500 Best Irrigation Engineering MCQ
Q49). The estimation of flood can be made
a).by physical indication of past floods
b).by flood discharge formulae
c).by unit hydrograph
d).all of these
Correct Answer:
all of these
Explanation:
Q50). A graph showing variation of discharge with time, at a particular point of a stream is known as
a).mass inflow curve
b).logistic Curve
c).hydrograph
d).none of these
Correct Answer:
hydrograph
Explanation:
Q51). The presence of hydrogen sulphide in water causes
a).Softening
b).Alkalinity
c).Acidity
d).Bad taste
Correct Answer:
Acidity
Explanation:
Q52). Turbidity of water is expressed in terms of
a).Silica scale
b).Platinum cobalt scale
c).pH value
d).none of the above
Correct Answer:
Silica scale
Explanation:
Q53). The colour of water is expressed in numbers of a
a).Silica scale
b).Platinum cobalt scale
c).pO value
d).none of the above
Correct Answer:
Platinum cobalt scale
Explanation:
Q54). The odour of water can be determined by
a).Thermometer
b).Osmoscope
c).Jackson’s turbidimeter
d).None of these
Correct Answer:
Osmoscope
Explanation:
Q55). The commercial osmoscope is graduated with pO values from
a).0 to 5
b).5 to 10
c). 10 to 15
d).15 to 20
Correct Answer:
0 to 5
Explanation:
Q56). When the pH value of water is 5, then it has
a).No perceptible odour
b).Distinct odour
c).Faint odour
d).Extremely strong odour
Correct Answer:
Extremely strong odour
Explanation: