NBCC JE CIVIL ENGINEERING 2022 QUESTION WITH ANSWER

NBCC JE  CIVIL ENGINEERING 2022 QUESTION WITH ANSWER

1      The substance bar is used to measure ?

"Vertical distance

Horizontal distance (Correct Answer)

 Level difference

Vertical angle"

2      What is the desirable limit of Calcium in drinking water as per IS 10500:2012?

"20 mg/l

50 mg/l

75 mg/l  (Correct Answer) 

100 mg/l"

3      What is the compressive strength of M-25 concrete?

"25 kg/sqm

25 N/sq.mm  (Correct Answer) 

250 N/sqm

25 N/sqm"

4      1 bag of 50 kg cement =   

             

"0.225 Cu. m.

0.034 Cu. m.  (Correct Answer)

0.17 Cu. m.

0.30 Cu. m."

5      The ratio of surface tension of a spherical droplet and hollow bubble of same diameter is

"1:1

1:2  (Correct Answer)

2:1

3:1"

6  How many of the following instruments are correctly matched with their purpose / what they measure? 

 1. Vee-Bee apparatus - Workability or consistency of concrete mix

 2. Le Chatelier Flask - Specific gravity of

hydraulic cement

 3. Vicat apparatus - Initial and final setting times of cement

"0

1

2

3  (Correct Answer)"

7      In a litre of paint, the volume of solid pigment is 400 cc and volume of non-volatile binder is 600cc. What is the pigment volume concentration number of the paint?

"400

200

40  (Correct Answer) 

4"

8      The ratio of total elongation of a bar of uniform cross-section produced under its own weight to the elongation produced by an external load equal to weight of the bar, would be

"2

1

0.5  (Correct Answer)

 0.25"

9      The value of Poisson ratio is generally not greater than

"0.05

1

0.5  (Correct Answer) 

1.5"

10      The percentile speed which is considered as upper safe unit for vehicles is

"15th percentile speed

85th percentile speed  (Correct Answer) 

98th percentile speed

None of the above"

"11 ) A Cipoletti weir has side slope of         "

"1 horizontal : 1 vertical

1 horizontal : 2 vertical

1 horizontal : 3 vertical

1 horizontal : 4 vertical  (Correct Answer)"

12      When is a floating body is in stable equilibrium?

"When its metacentric height is zero

When the centre of gravity of the body is below the centre of buoyancy 

When its metacentre is above the centre of gravity of body  (Correct Answer) 

In none of the above situations"

13      When the declination of magnetic bearing is towards west then,   

    

"True bearing = magnetic bearing + declination

True bearing = magnetic bearing – declination  (Correct Answer) 

True bearing + magnetic bearing = declination

None of the above"

14      Stoke is the Unit of .........

"Kinematic viscosity in CGS Unit  (Correct Answer) 

Kinemtatic viscosity in MKS Unit

Dynamic viscosity in MKS Unit

Dynamic viscosity in SI Unit"

15      The radius of Mohr’s circle for two unlike principal stresses of magnitude p is:

"p/4

 p/2

p  (Correct Answer)

2p"

16      In simply supported beam of rectangular cross section, at the neutral axis, the bending stress is         and shear stress is            .

"Zero, maximum  (Correct Answer)

Maximum, zero

Zero, zero

Maximum, maximum"

17      Which of the following is a ductile material?

"cast iron

copper  (Correct Answer)

 glass

concrete"

18      The soils having SPT value in between 0 & 2, will have the consistency as

"Very soft  (Correct Answer) 

Medium

Hard

Stiff"

"19      If the original cost of a building is Rs.1,00,000/-, scrap value is Rs. 1,000/- and life of the property is 99 years, the Annual Depreciation calculated by Straight Line Method is       "

"100

1000  (Correct Answer)

90

10000"

20      In BOT (Build-Operate-Transfer) based project, the most important evaluation criterion is

"financial internal rate of return internal rate of return

benefit-cost ratio  (Correct Answer)

present value"

21      Which of the following type of Bituminous emulsion is suitable for surface dressing and penetration macadam type of construction?

 i) Rapid setting (RS) type

 (ii) Medium setting (MS) type

"i only  (Correct Answer) 

ii only

both i and ii

neither i nor ii"

22      Calculate the ratio of Active Earth pressure to Passive Earth Pressure if it is given that the value of internal friction for sandy soil is 30 degrees.

"1/9  (Correct Answer) 

9

3

1/3"

23      Two circular copper bars of equal lengths have diameter ratio 1:2. When each bar is subjected to the same tensile load, the corresponding ratio of elongations will be:

"4:1  (Correct Answer)

1:4

2:1

1:2"

24      The relation between intermediate sight distance (ISD) and stopping sight distance (SSD) is

"ISD = 2 × SSD  (Correct Answer)

 ISD = 3 × SSD

ISD = 4 × SSD

ISD = 5 × SSD"

25      What is Khosla's formula used to calculate?

"Runoff  (Correct Answer) 

Precipitation Evaporation

All of the above"

26      The relation between surface tension (σ), diameter & difference of pressure between inside and outside of a liquid drop is

"P = 4σ/d  (Correct Answer)

 P = 8σ/d

P = 2σ/d

P = 3σ/d"

27      The formula for calculation of toughness index of soil mass is

"Plasticity index / Flow index  (Correct Answer)

 Plasticity index × flow index

Plasticity index – flow index

Flow index / plasticity index"

"28      In the case of OPC, for the cement to possess the property of SOUNDNESS, the quantity of GYPSUM is       

% of clinker"

"3 to 5  (Correct Answer)

8 to 10

10 to 12

12 to 13"

29      What is classification of soil if the degree of saturation of soil mass is 0%?

"dry  (Correct Answer) 

partially saturated

 fully saturated

incorrect data"

30      In Ultimate Load Method, the load used in the design of R.C.C. structures refers to

"Total collapse load

Working load multiplied by a load factor  (Correct Answer)

 Working load divided by a load factor

Plastic load"

31      Travel behaviour characteristics of an urban area can be derived from         .

Parking Survey

"Demographic Survey

 Socio Economic Survey

Origin & Destination Survey  (Correct Answer)"

32      Bulk modulus [K] is ratio of ?

"Volumetric strain / Normal stress

Normal stress / Volumetric strain  (Correct Answer)

 Linear strain / Normal stress

Normal stress / Linear strain"

33      If the average monthly demand of domestic water in a city is q unit, the maximum monthly demand will be

"1.28q  (Correct Answer) 

1.48q

1.5q

2.7q"

34      In a liquid jet of radius ‘r’, the surface tension is expressed as             , where ‘Δp’ is the pressure of the liquid.

"Δp /r

Δp × r  (Correct Answer) 

r/ Δp

r + Δp"

"35      The ratio of slope at free end in cantilever beam having uniform load intensity to varying load intensity

maximum at fixed end, would be"

"0.25

7.5

0.4

4  (Correct Answer)"

36      Along the grains, tensile strength of timber is   

    the corresponding compressive strength

"same less than not comparable

more than  (Correct Answer)"

37      Distemper is used on         

"Brick walls

Plastered surface exposed to weather Concrete surface

Plastered surface not exposed to weather  (Correct Answer)"

38      Expansion joints are generally provided at [ For smooth interface]

"50 m  (Correct Answer) 

30 m

5 m

none"

39      The process which is used for obtaining petroleum bitumen is

"atmospheric vacuum distillation  (Correct Answer) 

destructive distillation

liquefaction

none of the above"

40      What is the minimum grade of concrete to be used for pre-tensioned structural element as per IS 1343:1980?

M10

"M20

 M30

M40  (Correct Answer)"

"42      As per the Indian Standard soil classification system, a sample of silty clay with plasticity index of 28% and

liquid limit of 40% and classified as       "

"CH

Cl  (Correct Answer) 

CL

CL-ML"

43      Which of the following Bogue components is responsible for the ultimate strength of OPC?

"C3S

C2S  (Correct Answer)

 C3A

C4AF"

44      The concrete recommended for radiation shielding is

"fibre reinforced concrete

heavy weight concrete  (Correct Answer)

 light weight concrete

all of the above"

45      A cork is immersed in a jar of water and released. How the cork will move if the jar is assumed to be kept in a satellite orbiting earth:

rise

"sink

remains where left  (Correct Answer)

 none of these"

