a few months, the type of sewerage system recommended is A. Combined system B. Partially separate system C. Separate system D. None of these
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In areas where light rains are uniformly distributed throughout the year, the type of sewerage system to be adopted is A. Separate system B. Combined system C. Partially combined system D. None of these

Description : In areas where light rains are uniformly distributed throughout the year, the type of sewerage system to be adopted is A. Separate system B. Combined system C. Partially combined system D. None of these

Last Answer : ANS: B

Sewerage system of a railway colony may be (a) Combined system (b) Separate system (c) Partially combined system (d) Any of them*

Description : Sewerage system of a railway colony may be (a) Combined system (b) Separate system (c) Partially combined system (d) Any of them*

Last Answer : (d) Any of them*

The most efficient cross-section of sewers in a combined sewerage system is A. Parabolic B. Circular C. Rectangular D. New egged

Description : The most efficient cross-section of sewers in a combined sewerage system is A. Parabolic B. Circular C. Rectangular D. New egged

Last Answer : ANS: B

The most efficient cross section of sewers in a separate sewerage system is A. Parabolic B. Circular C. Rectangular D. New egged

Description : The most efficient cross section of sewers in a separate sewerage system is A. Parabolic B. Circular C. Rectangular D. New egged

Last Answer : ANS: B

Pick up the correct statement from the following: A. The circular section of sewers provides maximum hydraulic mean depth B. The circular sewers are provided for separate sewerage system C. The circular sewers work efficiently if the sections run at least half full D. All the above

Description : Pick up the correct statement from the following: A. The circular section of sewers provides maximum hydraulic mean depth B. The circular sewers are provided for separate sewerage system C. The circular sewers work efficiently if the sections run at least half full D. All the above

Last Answer : ANS: D

The sewerage system originates from A. House sewers B. Lateral sewers C. Branch sewers D. Main sewers

Description : The sewerage system originates from A. House sewers B. Lateral sewers C. Branch sewers D. Main sewers

Last Answer : ANS: A

The sewerage system consists of A. House sewer B. Lateral sewer C. Branch sewer D. All of these

Description : The sewerage system consists of A. House sewer B. Lateral sewer C. Branch sewer D. All of these

Last Answer : ANS: D

The water carried sewerage system removes A. Domestic sewage B. Industrial sewage C. Storm sewage D. All the above

Description : The water carried sewerage system removes A. Domestic sewage B. Industrial sewage C. Storm sewage D. All the above

Last Answer : ANS: D

Pick up the incorrect statement from the following: A. The mixture of water and waste products, is called sewage B. The treated sewage effluents, are generally used for irrigating the crops C. The process of collecting, treating and disposing off the sewage, is called sewerage D. The old convergence system was definitely better than water carried sewerage system

Description : Pick up the incorrect statement from the following: A. The mixture of water and waste products, is called sewage B. The treated sewage effluents, are generally used for irrigating the ... is called sewerage D. The old convergence system was definitely better than water carried sewerage system

Last Answer : ANS: D

The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is A. 20 cm B. 25 cm C. 40 cm D. 50 cm

Description : The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is A. 20 cm B. 25 cm C. 40 cm D. 50 cm

Last Answer : ANS: D

3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 dayincubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is A. 100 mg/l B. 200 mg/l C. 300 mg/l D. 400 mg/l

Description : 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 dayincubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is A. 100 mg/l B. 200 mg/l C. 300 mg/l D. 400 mg/l

Last Answer : ANS: C

A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is A. 0.30 m/sec B. 0.35 m/sec C. 0.40 m/sec D. 0.45 m/sec

Description : A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is A. 0.30 m/sec B. 0.35 m/sec C. 0.40 m/sec D. 0.45 m/sec

Last Answer : ANS: D

Traps A. Are water seals which prevent the entry of foul gases B. Are used to trap the rats entering sewers C. Dissolve the foul gases D. Create symphonic action to increase the quick disposal of sewerage

Description : Traps A. Are water seals which prevent the entry of foul gases B. Are used to trap the rats entering sewers C. Dissolve the foul gases D. Create symphonic action to increase the quick disposal of sewerage

