Civil Engineering MCQAE Level Civil Engineering
If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to
Environmental EngineeringEnvironmental EngineeringMEDIUM
Choose the correct answer
A
total alkalinity
B
total hardness
C
non-carbonated hardness
D
total hardness − total alkalinity
Correct Answer
A. total alkalinity
Why is this the answer?
When hardness exceeds alkalinity, carbonate hardness equals total alkalinity.
Related Environmental Engineering MCQs
More solved Environmental Engineering questions for AE/JE Civil Engineering exams.
- The 'chemical oxygen demand' (COD) test measures:
- The 'Moving Bed Biofilm Reactor' (MBBR) is a biological treatment process where:
- The 'electrostatic precipitator' (ESP) works on the principle of:
- For population 50000 and water demand 135 LPCD, daily water requirement is
- A circular sewer of diameter 0.5 m runs full at velocity 0.6 m/s. Discharge is nearly
- A sedimentation tank receives 10000 m³/day over surface area 250 m². Surface overflow...
Practice more Civil Engineering questions
This MCQ belongs to WBPSC AE Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.