46      A square based regular pyramid has all sides equal to 10 m. Its height is approximately equal to              m.

"10

14"

"7  (Correct Answer)

5"

47      Which of the following processes can be used for corrosion prevention method of cast iron?

i) Painting 

ii) Epoxy coating 

iii) Quenching 

iv) Galvanizing

"i, ii and iv  (Correct Answer)

 i, ii and iii

i only

iii only"

48      Falling drops of water become spherical because of below properties of fluid ?

"Surface tension  (Correct Answer) 

Cohesion

Adhesion

Viscosity"

49      Type of Earth pressure that exists in case of deep basement wall is       

"Active Earth pressure 

Passive Earth pressure

At rest Earth pressure  (Correct Answer)

Sometimes active, sometimes passive Earth pressure"

50      The shape of transition curve recommended by Indian Railway is

"Circular

Spiral"

"Cubic Parabolic  (Correct Answer)

Lemniscates"

51      Which of the following property/properties is/are possessed by Joint filler?

"Compressibility Elasticity

Durability"

All of the above  (Correct Answer)

52      The correct group symbol of "clayey sand" is

"SM 

OH

SC  (Correct Answer)

GC"

53      For mesurement of Quantity degree of accuracy for volume is taken as .....

"0.01 cu meter  (Correct Answer) 

1 cu meter

10 cu meter

100 cu meter"

54      The correct formula for calculating hydraulic gradient is G : specific gravity of soil solids E : void ratio

"(G - 1) / 1 + e  (Correct Answer)

 (G + 1) / 1 + e

(G - 1) / 1 - e

(G + 1) / 1 - e"

55      Shear stress is_______________ at Neutral axis for rectangular section .

"Maximum  (Correct Answer) 

Minimum

Avergae"

Zero

56      For designing of road and geometrics in India,                      

  traffic volume is considered.

"30th highest hourly  (Correct Answer)

 40th highest hourly

50th highest hourly

60th highest hourly"

57      The centrifugal ratio adopted in design of horizontal curve is defined as

"Weight of the vehicle/Centrifugal force 

Weight of the vehicle X Centrifugal force 

Centrifugal force/Radius of curvature

Centrifugal force/Weight of the vehicle  (Correct Answer)"

58      If the degree of shrinkage Sr (%) of soil mass is < 5%, then the quality of soil is

"good  (Correct Answer)

 medium good

poor

very poor"

59      For a design speed of 80 kmph, minimum visibility distance at a major road intersection, is       

"200 metres

120 metres  (Correct Answer)

 80 metres

100 metres"

60      How many of the following tests are correctly matched with their purpose? 1. Oven dying method - Determination of water content of soil sample 2. Ring and Ball test - Determination of softening point of bitumen 3. Sand bath method - Water content determination of soil

"0

1

2

3  (Correct Answer)"

61      Reinforced cement concrete is strong in       

"Tensile and compressive stresses  (Correct Answer) 

only tensile stress

only compressive stress

neither tensile nor compressive stresses"

62      As per IS 456:2000, the maximum amount of tensile reinforcement in a reinforced concrete beam shall not exceed ......

"0.012 * b * D

0.015 * b * D

0.03 * b * D

0.04 * b * D  (Correct Answer)"

63      What ingredient is used in the production of Aerated Cement Concrete?

"Aluminum  (Correct Answer)

 Calcium chloride

Gypsum

Sulphur"

64      The strain at yield of reinforcing steel is

"elastic strain + (design yield stress/Young's modulus of steel)  (Correct Answer)

 inelastic strain + (design yield stress/elastic strain)

inelastic strain + (design yield stress/Young's modulus of steel)

elastic strain + (design yield stress/inelastic strain)"

65      Which of the following is NOT an ingredient of primer used on woods?

"RED LEAD WHITE LEAD LITHARGE

NONE OF THE ABOVE  (Correct Answer)"

66      The correct formula for calculation of water content is Ww : weight of water W : overall weight of soil mass Ws : weight of solids

"Ww / W Ww / Ws (Correct Answer)

Ws /W Ws /Ww"   

"67 Units of safe bearing capacity of soil is     "

"N/m kg/m m/s" (Correct Answer)  

68 Mathematically, Plasticity index is given by the difference of

"liquid limit and shrinkage limit  

shrinkage limit and plastic limit liquid limit and plastic limit (Correct Answer) none of these"  

69 As compared to laminar flow, in turbulent flow, boundary layers will be .....

"thinner thicker (Correct Answer)  

same half"  

70 Shear stress in a beam having triangular cross-section is maximum at ...

"extreme top fibre

extreme bottom fibre

neutral axis

mid depth (Correct Answer)" 

71 The radius of 1 degree curve in case of railways is

"1750 m (Correct Answer)

573 m 860 m 2292 m"  

72 What does the noise level L90 represent, in measuring traffic noise?

"background noise level (Correct Answer)

lowest noise level average noise level peak noise level"  

73 If the activity of soil mass is smaller than 0.60 , then the soil is classified as 

"inactive (Correct Answer)  

normal active none of the above" 

74 Find out value of Void ration for Fully Saturated soil having water content 30 % and Specific gravity 2.65

"0.565 0.656 0.795 (Correct Answer) 0.895"  

75 Origin and destination survey helps in identifying

"Desire lines of vehicular traffic flow (Correct Answer)  

Location of main traffic nodes Peak capacity of road Peak capacity of road junctions"  

"76 Which of the following may be used as surface course for roads with low traffic in low rain fall regions? 1. Bituminous stabilized layer 2. Soil-lime stabilized layer 3. Cement-lime stabilized layer" "2 and 3 Only 1 (Correct Answer) 1, 2 and 3 1 and 2"   

77 If the annual net income from a commercial property is Rs. 22,000/-and the interest rate is 8%, then the capitalization value of the property in perpetuity is approx       

          . "350000 275000 (Correct Answer) 175000 88000"  

78 As per IS Soil classification system the silt particles size ranges from                    to  

                       ? "0.075 mm to 4.75 mm 4.75 mm to 20 mm 0.002 mm to 0.075 mm (Correct Answer)

2 mm to 20 mm" 

79 When liquidity index is between 0 and 1 the soil will behave like "Liquid Plastic (Correct Answer) Solid Sand" 

80 The acceptable limit required for lead as per Indian Standard Drinking Water Specifications (IS 10500 : 2012) is "0.01 mg/l (Correct Answer) 0.02 mg/l 0.05 mg/l 0.10 mg/l"  

"81 At the point of inflexion, which of the following is true? a) deflected shape changes curvature b) bending moment is zero"

"only a) 

only b) both a) and b) (Correct Answer) neither a) nor b)"  

82 The ratio of ultimate stress to the permissible stress is called   

                

"Factor of safety (Correct Answer)

Design factor Stress factor Load factor"  

83 Unit of measurement of dynamic viscosity is     

    

"poise (Correct Answer) 

poisson stoke joules"  

84 In consistency test Vicat’s plunger penetrates up to a to mm from the bottom of the

Vicat’s mould. ? "2 to 3 mm 3 to 5 mm 5 to 7 mm (Correct Answer) 7 to 10 mm"   

85 The materials used in Prestressed concrete are

"High strength steel and high strength concrete (Correct Answer)  High strength steel and low strength concrete Low strength steel and high strength concrete Low strength steel and low strength concrete"  

86 In Direct Shear Test, the failure strain for loose sand is  

"12 to 16% (Correct Answer) 2 to 4% 20 to 25% 6 to 8%"  

87 For a composite bar system of length L, change in length of the two members are same".

This is referred to as condition "Equilibrium compatibility (Correct Answer) 

momentum neutral"  

88 Poisson's ratio is

      

"Lateral Strain / Linear Strain (Correct Answer)  

Linear Strain / Lateral Strain Lateral Strain / Linear Stress Load / area"  

89 The age of a tree is determined by    

"Counting the number of rings in the stem cross-section (Correct Answer)  Counting the number of leaves on the branches Measuring the height of the tree Measuring the root and stem ratio" 

90 The Elastic modulus of the material is                   if the Poisson’s ratio of material is 0.5  

"Five times its shear modulus 

Equal to its shear modulus

Three times its shear modulus (Correct Answer) Nine times its shear modulus"