Last Answer : ANS: A

Assertion A.: The determination of pH value of sewerage is important. Reason (R): The efficiency of certain treatment methods depends upon the availability of pH value. A. Both A and R are true and R is the correct explanation of A B. Both A and R are true but R is not a correct explanation of A C. A is true but R is false D. A is false but R is true

Description : Assertion A.: The determination of pH value of sewerage is important. Reason (R): The efficiency of certain treatment methods depends upon the availability of pH value. A. Both A and R are true and R is the ... correct explanation of A C. A is true but R is false D. A is false but R is true

Last Answer : ANS: A

A sewer running partially full and hurried with back filled, fails in compression due to A. Weight of the pipe B. Weight of the back fill C. Superimposed traffic loads D. All the above

Description : A sewer running partially full and hurried with back filled, fails in compression due to A. Weight of the pipe B. Weight of the back fill C. Superimposed traffic loads D. All the above

Last Answer : ANS: D

running partially full with central angle , For a circular sewer of diameter A. d/D = ½ (1 – – B. a/A C. r/R = [1 – D. All the above

Description : running partially full with central angle , For a circular sewer of diameter A. d/D = ½ (1 – – B. a/A C. r/R = [1 – D. All the above

Last Answer : ANS: D

Dry water flow in a combined sewer, is A. Industrial sewage B. Domestic sewage C. Storm water D. Inclusive of domestic and industrial sewage but excludes storm water

Description : Dry water flow in a combined sewer, is A. Industrial sewage B. Domestic sewage C. Storm water D. Inclusive of domestic and industrial sewage but excludes storm water

Last Answer : ANS: C

The suitable cross-section of sewers to carry combined flow, is A. Circular B. Egg shaped C. Rectangular D. Horse shoe shaped

Description : The suitable cross-section of sewers to carry combined flow, is A. Circular B. Egg shaped C. Rectangular D. Horse shoe shaped

Last Answer : ANS: B

For a continuous flow type of sedimentation tanks A. Width of the tank is normally kept about 6 m B. Length of the tank is normally kept 4 to 5 times the width C. Maximum horizontal flow velocity is limited to 0.3 m/minute D. All the above

Description : For a continuous flow type of sedimentation tanks A. Width of the tank is normally kept about 6 m B. Length of the tank is normally kept 4 to 5 times the width C. Maximum horizontal flow velocity is limited to 0.3 m/minute D. All the above

Last Answer : ANS: D

The density of population over 40 hectares is 250/hectare. If water supply demand per day is 200 litres and sewage discharge is 80% of water supply, the sewage flow in sewers of separate system, is A. 0.05552 cumec B. 0.05554 cumec C. 0.05556 cumec D. 0.0556 cumec

Description : The density of population over 40 hectares is 250/hectare. If water supply demand per day is 200 litres and sewage discharge is 80% of water supply, the sewage flow in sewers of separate system, is A. 0.05552 cumec B. 0.05554 cumec C. 0.05556 cumec D. 0.0556 cumec

Last Answer : ANS: C

The dimensions of a rectangular settling tank are: length 24 m, width 6 m and depth 3 m. If 2 hour detention period for tanks is recommended, the rate of flow of sewage per hour, is A. 204 cu.m B. 208 cu.m C. 212 cu.m D. 216 cu.m

Description : The dimensions of a rectangular settling tank are: length 24 m, width 6 m and depth 3 m. If 2 hour detention period for tanks is recommended, the rate of flow of sewage per hour, is A. 204 cu.m B. 208 cu.m C. 212 cu.m D. 216 cu.m

Last Answer : ANS: D

The recommended detention period for grit chambers is A. 1 minute B. 2 minutes C. 3 minutes D. 5 minutes

Description : The recommended detention period for grit chambers is A. 1 minute B. 2 minutes C. 3 minutes D. 5 minutes

Last Answer : ANS: A

The minimum recommended diameter of sewers, is A. 5 cm B. 10 cm C. 15 cm D. 20 cm

Description : The minimum recommended diameter of sewers, is A. 5 cm B. 10 cm C. 15 cm D. 20 cm

Last Answer : ANS: C

The rate of accumulation of sludge in septic tanks is recommended as A. 30 litres/person/year B. 25 litres/person/year C. 30 litres/person/month D. 25 litres/person/month

Description : The rate of accumulation of sludge in septic tanks is recommended as A. 30 litres/person/year B. 25 litres/person/year C. 30 litres/person/month D. 25 litres/person/month

Last Answer : ANS: A

For a grit chamber, if the recommended velocity of flow is 0.2 m/sec and detention period is 2 minutes, the length of the tank, is A. 16 m B. 20 m C. 24 m D. 30 m

Description : For a grit chamber, if the recommended velocity of flow is 0.2 m/sec and detention period is 2 minutes, the length of the tank, is A. 16 m B. 20 m C. 24 m D. 30 m

Last Answer : ANS: C

To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is A. 0.50 m/sec B. 0.60 m/sec C. 0.70 m/sec D. 0.75 m/sec

Description : To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is A. 0.50 m/sec B. 0.60 m/sec C. 0.70 m/sec D. 0.75 m/sec

Last Answer : ANS: D

The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is A. 30 minutes B. 1 hour C. 1 hour and 30 minutes D. 2 hours

Description : The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is A. 30 minutes B. 1 hour C. 1 hour and 30 minutes D. 2 hours

Last Answer : ANS: D

The sewage is pumped up A. From low lying areas B. From flat areas C. From basements D. All the above

Description : The sewage is pumped up A. From low lying areas B. From flat areas C. From basements D. All the above

Last Answer : ANS: D

The drop man holes are generally provided in sewers for A. Industrial areas B. Large town ships C. Hilly town ships D. Cities in plains

Description : The drop man holes are generally provided in sewers for A. Industrial areas B. Large town ships C. Hilly town ships D. Cities in plains

Last Answer : ANS: C

The grit and silt of the grit chambers, may not be used for A. Raising low lying areas by dumping B. Concreting C. Both A. and B. D. Neither A. nor B.

Description : The grit and silt of the grit chambers, may not be used for A. Raising low lying areas by dumping B. Concreting C. Both A. and B. D. Neither A. nor B.

Last Answer : ANS: B

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

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

On a rainy day, small oil films on water show brilliant colors'. This is due to A. dispersion B. interference C. diffraction D. Polarization 49.The critical angle for a beam of light passing from water into air is 48.8 °. This means that all light rays with an angle of incidence greater than this angle will be A. absorbed B. totally reflected C. Partially reflected and partially transmitted D. Totally transmitted

Description : On a rainy day, small oil films on water show brilliant colors'. This is due to A. dispersion B. interference C. diffraction D. Polarization 49.The critical angle for a beam of light ... A. absorbed B. totally reflected C. Partially reflected and partially transmitted D. Totally transmitted

Last Answer : C. Partially reflected and partially transmitted

The population of an insect species shows an explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show? (a) The food plants mature and die at the end of the rainy season. (b) Its population growth curve is of J-type. (c) The population of its predators increases enormously. (d) S-shaped or sigmoid growth of this insect.

Description : The population of an insect species shows an explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show? (a) The food plants ... The population of its predators increases enormously. (d) S-shaped or sigmoid growth of this insect.

Last Answer : (b) Its population growth curve is of J-type.

Sugarcane + Potato is an intercropping system of— (A) Autumn season (B) Zaid season (C) Spring season (D) Rainy season

Description : Sugarcane + Potato is an intercropping system of— (A) Autumn season (B) Zaid season (C) Spring season (D) Rainy season

Last Answer : (A) Autumn season

Which one of the following is incorrect about the characteristics of protobionts (coacervates and microspheres) as envisaged in the abiogenic origin of life? (a) They were partially isolated from the surroundings. (b) They could maintain an internal environment. (c) They were able to reproduce. (d) They could separate combinations of molecules from the surroundings.

