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 :
    1. 15
    2. 20
    3. 25
    4. 30

Ans: 20

  • The height of soldier coarse in brick masonry is equal to :
    1. Length of the brick
    2. Width of the brick
    3. Thickness of the brick
    4. None of the above

Ans: Width of the brick

  • The minimum height of door should be :
    1. 1m
    2. 8m
    3. 5m
    4. 3m

Ans: 2.1m

  • The maximum diameter of the reinforcing bar is a slab should not exceed :
    1. 1/5 of the thickness of slab
    2. 1/10 of the thickness of slab
    3. 1/8 of the thickness of slab
    4. 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 :
    1. Header
    2. Closer
    3. Stretcher
    4. 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 :
    1. 18 bags
    2. 10 bags
    3. 24 bags
    4. 9 bags

Ans: 24 bags

  • Standard BOD is measured at :
    1. 200C/1day
    2. 250C/3day
    3. 200C/5day
    4. 300C/5day

Ans: 200C/5day

  • As per the World Health Organization (WHO) studies per capita demand of water in rular area is …….. liter per capita per day (LPCPD) :
    1. 45
    2. 230
    3. 10
    4. 65

Ans: 45

  • A dam depending solely on its weight to resist water pressure is :
    1. Stable dam
    2. Heavy dam
    3. Gravity dam
    4. 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 :
    1. Side intake
    2. Weir
    3. Barrage
    4. Bid bar

Ans: Barrage

  • What is the length of recently constructed bridge on karnali river at kothiyaghat?
    1. 515m
    2. 1015m
    3. 1515m
    4. 2015m

Ans: 1015m

  • CBR test is performed for finding :
    1. Strength of sub grade
    2. Strength of concrete
    3. Strength of bitumen
    4. All of the above

Ans: Strength of sub grade

  • The convexity provided to carriageway between the crown and edge of the pavement is :
    1. Shoulder
    2. Super elevation
    3. Valley curve
    4. Camber

Ans: Camber

  • Which of the following information is not found in specification?
    1. Nature of works
    2. Quality of materials
    3. Type of workmanship
    4. Dimensions

Ans: Dimensions

  • Which of the following is not required in an airport?
    1. Runway
    2. Taxiway
    3. Subway
    4. Apron

Ans: Subway

  • Gantt chart is drawn for :
    1. Time versus activity
    2. Activity versus activity
    3. Resource versus activity
    4. Progress versus time

Ans: Time versus activity

  • The size of A4 paper is :
    1. 297 x 420 mm
    2. 210 x 297 mm
    3. 420 x 850 mm
    4. None of the above

Ans: 210 x 297 mm

  • The shape of a vertical curve on highway is :
    1. Spiral
    2. Parabolic
    3. Elliptical
    4. All of the above

Ans: All of the above

  • If 5m3 of a certain oil weighs 40 KN, the specific weight of this oil is :
    1. 8000 N/m3
    2. 800 N/m3
    3. 8 N/m3
    4. 125 KN/m3

Ans: 8000 N/m3

  • The main principle of an organization is :
    1. Unity of command
    2. Effective control at all levels
    3. Delegation of authority
    4. All of the above

Ans: All of the above

  • Fluid pressure are measured using :
    1. Manometers
    2. Mechanical gages
    3. Barometers
    4. Manometers and mechanical gases

Ans: Manometers

  • The relationship between coefficient of active earth pressure (Ka) and passive earth pressure (Kp) for soil mass is :
    1. Ka = square root Kp
    2. Ka =1/ Kp
    3. Ka = 1/ square root Kp
    4. Ka = 1/2 p

Ans: Ka =1/ Kp

  • Area of tensile reinforcement when 4 numbers of 10mm diameter steel are provided in tension zone is :
    1. 314 mm2
    2. 4 mm2
    3. 314 cm2
    4. 4 cm2

Ans: 314mm2

  • Quantity of plastering on a floor and ceiling of a hall with size 14m x 10m is :
    1. 140m2
    2. 280m2
    3. 140ft2
    4. 280ft2

Ans: 280m2

  • For a population growth higher than 2 % per year, design period for a water supply scheme normally taken is :
    1. 10 years
    2. 15 years
    3. 20 years
    4. 25 years

Ans: 20 years

  • The most efficient channel section for open channel flow is :
    1. Trapezoid
    2. Semi-circular
    3. Rectangular
    4. Square

