civil engineering Mcqs
2501. Lands, buildings, plants and machineries are example of what type of asset ?
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A. Intangible asset

B. Trade investment asset

C. Fixed asset

D. Current asset

2502. If the length of overland flow from the critical point to the mouth of drain is 13.58 km and difference in level between the critical point and drain mouth is 10 m, the inlet time is___________________?
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A. 4 hours

B. 8 hours

C. 2 hours

D. 6 hours

2503. If the side of a square sewer is 1000 mm, the diameter of a hydraulically equivalent circular section, is___________________?
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A. 1045 mm

B. 1065 mm

C. 1095 mm

D. 1075 mm

2504. th or th extra space is left in sewer pipes at maximum discharge for_________________?
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A. Unexpected increase in population

B. All the above

C. Large scale infiltration of storm water

D. Low estimates of the average and maximum flows

2505. In what method of computing depreciation where it assumes that the loss in value is directly proportional to the age of the equipment or asset ?
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A. Declining balance method

B. Sinking fund method

C. Straight line method

D. Sum-of-year digit method

2506. What type of depreciation is due to the reduction of the physical ability of an equipment or asset to produce results ?
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A. Demand depreciation

B. Design depreciation

C. Functional depreciation

D. Physical depreciation
2507. The arrangement made for passing the sewer line below an obstruction below the hydraulic gradient lines called ____________________?
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A. all of these

B. Sag pipe

C. Inverted syphon

D. Depressed sewer

2508. In detritus tanks______________________?
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A. Detention period is kept 3 to 4 minutes

B. All the above

C. Organic and inorganic materials are separated

D. Flow velocity is kept 0.09 m/sec

2509. Oxidation process results in the formation of___________________?
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A. Sulphates

B. Carbon dioxide

C. All the above

D. Nitrates

2510. A rainfall may be classified as acidic if its pH value is less or equal to________________?
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A. 6

B. 7

C. 6.5

D. 5
2511. A five day B.O.D. at 15C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15C for standard sewage is 0.1 kg/day, the population equivalent is____________________?
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A. 100

B. 1000

C. 5000

D. 10000
2512. The sludge does not contain waste water from_________________?
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A. Kitchen sinks

B. Toilets

C. Wash basins

D. Bath rooms

2513. The screens are fixed___________________?
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A. None of these

B. At an angle 30 to 60 to the direction of flow

C. Parallel to the direction of flow

D. Perpendicular to the direction of flow

2514. Cash money and credit necessary to establish and operate an enterprise are generally called _____________________?
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A. Capital

B. Liabilities

C. Funds

D. Assets

2515. Pick up the correct statement from the following ?
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A. The feature at the principal point has no height displacement

B. All of the above

C. For the same feature, the photograph taken from the satellite vertically above the aircraft, the height displacement is lesser than the aerial photograph

D. The scale of the aerial photograph depends upon the scale of the topography

2516. What is the main reason why the sinking fund method of computing depreciation is seldom used in the industry ?
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A. Unstable economy

B. The initial deprecation is high

C. Rate of interest cannot be exactly determined

D. The initial depreciation is low
2517. The rainfall at any place may be determined by__________________?
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A. Its direction

B. Its frequency

C. Its intensity

D. All the above
2518. For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed__________________?
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A. 2.0

B. 3

C. 1.5

D. 2.5

2519. The ratio of the net income before taxes to net sales is called __________________?
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A. Inventory turnover

B. Price-earnings ratio

C. Current ratio

D. Profit margin ratio
2520. Pick up the correct statement from the following ?
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A. The first man-made satellite, Sputnik-l was launched on 4th October, 1957

B. The United States Explorer 6 transmitted the first picture of the earth in August 1959

C. Television Infrared Observation Satellite (TIROS) designed for meteorological observations, started systematic earth observations from space from 1, April, 1960

D. All of these
2521. The detention time (t) of a settling tank, may be defined as the time required for_________________?
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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__________________?
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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 ?
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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?
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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?
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A. Big income

B. Goodwill

C. Status company

D. Known owners

2526. Self-cleansing velocity is__________________?
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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_____________?
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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 ?
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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 ?
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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__________________?
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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 ?
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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___________________?
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A. 1.5 D

B. 1.75 D

C. D

D. 1.25 D

2533. Setting out the alignments of sewers may start from__________________?
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A. Any point

B. City

C. Tail end

D. Out-fall

2534. The porosity of sediments in sewer pipes, is usually taken as___________________?
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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__________________?
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A. 3.5 years

B. 3 years

C. 4 years

D. 5 years

2536. What is the basic accounting equation ?
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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______________?
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A. 15 days

B. 90 days

C. 60 days

D. 30 days

2538. The detention period for plain sedimentation water tanks, is usually____________________?
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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 ?
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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____________________ ?
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A. Seas

B. None of these

C. Rivers

D. Lakes

2541. For treating the sewage of a large city, you will recommend_________________?
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A. A sedimentation tank and an activated sludge treatment plant

B. Sedimentation tanks with high rate trickling filters

C. A plant consisting of Imhoff tanks with low rate trickling filters

D. None of these

2542. Which of the following pumps in used to pump sewage solids with liquid sewage without clogging the pump is ?
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A. None of these

B. Pneumatic ejector

C. Reciprocating pump

D. Centrifugal pump
2543. What is defined as the reduction of the value of certain natural resources such as mines, oil, timber, quarries, etc. due to the gradual extraction of its contents ?
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A. Depreciation

B. Deflation

C. Depletion

D. Inflation

2544. What type of depreciation is due to the reduction in the demand for the function that the equipment or asset was designed to render ?
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A. Functional depreciation

B. Demand depreciation

C. Design depreciation

D. Physical depreciation

2545. The sewer which received discharge from two or more main sewers, is known as_______________?
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A. A main sewer

B. An outfall sewer

C. An intercepting sewer

D. A trunk sewer
2546. The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is __________________?
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A. 5 m

B. 6.5 m

C. 5.5 m

D. 7 m
2547. In a sludge tank, the gas mainly produced, is_________________?
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A. Nitrogen

B. Hydrogen

C. Oxygen

D. Carbon dioxide
2548. Chlorination of water is done for the removal of____________________?
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A. Bacterias

B. Hardness

C. Suspended solids

D. Sediments

2549. The sewerage system consists of______________________?
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A. Lateral sewer

B. Branch sewer

C. All of these

D. House sewer

2550. Disposal to sewage in large cities, is done in__________________?
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A. Irrigation

B. Oxidation

C. Dilution

D. Purification