Description : Which one of the following is incorrect about the characteristics of protobionts (coacervates and microspheres) as envisaged in the abiogenic origin of life? (a) They were partially isolated from ... were able to reproduce. (d) They could separate combinations of molecules from the surroundings.

Last Answer : (c) They were able to reproduce

There is plenty of rain in India during the rainy season, yet we need irrigation. -Geography

Description : There is plenty of rain in India during the rainy season, yet we need irrigation. -Geography

Last Answer : Variability in Rainfall: Rainfall in India is very uncertain, which increases the element of risk and makes crop production rather difficult. Unequal Distribution of Rainfall: In most parts of the ... of Punjab and Haryana are in the arid zone, where there is a constant deficiency of water.

Name the state of Indian Union where the rainy season is very short? -SST 10th

Description : Name the state of Indian Union where the rainy season is very short? -SST 10th

Last Answer : Jammu and Kashmir is the only state in India which has a very short rainy season.

Which Is Best Place to visit in Rainy Season?

Description : Which Is Best Place to visit in Rainy Season?

Last Answer : Jog Water-falls is one of the most important places to visit in Rainy Season , For More Information Check Herekarnatakatourism.org/tour-item/jog-falls/

Why is the sound heard faster in the rainy season than in winter ?

Description : Why is the sound heard faster in the rainy season than in winter ?

Last Answer : Because in winter the air is dry but in the rainy season it is humid. This means that the amount of water vapor in the air is high which helps to transport sound easily.

What kind of wind blows in the rainy season ?

Description : What kind of wind blows in the rainy season ?

Last Answer : Monsoon winds blow during the rainy season.

Why is it late to dry wet clothes in rainy season ?

Description : Why is it late to dry wet clothes in rainy season ?

Last Answer : During the monsoon season, the amount of water vapor in the air is high, which causes delays in drying wet clothes.

Which country has rainy season all year round ?

Description : Which country has rainy season all year round ?

Last Answer : The Cardia region of the island of Hawaii has a rainy season all year round.

Is it permissible to burn harmful animals in fire ? Our village house is infested with ants during the rainy season. Then they are killed with hot ashes from the stove. Then the broom is given. Is it a sin ?

Description : Is it permissible to burn harmful animals in fire ? Our village house is infested with ants during the rainy season. Then they are killed with hot ashes from the stove. Then the broom is given. Is it a sin ?

Last Answer : It is not permissible to burn any harmful animal in fire. The Prophet (peace and blessings of Allaah be upon him) said : وَإِنَّ النَّارَ لاَ يُعَذِّبُ بِهَا আল্লাহِلَّا اللَّهُ No one has the right to ... be permissible ; Rather it would be a sin. (Almuhitul Burhani 6/94 ; Fatawa Hindi 6/361)

What to do to avoid diseases and germs during the rainy season ?

Description : What to do to avoid diseases and germs during the rainy season ?

Last Answer : Rain means wet in the rain , roads are slippery. Outbreaks of various diseases. Due to the damp environment during the rainy season, all the harmful bacteria grow on the head. Harmful bacteria cause many ... such as meat , ginger , garlic , eggs , vegetables, etc. are effective in fighting diseases.

What does Rainy Season mean ?

Description : What does Rainy Season mean ?

Last Answer : : Rainy Season .

What are the names of some fruits in rainy season ?

Last Answer : Mango , Tal , Katbel , Chalta and Guava etc.

What are the names of some rainy season flowers ?

Last Answer : step. Shapla , Keya , Hasnahena , Dolanchapa , etc. ,

What are the names of the 5 flowers that bloom in the rainy season ?

Last Answer : The 5 rainy season flowers are Kadam , Keya , Champa , Swarnachapa and Nageshwar.

The population of an insect species shows and explosive increase in numbers during rainy season followed by its disappearance at the end of the season

Description : The population of an insect species shows and explosive increase in numbers during rainy season followed by its disappearance at the end of the season

Last Answer : The population of an insect species shows and explosive increase in numbers during rainy season followed ... Its population growth curve is of J-type