# DCE Objective Questions And answers Sanitary 2072

- For the design of simply supported T-beam, the ratio of the effective span to the overall depth of the beam is limited to :
- 15
- 20
- 25
- 30

Ans: 20

- The height of soldier coarse in brick masonry is equal to :
- Length of the brick
- Width of the brick
- Thickness of the brick
- None of the above

Ans: Width of the brick

- The minimum height of door should be :
- 1m
- 8m
- 5m
- 3m

Ans: 2.1m

- The maximum diameter of the reinforcing bar is a slab should not exceed :
- 1/5 of the thickness of slab
- 1/10 of the thickness of slab
- 1/8 of the thickness of slab
- None of the above

Ans: 1/8 of the thickness of slab

- The brick laid with its length parallel to the face of the wall is :
- Header
- Closer
- Stretcher
- None of the above

Ans: Stretcher

- For 12mm plastering works in a ratio 1:2 cement sand mortar total dry volume is 2 cubic meter the required sand is 1.2 cubic meter and required cement is :
- 18 bags
- 10 bags
- 24 bags
- 9 bags

Ans: 24 bags

- Standard BOD is measured at :
- 20
^{0}C/1day - 25
^{0}C/3day - 20
^{0}C/5day - 30
^{0}C/5day

- 20

Ans: 20^{0}C/5day

- As per the World Health Organization (WHO) studies per capita demand of water in rular area is …….. liter per capita per day (LPCPD) :
- 45
- 230
- 10
- 65

Ans: 45

- A dam depending solely on its weight to resist water pressure is :
- Stable dam
- Heavy dam
- Gravity dam
- Natural dam

Ans: Gravity dam

- If the small quantity of water is to be diverted from big river, the appropriate type of head works is :
- Side intake
- Weir
- Barrage
- Bid bar

Ans: Barrage

- What is the length of recently constructed bridge on karnali river at kothiyaghat?
- 515m
- 1015m
- 1515m
- 2015m

Ans: 1015m

- CBR test is performed for finding :
- Strength of sub grade
- Strength of concrete
- Strength of bitumen
- All of the above

Ans: Strength of sub grade

- The convexity provided to carriageway between the crown and edge of the pavement is :
- Shoulder
- Super elevation
- Valley curve
- Camber

Ans: Camber

- Which of the following information is not found in specification?
- Nature of works
- Quality of materials
- Type of workmanship
- Dimensions

Ans: Dimensions

- Which of the following is not required in an airport?
- Runway
- Taxiway
- Subway
- Apron

Ans: Subway

- Gantt chart is drawn for :
- Time versus activity
- Activity versus activity
- Resource versus activity
- Progress versus time

Ans: Time versus activity

- The size of A
_{4}paper is :- 297 x 420 mm
- 210 x 297 mm
- 420 x 850 mm
- None of the above

Ans: 210 x 297 mm

- The shape of a vertical curve on highway is :
- Spiral
- Parabolic
- Elliptical
- All of the above

Ans: All of the above

- If 5m
^{3}of a certain oil weighs 40 KN, the specific weight of this oil is :- 8000 N/m
^{3} - 800 N/m
^{3} - 8 N/m
^{3} - 125 KN/m
^{3}

- 8000 N/m

Ans: 8000 N/m^{3}

- The main principle of an organization is :
- Unity of command
- Effective control at all levels
- Delegation of authority
- All of the above

Ans: All of the above

- Fluid pressure are measured using :
- Manometers
- Mechanical gages
- Barometers
- Manometers and mechanical gases

Ans: Manometers

- The relationship between coefficient of active earth pressure (K
_{a}) and passive earth pressure (K_{p}) for soil mass is :- K
_{a}= square root K_{p} - K
_{a}=1/ K_{p} - K
_{a}= 1/ square root K_{p} - K
_{a}= 1/2_{p}

- K

Ans: K_{a} =1/ K_{p}

- Area of tensile reinforcement when 4 numbers of 10mm diameter steel are provided in tension zone is :
- 314 mm
^{2} - 4 mm
^{2} - 314 cm
^{2} - 4 cm
^{2}

- 314 mm

Ans: 314mm^{2}

- Quantity of plastering on a floor and ceiling of a hall with size 14m x 10m is :
- 140m
^{2} - 280m
^{2} - 140ft
^{2} - 280ft
^{2}

- 140m

Ans: 280m^{2}

- For a population growth higher than 2 % per year, design period for a water supply scheme normally taken is :
- 10 years
- 15 years
- 20 years
- 25 years

Ans: 20 years

- The most efficient channel section for open channel flow is :
- Trapezoid
- Semi-circular
- Rectangular
- Square

Ans: Trapezoid

- Number of vehicles occupying a road lane of unit length at certain time is :
- Traffic volume
- Traffic density
- Traffic capacity
- Square

Ans: Traffic density

- Which document is not necessary for preparing the cost estimate of a construction project :
- Bar chart
- District rates
- Approve norms
- Drawings

Ans: Bar chart

- Critical path :
- Is always longest
- Is always shortest
- May be longest
- May be shortest

Ans: Is always longest

- In a RCC beam section in which concrete is not fully stresses to its permissible value when stress in steel reaches its maximum value is called :
- Under-reinforced section
- Over reinforced section
- Critical section
- Balanced section

Ans: Under-reinforced section

- Pavement width formation width surface characteristics and camber are termed as :
- Road characteristics
- Cross section element
- Right of way
- Built up width

Ans: Cross section element

- If V is average velocity of flow, n is manning’s roughness coefficient, R is hydraulic radius and S is longitudinal slope of canal, then according to manning’s formula :
- V = 1/n x R
^{1/2}x S^{1/2} - V = 1/n x R
^{2/3}x S - V = 1/n x R
^{3/2}x S^{1/2} - V = 1/n x R
^{2/3}x S^{1/2}

- V = 1/n x R

Ans: V = 1/nx R^{2/3}x S^{1/2}

- During survey work inaccessible point on a plane are plotted by :
- Extrapolation
- Traversing
- Resection
- Intersection

Ans: Traversing

- Minimum initial setting time recommended for ordinary Portland cement in minutes is :
- 30
- 45
- 60
- 33

Ans: 30

- Mohr’s circle is obtained by plotting :
- Normal stresses
- Normal and shearing stresses
- Shearing stresses
- Principle and shearing stresses

Ans: Normal and shearing stresses

- The length of runway is increased per 300m rise above mean sea level :
- 3%
- 5%
- 7%
- 9%

Ans: 7%

- The maximum unit pressure that a soil can withstand without rapture in shear is called :
- Bearing capacity
- Safe bearing capacity
- Allowable bearing capacity
- Ultimate bearing capacity

Ans: Safe bearing capacity

- An imaginary line joining the points of equal elevation on the surface of the earth represents :
- Contour surface
- Contour gradient
- Contour line
- Level line

Ans: Contour line

- Due to curvature of earth, the object :
- Looks higher than it is
- Looks lower than it is
- Looks as it is
- Looks as not it is

Ans: Looks lower than it is

- While setting up a plane table at any station :
- Centering is done first
- Leveling is done first
- Centering and leveling are done simultaneously
- Orientation is done first

Ans: Centering and leveling are done simultaneously

- In Nepal, retaining walls are generally built with :
- Stone masonry
- Brick masonry
- Hollow concrete block
- Bamboo

Ans: Stone masonry

- The purpose of mixing admixture to cement concrete is :
- To increase the rate of strength
- To increase water tightness
- To increase the strength
- All of the above

Ans: All of the above

- When brick is cut into halves, longitudinally, one part is called :
- King closer
- Queen closer
- Cornice brick
- None of the above

Ans: Queen closer

- The hydrostatic force exerted by 2m deep water gate downstream is equal to :
- 20kN
- 40kN
- 80kN
- 10kN

Ans: 20kN

- Which of the best hydraulic section of the following open channel cross sections?
- Rectangle
- triangle
- trapezoidal
- semicircle

Ans: trapezoidal

- Moment of resistances of rectangular beam is more depends on :
- width of beam
- depth of beam
- span of beam
- all of the above

Ans: all of the above

- The ratio of lateral strain to axial strain of a homogeneous material is known as :
- Yield ratio
- Hook’s ratio
- Poisson’s ratio
- Plastic ratio

Ans: Poisson’s ratio

- Bearing capacity of soil is determined by :
- Plate load test
- Standard cone test
- Both A and B
- Sieve test

Ans: Both A and B

- Maximum size of clay particle is :
- 0.002 mm
- 0.04 mm
- 0.08 mm
- 1.00 mm

Ans: 0.002 mm

- One way slabs are those in which :
- ratio is greater than 2
- ratio is less than 2
- ratio is greater than 1
- None of the above

Ans: ratio is greater than 2

FINISH

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