Disappearance of pink colour of water of a well due of KMnO4 indicates that wate

CuriousTab

CuriousTab

Home Aptitude

Discussion

Home ‣ Civil Engineering ‣ Water Supply Engineering See What Others Are Saying!

Question
Disappearance of pink colour of water of a well due of KMnO₄ indicates that water contains
Options
A. acidity
B. alkalinity
C. turbidity
D. organic matter
E. all the above.

Correct Answer

organic matter

More questions

1. The capacities of "One-way 1.5 m wide sidewalk (persons per hour)" and "One-way 2-lane urban road (PCU per hour, with no frontage access, no standing vehicles and very little cross traffic)" are respectively.
Options
A. 1200 and 2400
B. 1800 and 2000
C. 1200 and 1500
D. 2000 and 1200

3. A particle moves along a straight line such that distance x traversed in t seconds is given by x = t²(t + 1), the acceleration of the particle, will be
Options
A. 3t³ - 2t
B. 3t² + 2t
C. 6t - 2
D. 6t + 2
E. 3t - 2

4. Principle of Transmissibility of Forces states that, when a force acts upon a body, its effect is
Options
A. maximum if it acts at the centre of gravity of the body
B. different at different points on its line of
C. same at every point on its line of action
D. minimum if it acts at the C.G. of the body
E. none of these.

6. Pick up the correct abbreviation from the following:
Options
A. I.L.S. (instrument landing system)
B. V.H.F, (very high frequency)
C. L.O.M. (low powered outer marker)
D. L.M.M. (low powered middle marker)
E. All the above

9. ? is coefficient of friction. A wheeled vehicle travelling on a circular level track will slip and overturn simultaneously if the ratio of its wheel distance to the height of its centroid, is
Options
A. ?
B. 2?
C. 3?
D. ?.

Comments

More in Civil Engineering: