The permissible color for domestic water supply is __________ ppm.(A) 1 (B) 20 (C) 100 (D) 1000

The permissible color for domestic water supply is __________ ppm.
(A) 1
(B) 20
(C) 100
(D) 1000
by

1 Answer

Answer :

(B) 20
by

Related questions

Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). (A) Highly (B) Moderately (C) Extremely (D) Very extremely

Description : Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). (A) Highly (B) Moderately (C) Extremely (D) Very extremely

Last Answer : (B) Moderately

Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm. (A) < 1 (B) 10-100 (C) 100-200 (D) 100-1000

Description : Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm. (A) < 1 (B) 10-100 (C) 100-200 (D) 100-1000

Last Answer : (A) < 1

The maximum permissible colour for domestic supplies based on cobalt scale, is (A) 5 ppm (B) 10 ppm (C) 15 ppm (D) 20 ppm

Description : The maximum permissible colour for domestic supplies based on cobalt scale, is (A) 5 ppm (B) 10 ppm (C) 15 ppm (D) 20 ppm

Last Answer : (D) 20 ppm

Maximum permissible turbidity in potable water is __________ ppm. (A) 1 (B) 10 (C) 250 (D) 1000

Description : Maximum permissible turbidity in potable water is __________ ppm. (A) 1 (B) 10 (C) 250 (D) 1000

Last Answer : (B) 10

A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. (A) 1000 to 2000 (B) 3000 to 6000 (C) 6000 to 9000 (D) 10000 to 100000

Description : A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. (A) 1000 to 2000 (B) 3000 to 6000 (C) 6000 to 9000 (D) 10000 to 100000

Last Answer : (D) 10000 to 100000

TLV of ozone (O3 ) and phosgene (COCl2 ) in air is __________ ppm. (A) 0.1 (B) 25 (C) 100(D) 1000

Description : TLV of ozone (O3 ) and phosgene (COCl2 ) in air is __________ ppm. (A) 0.1 (B) 25 (C) 100 (D) 1000

Last Answer : (A) 0.1

TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. (A) 5 (B) 100 (C) 1000 (D) 2000

Description : TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. (A) 5 (B) 100 (C) 1000 (D) 2000

Last Answer : (A) 5

Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). (A) 0.002 (B) 0.2 (C) 1.2 (D) 4.8

Description : Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). (A) 0.002 (B) 0.2 (C) 1.2 (D) 4.8

Last Answer : (B) 0.2

From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. (A) 5 (B) 50 (C) 500 (D) 5000

Description : From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. (A) 5 (B) 50 (C) 500 (D) 5000

Last Answer : (A) 5

Death may occur, when SO2 concentration in atmospheric air exceeds __________ ppm.(A) 20 (B) 100 (C) 400 (D) 200

Description : Death may occur, when SO2 concentration in atmospheric air exceeds __________ ppm. (A) 20 (B) 100 (C) 400 (D) 200

Last Answer : (C) 400

For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. (A) 10000 (B) 5 (C) 500 (D) 1000

Description : For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. (A) 10000 (B) 5 (C) 500 (D) 1000

Last Answer : (B) 5

Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ ppm. (A) 50 (B) 1000 (C) 5000 (D) 10000

Description : Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ ppm. (A) 50 (B) 1000 (C) 5000 (D) 10000

Last Answer : (A) 50

Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO2 in air is __________ ppm. (A) 5 (B) 500 (C) 1000 (D) 2000

Description : Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO2 in air is __________ ppm. (A) 5 (B) 500 (C) 1000 (D) 2000

Last Answer : (A) 5

Maximum allowable concentration of CO2 in air for safe working is __________ ppm (parts per million). (A) 50 (B) 1000 (C) 2000 (D) 5000

Description : Maximum allowable concentration of CO2 in air for safe working is __________ ppm (parts per million). (A) 50 (B) 1000 (C) 2000 (D) 5000

Last Answer : (D) 5000

If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. (A) 50 (B) 500 (C) 1000 (D) 3000 (i.e. 0.3%

Description : If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. (A) 50 (B) 500 (C) 1000 (D) 3000 (i.e. 0.3%

Last Answer : (D) 3000 (i.e. 0.3%

The permissible amount of nitrites present in potable water, is (A) 10 ppm (B) 15 ppm (C) 45 ppm (D) Nil

Description : The permissible amount of nitrites present in potable water, is (A) 10 ppm (B) 15 ppm (C) 45 ppm (D) Nil

Last Answer : (D) Nil

Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the (A) Industrial chimney exhaust (B) Automobiles exhaust (C) Photochemical reaction in polluted atmosphere (D) Burning of domestic fuel

Description : Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the (A) Industrial chimney exhaust (B) Automobiles exhaust (C) Photochemical reaction in polluted atmosphere (D) Burning of domestic fuel

Last Answer : (B) Automobiles exhaust

Maximum permissible colour for domestic water supplies, based on Cobalt scale, is (A) 5 P.P.M. (B) 10 P.P.M. (C) 15 P.P.M. (D) 20 P.P.M.

Description : Maximum permissible colour for domestic water supplies, based on Cobalt scale, is (A) 5 P.P.M. (B) 10 P.P.M. (C) 15 P.P.M. (D) 20 P.P.M.

Last Answer : (D) 20 P.P.M.

The permissible and normal limit of EC, RSC, SAR (meq 1 –1 ) and Boron content (ppm)

Description : The permissible and normal limit of EC, RSC, SAR (meq 1 –1 ) and Boron content (ppm)

Last Answer : Ans.2–4, < 2.5, < 10 and 10,000 ha

Dissolved oxygen content in river water is around __________ ppm. (A) 5 (B) 100 (C) 250 (D) 500

Description : Dissolved oxygen content in river water is around __________ ppm. (A) 5 (B) 100 (C) 250 (D) 500

Last Answer : (A) 5

The nitrate concentration in domestic water supplies, is generally limited to (A) 10 ppm (B) 15 ppm (C) 30 ppm (D) 45 ppm

Description : The nitrate concentration in domestic water supplies, is generally limited to (A) 10 ppm (B) 15 ppm (C) 30 ppm (D) 45 ppm

Last Answer : (D) 45 ppm

Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. (A) 22 (B) 42 (C) 332 (D) 1050

Description : Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. (A) 22 (B) 42 (C) 332 (D) 1050

Last Answer : (B) 42

Number of moles of CaO required to remove hardness from 1000 litre water having 324 ppm of calcuim bicarbonate and 74.5 ppm of potassium chloride is :

Description : Number of moles of CaO required to remove hardness from 1000 litre water having 324 ppm of calcuim bicarbonate and 74.5 ppm of potassium chloride is :

Last Answer : Number of moles of CaO required to remove hardness from 1000 litre water having 324 ppm of calcuim bicarbonate and 74.5 ppm ... : A. 8 B. 4 C. 3 D. 2

What is the concentration of solution in ppm if 2 kg of 2,4-D is mixed with 1000 lit of water?

Description : What is the concentration of solution in ppm if 2 kg of 2,4-D is mixed with 1000 lit of water?

Last Answer : Ans.2000

What was the fund allocation for the implementation of the ‘Protection from Domestic Violence Act’ in the Eleventh plan? a. Rs. 100 crore b. Rs. 300 crore c. Rs. 500 crore d. Rs. 1000 crore

Description : What was the fund allocation for the implementation of the ‘Protection from Domestic Violence Act’ in the Eleventh plan? a. Rs. 100 crore b. Rs. 300 crore c. Rs. 500 crore d. Rs. 1000 crore

Last Answer : c. Rs. 500 crore

How do you prepare 1000 ppm chloride solution from NaCl?

Description : How do you prepare 1000 ppm chloride solution from NaCl?

Last Answer : What volume of this solution do you desire? Let's say you wantto make 1 liter of such a solution. You would weigh out 1 gram(1000 mg) of NaCl and dissolve it in enough water to make a ... 1000 mg/liter,this is how you make 1 liter of that solution. For larger orsmaller volumes, adjust appropriately.

A rural water supply serves a population of 10, 000 at the rate of 50 litres per capita per day . For the chlorine dose of 2 PPM the required amount of bleaching powder with 20% available chlorine will be a. 0.5 kg b. 5 kg * c. 10 kg d. 15 kg

Description : A rural water supply serves a population of 10, 000 at the rate of 50 litres per capita per day . For the chlorine dose of 2 PPM the required amount of bleaching powder with 20% available chlorine will be a. 0.5 kg b. 5 kg * c. 10 kg d. 15 kg

Last Answer : b. 5 kg

Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. (A) 1 (B) 7 (C) 19 (D) 82

Description : Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. (A) 1 (B) 7 (C) 19 (D) 82

Last Answer : (B) 7

The total domestic consumption in a city water supply, is assumed (A) 20 % (B) 30 % (C) 40 % (D) 60 %

Description : The total domestic consumption in a city water supply, is assumed (A) 20 % (B) 30 % (C) 40 % (D) 60 %

Last Answer : (D) 60 %

Fresh domestic sewage is __________ in color. (A) Grey (B) Dark brown(C) Red(D) Black

Description : Fresh domestic sewage is __________ in color. (A) Grey (B) Dark brown (C) Red (D) Black

Last Answer : (A) Grey

Maximum permissible air velocity in pipelines is about __________ metre/second. (A) 5 (B) 10 (C) 20 (D) 40

Description : Maximum permissible air velocity in pipelines is about __________ metre/second. (A) 5 (B) 10 (C) 20 (D) 40

Last Answer : (B) 10

Beyond what concentration of H2S in air, acute danger to human life exists? (A) 50 ppm (B) 100 ppm (C) 300 ppm (D) 700 ppm

Description : Beyond what concentration of H2S in air, acute danger to human life exists? (A) 50 ppm (B) 100 ppm (C) 300 ppm (D) 700 ppm

Last Answer : (D) 700 ppm

If a dealer is prepared to supply 1000 sets of a 29” Color TV if the price is `12,000 per set, however if the price raises to `15,000 he is prepared to supply 1,500 pieces. The elasticity of supply of TV set is (a) 1 ; (b) 2 ; (c) 0.75 ; (d) 1.4

Description : If a dealer is prepared to supply 1000 sets of a 29” Color TV if the price is `12,000 per set, however if the price raises to `15,000 he is prepared to supply 1,500 pieces. The elasticity of supply of TV set is (a) 1 ; (b) 2 ; (c) 0.75 ; (d) 1.4

Last Answer : (b) 2 ;

TLV of mercury in potable (drinking) water is about __________ ppm. (A) 0.001 (B) 0.1 (C) 1 (D) 5

Description : TLV of mercury in potable (drinking) water is about __________ ppm. (A) 0.001 (B) 0.1 (C) 1 (D) 5

Last Answer : (A) 0.001

TLV of lead for public sewer/waste water is about __________ ppm. (A) 1 (B) 25 (C) 150 (D) 650

Description : TLV of lead for public sewer/waste water is about __________ ppm. (A) 1 (B) 25 (C) 150 (D) 650

Last Answer : (A) 1

Bromine content in sea water may be around __________ ppm. (A) 70 (B) 640 (C) 1875 (D) 2500

Description : Bromine content in sea water may be around __________ ppm. (A) 70 (B) 640 (C) 1875 (D) 2500

Last Answer : (A) 70

Sea water contains about __________ ppm of bromine. (A) 5 (B) 70 (C) 500 (D) 1700

Description : Sea water contains about __________ ppm of bromine. (A) 5 (B) 70 (C) 500 (D) 1700

Last Answer : (B) 70

Area of steel required per metre width of pavement for a length of 20 m for design wheel load 6300 kg and permissible stress in steel 1400 kg/cm2 , is (A) 70 kg/sq cm (B) 80 kg/sq cm (C) 90 kg/sq cm (D) 100 kg/sq cm