Ans: Trapezoid

  • Number of vehicles occupying a road lane of unit length at certain time is :
    1. Traffic volume
    2. Traffic density
    3. Traffic capacity
    4. Square

Ans: Traffic density

  • Which document is not necessary for preparing the cost estimate of a construction project :
    1. Bar chart
    2. District rates
    3. Approve norms
    4. Drawings

Ans: Bar chart

  • Critical path :
    1. Is always longest
    2. Is always shortest
    3. May be longest
    4. 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 :
    1. Under-reinforced section
    2. Over reinforced section
    3. Critical section
    4. Balanced section

Ans: Under-reinforced section

  • Pavement width formation width surface characteristics and camber are termed as :
    1. Road characteristics
    2. Cross section element
    3. Right of way
    4. 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 :
    1. V = 1/n x R1/2x S1/2
    2. V = 1/n x R2/3x S
    3. V = 1/n x R3/2x S1/2
    4. V = 1/n x R2/3x S1/2

Ans: V =   1/nx R2/3x S1/2

  • During survey work inaccessible point on a plane are plotted by :
    1. Extrapolation
    2. Traversing
    3. Resection
    4. Intersection

Ans: Traversing

  • Minimum initial setting time recommended for ordinary Portland cement in minutes is :
    1. 30
    2. 45
    3. 60
    4. 33

Ans: 30

  • Mohr’s circle is obtained by plotting :
    1. Normal stresses
    2. Normal and shearing stresses
    3. Shearing stresses
    4. Principle and shearing stresses

Ans: Normal and shearing stresses

  • The length of runway is increased per 300m rise above mean sea level :
    1. 3%
    2. 5%
    3. 7%
    4. 9%

Ans: 7%

  • The maximum unit pressure that a soil can withstand without rapture in shear is called :
    1. Bearing capacity
    2. Safe bearing capacity
    3. Allowable bearing capacity
    4. Ultimate bearing capacity

Ans: Safe bearing capacity

  • An imaginary line joining the points of equal elevation on the surface of the earth represents :
    1. Contour surface
    2. Contour gradient
    3. Contour line
    4. Level line

Ans: Contour line

  • Due to curvature of earth, the object :
    1. Looks higher than it is
    2. Looks lower than it is
    3. Looks as it is
    4. Looks as not it is

Ans: Looks lower than it is

  • While setting up a plane table at any station :
    1. Centering is done first
    2. Leveling is done first
    3. Centering and leveling are done simultaneously
    4. Orientation is done first

Ans: Centering and leveling are done simultaneously

  • In Nepal, retaining walls are generally built with :
    1. Stone masonry
    2. Brick masonry
    3. Hollow concrete block
    4. Bamboo

Ans: Stone masonry

  • The purpose of mixing admixture to cement concrete is :
    1. To increase the rate of strength
    2. To increase water tightness
    3. To increase the strength
    4. All of the above

Ans: All of the above

  • When brick is cut into halves, longitudinally, one part is called :
    1. King closer
    2. Queen closer
    3. Cornice brick
    4. None of the above

Ans: Queen closer

  • The hydrostatic force exerted by 2m deep water gate downstream is equal to :
    1. 20kN
    2. 40kN
    3. 80kN
    4. 10kN

Ans: 20kN

  • Which of the best hydraulic section of the following open channel cross sections?
    1. Rectangle
    2. triangle
    3. trapezoidal
    4. semicircle

Ans: trapezoidal

  • Moment of resistances of rectangular beam is more depends on :
    1. width of beam
    2. depth of beam
    3. span of beam
    4. all of the above

Ans: all of the above

  • The ratio of lateral strain to axial strain of a homogeneous material is known as :
    1. Yield ratio
    2. Hook’s ratio
    3. Poisson’s ratio
    4. Plastic ratio

Ans: Poisson’s ratio

  • Bearing capacity of soil is determined by :
    1. Plate load test
    2. Standard cone test
    3. Both A and B
    4. Sieve test

Ans: Both A and B

  • Maximum size of clay particle is :
    1. 0.002 mm
    2. 0.04 mm
    3. 0.08 mm
    4. 1.00 mm

Ans: 0.002 mm

  • One way slabs are those in which :
    1. ratio is greater than 2
    2. ratio is less than 2
    3. ratio is greater than 1
    4. None of the above

Ans:  ratio is greater than 2

 

FINISH

 

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