Question

What is the desirable limit of calcium in drinking water?

a.

45 mg/l

b.

60 mg/l

c.

75 mg/l

d.

90 mg/l

Answer: (c).75 mg/l

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. What is the desirable limit of calcium in drinking water?

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. The process of forming thick gelatinous precipitates is known as ___________

Q. The most common coagulant is _____________

Q. Biological Oxygen Demand (BOD) of safe drinking water must be ________

Q. The angle of repose is zero for ______________

Q. The ratio of rise to span of truss is called a ___________

Q. _______ is a roof beam supported by roof truss.

Q. The bottom chord member of truss is known as ___________

Q. The top chord members of roof truss is called ___________

Q. The economical spacing of roof trusses works out to be _________ span.

Q. Plasticizing admixture means __________

Q. Polyhydroxy compounds are ________

Q. Which of the following is used as retarding admixture?

Q. IS: 455 is associated with ____________

Q. Which of the following cement is used for marine structures?

Q. About ____________ % volume of concrete is occupied by aggregates.

Q. The joints in king post are of ________

Q. Which of the following roof are used on small sheds and veranda opening?

Q. ________ shape of the frame offers great rigidity.

Q. King post trusses are used for spans ______

Q. If the members connected don’t lie in the same plane, then structures are called __________

Recommended Subjects

Are you eager to expand your knowledge beyond Mechanics of Materials? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!