Description : Area of steel required per metre width of pavement for a length of 20 m for design wheel load 6300 kg and permissible stress in steel 1400 kg/cm2 , is (A) 70 kg/sq cm (B) 80 kg/sq cm (C) 90 kg/sq cm (D) 100 kg/sq cm

Last Answer : Answer: Option C

Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm. (A) 1 (B) 50 (C) 5000 (D) 10000

Description : Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm. (A) 1 (B) 50 (C) 5000 (D) 10000

Last Answer : (B) 50

Tolerable limit of nitrogen oxides in air is __________ ppm. (A) 0.1 (B) 1 (C) 5 (D) 25

Description : Tolerable limit of nitrogen oxides in air is __________ ppm. (A) 0.1 (B) 1 (C) 5 (D) 25

Last Answer : (C) 5

When the concentration of SO2 in air is greater than __________ ppm, it gives a pungent smell. (A) 0.01 (B) 0.1 (C) 1 (D) 4

Description : When the concentration of SO2 in air is greater than __________ ppm, it gives a pungent smell. (A) 0.01 (B) 0.1 (C) 1 (D) 4

Last Answer : (D) 4

Out of the following, TLV of __________ is maximum (about 500 ppm). (A) Carbon dioxide (B) Toluene (C) Carbon disulphide (D) Acetaldehyde

Description : Out of the following, TLV of __________ is maximum (about 500 ppm). (A) Carbon dioxide (B) Toluene (C) Carbon disulphide (D) Acetaldehyde

Last Answer : (A) Carbon dioxide

Threshold limit value (TLV) of CO in air is __________ ppm. (A) 5 (B) 50 (C) 2000 (D) 5000

Description : Threshold limit value (TLV) of CO in air is __________ ppm. (A) 5 (B) 50 (C) 2000 (D) 5000

Last Answer : (B) 50

Out of the following, TLV of __________ is the minimum (about 0.02 ppm). (A) Phosgene (B) Bromine (C) MIC (Methyl isocyanate) (D) Ozone

Description : Out of the following, TLV of __________ is the minimum (about 0.02 ppm). (A) Phosgene (B) Bromine (C) MIC (Methyl isocyanate) (D) Ozone

Last Answer : (C) MIC (Methyl isocyanate)

The chloride content of treated water for public supplies should not exceed (A) 100 ppm (B) 150 ppm (C) 200 ppm (D) 250 ppm

Description : The chloride content of treated water for public supplies should not exceed (A) 100 ppm (B) 150 ppm (C) 200 ppm (D) 250 ppm

Last Answer : (D) 250 ppm

Under Liberalised Remittance Scheme, PAN card need not be insisted upon for remittance made towards permissible current account transactions up to __________ A. USD 25,000 B. USD 20,000 C. USD 15,000 D. USD 10,000 E. None of the Above

Description : Under Liberalised Remittance Scheme, PAN card need not be insisted upon for remittance made towards permissible current account transactions up to __________ A. USD 25,000 B. USD 20,000 C. USD 15,000 D. USD 10,000 E. None of the Above

Last Answer : A. USD 25,000 Explanation: PAN card need not be insisted upon for remittance made towards permissible current account transactions up to USD 25,000 per financial year.

If air contains `gt` 100 ppm of `O_(3)` , it causes

Description : If air contains `gt` 100 ppm of `O_(3)` , it causes

Last Answer : If air contains `gt` 100 ppm of `O_(3)` , it causes A. headache and nausca B. hyper tension C. Anoxia D. Hyper thyrodisim

If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is A. 50 ppm B. 100 ppm C. 150 ppm D. 200 ppm

Description : If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is A. 50 ppm B. 100 ppm C. 150 ppm D. 200 ppm

Last Answer : ANS: D

Storage life of vegetables increased by the use of GA spray at harvesting time a. 50 ppm b. 100 ppm c. 200 ppm d. None of above

Description : Storage life of vegetables increased by the use of GA spray at harvesting time a. 50 ppm b. 100 ppm c. 200 ppm d. None of above

Last Answer : 50 ppm