Column Definition MCQs : This section focuses on the "Column Definition". These Multiple Choice Questions (MCQs) should be practiced to improve the Column Definition skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
__________ is a vertical member subjected to direct compressive force.
A built up rolled steel section carrying compressive force is called ___________
Aeration is effective in removing of _________ odours.
Cleaning period of slow sand filter is taken as __________
A. 1 to 3 weeks
B. 1 to 3 days
C. 1 to 3 months
D. 1 to 2 hours
Column is a tension member.
The dosage of ozone is about ________ ppm residual ozone.
A. 2 to 3 ppm
B. 2 to 4 ppm
C. 1 to 5 ppm
The efficiency of slow sand filter is about ___________
The inclined member carrying compressive loads is __________
The process of removing chlorine from water is known as ____________
A. De chlorination
B. Re chlorination
C. Post chlorination
D. Pre chlorination
The rate of filtration in slow sand filter is ___________
A. 100 to 150 lit/hr/m2
B. 150 to 200 lit/hr/m2
C. 250 to 350 lit/hr/m2
D. 100 to 200 lit/hr/m2
The sand used for filtration should not lose weight more than ________ when placed in Hcl for 24 hours.
What is the uniformity coefficient of sand used in the rapid sand filter?
Which of the following is a control measure of removal of colour, taste and order?
A. Ozone treatment
B. Silver treatment
C. Copper sulphate treatment
D. Use of chloramines
Which of the following process is also known as Ion exchange process?
A. Lime soda process
B. Base exchange process
C. Demineralization process
D. Cation exchange process