civil engineering MCQs – Page 127

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 Review each marked answer and report any item that may be outdated or unclear.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
2521. The detention time (t) of a settling tank, may be defined as the time required for_________________?
comments icon0

A. A particle to travel from top surface to bottom sludge zone

B. None of these

C. A particle to travel along its length

D. The flow of sewage to fill the tank
2522. Dry weather flow is__________________?
comments icon0

A. Average annual rate of flow

B. Average monthly rate of flow

C. Average daily rate of flow

D. Water supply allowance per capita
2523. In what method of computing depreciation where it assumes that a sinking fund is established in which funds will accumulate for replacement purposes ?
comments icon0

A. Straight line method

B. Sinking fund method

C. Declining balance method

D. Sum-of-year digit method

2524. Pick up the correct statement from the following?
comments icon0

A. The maximum rate of storm runoff is called peak drainage discharge

B. The period after which the entire area starts contributing to the runoff, is called the time of concentration

C. Rational method of estimating peak run off, may be used precisely for areas less than 50 hectares

D. All the above
2525. __________________ is the element of value which a business has earned through the favorable consideration and patronage of its costumers arising from its well known and well conducted policies and operations?
comments icon0

A. Big income

B. Goodwill

C. Status company

D. Known owners

2526. Self-cleansing velocity is__________________?
comments icon0

A. Velocity at dry weather flow

B. Velocity at which no accumulation remains in the drains

C. Velocity of water at flushing

D. Velocity of water in a pressure filter

2527. No treatment of the sewage is given if dilution factor is_____________?
comments icon0

A. Between 150 to 200

B. Less than 150

C. More than 500

D. Between 200 to 300

2528. Double taxation is a disadvantage of which business organization ?
comments icon0
A. Corporation

B. Sole proprietorship

C. Enterprise

D. Partnership

2529. What is normally used to compare alternatives that accomplish the same purpose but have unequal lives ?
comments icon0

A. Capitalized cost method

B. Annual cost method

C. Present worth method

D. MARR

2530. The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is__________________?
comments icon0

A. 0.12 cumec

B. 0.15 cumec

C. 0.20 cumec

D. 0.10 cumec

2531. What is a stock of a product which is held by a trade body or government as a means of regulating the price of that product ?
comments icon0

A. Withheld stock

B. Buffer stock

C. Hoard stock

D. Stock pile

2532. If is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is___________________?
comments icon0
A. 1.5 D

B. 1.75 D

C. D

D. 1.25 D

2533. Setting out the alignments of sewers may start from__________________?
comments icon0

A. Any point

B. City

C. Tail end

D. Out-fall

2534. The porosity of sediments in sewer pipes, is usually taken as___________________?
comments icon0

A. 0.011

B. 0.01

C. 0.013

D. 0.012

2535. The digested sludge from septic tanks, is removed after a maximum period of__________________?
comments icon0

A. 3.5 years

B. 3 years

C. 4 years

D. 5 years

2536. What is the basic accounting equation ?
comments icon0
A. Assets = liability + owners equity

B. Owners equity = assets + liability

C. Liability = assets + owners equity

D. Owners equity = liability assets

2537. Acid regression stage of sludge digestion at a temperature 21C extends over a period of______________?
comments icon0

A. 15 days

B. 90 days

C. 60 days

D. 30 days

2538. The detention period for plain sedimentation water tanks, is usually____________________?
comments icon0
A. 4 to 8 hours

B. 24 to 36 hours

C. 8 to 16 hours

D. 16 to 24 hours

2539. What method is often used in municipal project evaluations where benefits and costs accrue to different segments of the community ?
comments icon0

A. EUAC

B. Annual cost method

C. Rate of return method

D. Benefit-cost ratio
2540. Sludge banks are formed if sewage is disposed of in____________________ ?
comments icon0
A. Seas

B. None of these

C. Rivers

D. Lakes