Question #77216

If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains__________________?

Options:

A) Hydrogen sulphide

B) Carbon dioxide

C) Methane

D) Oxygen

Answer: If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Hydrogen sulphide.

Previous Next

Civil Engineering Related Questions

Q1.

A section that allows the drafter to create a cutting plane line which is not a straight line across the part is called:
Q2.

A continuous flow of water from one source to another is called:
Q3.

A project is handed over to the parent department after:
Q4.

The term "stringer" is used for:
Q5.

For a branch sewer connection, the minimum slope of a house sewer should be:
Q6.

The density of mild steel is taken as (in kg/m³):
Q7.

A structure made to pass a drain over a canal is called:
Q8.

The most economical section of a rectangular channel is one in which the hydraulic mean depth is equal to:
Q9.

A pipe provided at the maximum water level in a water storage tank to allow water to flow out when the tank exceeds its capacity is called:
Q10.

The measuring unit of G.I. (Galvanized Iron) Pipe is:

Test Your Knowledge

Want to practice more questions like this? Take a quiz in this category!

Take a Quiz

Question #77216

If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains__________________?

Options:

Civil Engineering Related Questions

Category

Test Your Knowledge

Share This Question

AdBlock Detected

How to disable your ad blocker:

Popular Categories

More Categories

Explore More

Question #77216

If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains__________________?

Options:

Civil Engineering Related Questions

Category

Test Your Knowledge

Share This Question

AdBlock Detected

How to disable your ad blocker: