civil engineering MCQs – Page 133

Practise multiple-choice questions from civil engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

civil engineering Mcqs
2641. Large diameter sewers subjected to external pressure alone, are reinforced ______________________?
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A. Near the inner surface of the pipe

B. Near the outer surface of the pipe

C. Both A. and B.

D. With elliptical cage
2642. The coagulant which is generally not used for treating the sewage, is__________________?
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A. Alum

B. Chlorinated copperas

C. Ferric sulphate

D. Ferric chloride

2643. R.M.O. expenses include___________________?
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A. All the above

B. Maintenance expenses

C. Operation expenses

D. Running expenses

2645. Maximum permissible velocity 1.5 m/sec, is adopted in drains_______________________?
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A. With beds of rocks and gravels

B. Lined with stones

C. Both A. and B.

D. Neither A. nor B.

2647. Assertion A.: The determination of pH value of sewerage is important. Reason (R): The efficiency of certain treatment methods depends upon the availability of pH value________________?
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A. Both A and R are true and R is the correct explanation of A

B. Both A and R are true but R is not a correct explanation of A

C. A is true but R is false

D. A is false but R is true

2649. The temperature affects the________________?
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A. All the above

B. Viscosity of sewage

C. Biological activity of bacteria in sewage

D. Solubility of gases in sewage

2652. What is a measure of the average speed with which accounts receivable are collected ?
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A. Receivable turnover

B. Quick ratio

C. Current ratio

D. Acid test ratio

2653. The normal values of over flow rates for secondary sedimentation tanks, ranges between__________________?
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A. 80,000 to 10,000 litres/sqm/day

B. 25,000 to 35,000 litres/sqm/day

C. 50,000 to 60,000 litres/sqm/day

D. 40,000 to 50,000 litres/sqm/day

2656. A rain sanitary sewer is constructed to carry_________________ ?
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A. Ground water

B. Storm sewage

C. Sanitary sewage

D. Surface water

2657. Using factor method, the depletion at any given year is equal to ?
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A. Initial cost of property times number of units sold during the year

B. Initial cost of property divided by the total units in property

C. Initial cost of property divided by the number of units sold during the year

D. Initial cost of property times number of unit sold during the year divided by the total units in property
2658. Pick up the correct statement from the following ?
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A. The larger the sewer in size, more will be velocity

B. The smaller the sewer in size, less will be velocity

C. The larger the sewer in size, no deposition will take place

D. The larger the sewer in size, deposition will take place
2659. For sewers, inverted siphon is provided for___________________?
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A. Two pipes

B. Four pipes

C. Three pipes

D. One pipe

2660. What is another term for current assets ?
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A. Fixed assets

B. Non-liquid assets

C. Liquid assets

D. Ccash