500 Best Environmental Engineering- MCQ
Q61). High turbidity of water can be determined by
a).Turbidity tube
b).Jackson turbidimeter
c).Baylis turbidimeter
d).Heelipe turbidimeter
Correct Answer:
Jackson turbidimeter
Explanation:
Q62). Low turbidity of water can be determined by
a).Turbidity tube
b).Jackson turbidimeter
c).Baylis turbidimeter
d).Heelipe turbidimeter
Correct Answer:
Baylis turbidimeter
Explanation:
Q63). The maximum permissible total solid content in water for domestic purposes should not exceed
a).300 ppm
b).400 ppm
c).500 ppm
d).1000 ppm
Correct Answer:
500 ppm
Explanation:
Q64). The maximum permissible chloride content in water for domestic water supplies should not exceed
a).250 ppm
b).350 ppm
c).450 ppm
d).550 ppm
Correct Answer:
250 ppm
Explanation:
Q65). The maximum acidity in water will occur at a pH value of
a).0
b).2
c).7
d).14
Correct Answer:
0
Explanation:
Q66). The most common cause of acidity in water is
a).Hydrogen
b).Oxygen
c).Carbon dioxide
d).All of these
Correct Answer:
Carbon dioxide
Explanation:
Q67). The alkalinity in water is caused by
a).Sodium carbonate
b).Potassium carbonate
c).Calcium hydrogen
d).All of these
Correct Answer:
All of these
Explanation:
Q68). The maximum permissible chlorine content for public supplies should be between
a).0.1 to 0.2 ppm
b).0.3 to 0.4 ppm
c).1.2 to 4 ppm
d).6.5 to 8 ppm
Correct Answer:
0.1 to 0.2 ppm
Explanation: