Test: Environment Engineering Practices- 2 - Civil Engineering (CE) MCQ

A commonly used handpump is the

The standard turbidity produced by one mg of silicon dioxide (silica) in one litre of distilled water, is called

Pick up the correct statement(s)

One True Colour Unit (TCU) is the colour produced by

The threshold odour number (TON) for a water sample of 40 ml, dilute to standard 200 ml mixture, in which odour is just barely detectable to the sense of smell, is

Water is considered ‘hard’, if its hardness is of the order of

Higher quantities of copper, more than 2.5 mg/l or so, may cause diseases pertaining to

The maximum allowable concentration of iron in water is

The commonly used indicator for measuring iron concentration in water is

The maximum safe permissible limit of chlorides in domestic water supplies is

Breweries and distilleries preferably require

Electrical conductivity (EC) of water and total dissolved solids (TDS) are interrelated. The value of EC will

In which one of the following tests is the organic matter in the waste mater used as food by micro-organisms?

Which one of the following organisms is responsible for enteric fever ?

Presence of nitrogen in a waste water sample is due to the decomposition of

Which of the following cations impart(s) pseudohardness to water ?

Match List-I (Equipment) with List-II (Parameter) and select the correct answer using the codes given below the lits :

What is the most common cause of acidity in water ?

Match List-I (Parameter) with List-II (Impact) and select the correct answer using the codes given below the lists:

List-I (Parameter) a. Excess sulphates b. Lack of iodide c. Excess hardness d. Excess dissolved minerals

List-II (Impact)

1. Greater soap consumption
2. Laxative
3. Goiter
4. Corrosion of pipes

Which one of the following tests of water/ wastewater employs Erichrome Black T as an indicator ?

The maximum permissible limit for fluoride in drinking water is

Phenolphthalein indicator is used to determine the alkalinity above pH