500 Best Environmental Engineering- MCQ
Q17). Open wells or dug wells are also known as
a).Shallow wells
b).Draw wells
c).Percolation wells
d).All of these
Correct Answer:
All of these
Explanation:
Q18). The most important source of water for public water supply is
a).Lake
b).Pond
c).River
d).Sea
Correct Answer:
Sea
Explanation:
Q19). The Open wells or dug wells
a).Act as a small storage reservoir
b).Are suitable for a small discharge
c).Are cheap in construction
d).All of these
Correct Answer:
All of these
Explanation:
Q20). The water of a river has an important property called
a).Turbidity
b).Self purification
c).Permeability
d).Infiltration capacity
Correct Answer:
Self purification
Explanation:
Q21). Which of the following statement is wrong?
a).The quality of tube well water is better than that of surface sources
b).The discharge of tubewell is more than that of an open well
c).The tube well should not derive water from the first pervious strata
d).None of the above
Correct Answer:
None of the above
Explanation:
Q22). Run-off is the water which flows
a).In infiltration galleries
b).In sewer pipes
c).Due to leakage of pipes
d).In rivers
Correct Answer:
In rivers
Explanation:
Q23). The formula, F = R – K (1.8T+32), for obtaining the annual runoff is known as
a).Justin’s formula
b).Vermule’s formula
c).Inglis formula
d).Khosla’s formula
Correct Answer:
Khosla’s formula
Explanation:
Q24). The growth of population may be conveniently represented by
a).Semi-logarithmic curve
b).Logistic Curve
c).Straight line curve
d).All of these
Correct Answer:
Logistic Curve
Explanation: