500 Best Environmental Engineering- MCQ
Q33). According to Indian standards, 45 litres of water per person per day is provided in case of
a).Hotels
b).Hostels
c).Offices
d).All of these
Correct Answer:
Offices
Explanation:
Q34). Which of the following formula is used for computing the quantity of water for fire demand?
a).Freeman’s formula
b).Kuichling formula
c).Buston’s formula
d).All of these
Correct Answer:
All of these
Explanation:
Q35). In designing a water works for a city to make the water demand for public use, provision of about ……….. of the total consumption is made
a).0.05
b).0.1
c).0.2
d).0.25
Correct Answer:
0.1
Explanation:
Q36). The design period for a water supply project is taken as
a).5 to 10 years
b).10 to 15 years
c).15 to 20 years
d).20 to 30 years
Correct Answer:
20 to 30 years
Explanation:
Q37). The water mains should be designed for ……… of the average daily water requirement
a).1
b).1.5
c).2.25
d).2.5
Correct Answer:
2.25
Explanation:
Q38). For large cities, the suitable method for forecasting population is
a).Arithmetical increase method
b).Graphical method
c).Geometrical increase method
d).Comparative method
Correct Answer:
Arithmetical increase method
Explanation:
Q39). Suspended impurities consist of
a).Iron
b).Chlorine
c).Bacteria
d).All of these
Correct Answer:
Bacteria
Explanation:
Q40). Dissolved impurities consists of
a).Bacteria
b).Iron
c).Silt
d).Fungi
Correct Answer:
Iron
Explanation: