GitBook practice — Set 10 (Chaitra, 2081)

License Preparation NepalNEC CIVIL

GitBook practice — Set 10 (Chaitra, 2081)

Full marks: 100 · Questions: 80

01Question bank

The soundness of cement is tested by

Air permeability method

Le-chatelier method

Vicat's apparatus

All of these

02Question bank

The final setting time of ordinary cement should not be more than

2 hours

4 hours

8 hours

10 hours

03Question bank

Due to curvature of the earth object looks

Higher than really they are

Lower than really they are

At real height

All of the above

04Question bank

The most reliable estimate is

detailed estimate

preliminary estimate

plinth area estimate

cube rate estimate

05Question bank

Which of the following is the first principle of surveying?

Whole to whole

Part to part

Part to whole

Whole to part

06Question bank

The damp proof course (D.P.C.) is measured in

Cub.m

sq m

meters

none

07Question bank

Falling head permeability test is preferable when soil sample is

Sandy

Clayey

Silty sand

Sandy gravel

08Question bank

The soil transported by running water is called

Acolian soil

marine soil

alluvial soil

lacustrine soil

09Question bank

The expression for

K_{0}

as given by Jacky is...

K_{0} = 1 - \sin \phi

K_{0} = \sin \phi

K_{0} = 1 - \cos \phi

K_{0} = 1 + \sin \phi

10Question bank

The failure of slopes may take place due to...

Forces between the soil particle and High water content

Action of gravitational force

None of the mentioned

All of the mentioned

11Question bank

The gross pressure intensity (q) of a structure is...

Total pressure at base of the footing

Excess pressure after the construction of the structure

Minimum pressure intensity at the base

None of the mentioned

12Question bank

When do strap footings are used in foundation?

To transfer load of an isolated column

Distance between the columns are long

Two column loads are unequal

All of the mentioned

13Question bank

For incompressible fluid flow, if area reduces then what is the effect on the velocity?

increases

decreases

first increases then decreases

first decreases then increases

14Question bank

What is fluid mechanics?

Study of fluid behaviour at rest

Study of fluid behaviour in motion

Study of fluid behaviour at rest and in motion

15Question bank

Stagnation point is the point in fluid mechanics where the velocity of the fluid at that point is...

unity

constant

infinite

zero

16Question bank

Open channel flow takes place...

In a pump

Within a cylindrical depth

On a free surface

In the pipe

17Question bank

Which of the following principle is used for calculating the centre of pressure?

Principle of balancing of momentum

Principle of momentum

Principle of conservation of energy

None of the mentioned

18Question bank

Which of the following is a formula for the friction factor of circular pipes?

Re/64

16/Re

64/Re

Re/16

19Question bank

The presence of ... causes red color in water.

iron

manganese

sodium fluoride

calcium carbonate

20Question bank

The slow sand filters can remove bacteria as much as...percent.

70 to 80

80 to 90

90 to 98

98 to 99

21Question bank

A septic tank is...

sedimentation tank

digestion tank

aeration tank

combination of sedimentation and digestion tank

22Question bank

The internal diameter of the sewer not be less than...

15 cm

25 cm

50 cm

75 cm

23Question bank

The minimum width of a septic tank is taken

75 cm

70 cm

80 cm

85 cm

24Question bank

National Drinking Water Quality Standard (NWDQS) of Nepal came into effective in .... A.D.

2003

2004

2005

2006

25Question bank

The method of irrigation used for orchard is:

free flooding

border flooding

check flooding

basin flooding

26Question bank

Lining of a canal...

assures economical water distribution

reduces possibility of breaching

increases available head for power generation

all of the above

27Question bank

Lacy's regime condition is obtained if

silt grade in the channel is variable

discharge in the channel is variable

silt charge in the channel is variable

channel flows in unlimited, incoherent alluvium of the same character as that transported material.

28Question bank

For the design of major hydraulic structures on the canals, the method generally preferred to, is based on

Khosla's method of independent variables

The relaxation method

Electrical analogy method

Bligh's theory

29Question bank

Which of the following factor do not contribute to water-logging?

Inadequate drainage

Seepage from unlined canals

Frequent flooding

Excessive tapping of groundwater

30Question bank

Which of the following statement is not correct about Effective rainfall?

It doesn't take into consideration precipitation lost through deep percolation

It satisfies evapotranspiration needs of the crop

It includes surface runoff loss

It doesn't include surface runoff water loss

31Question bank

Nepal largest peaking hydropower project is;

Kaligandaki 'A' HEP

Middle Marsyandi HEP

Marsyandgi HEP

Upper Tamakoshi HEP

32Question bank

Which of the following is methods of fixing installed capacity of hydropower plant;

Marginal cost and benefit approach

Installed capacity optimization approach

Both a and b

None of these

33Question bank

The Electricity Transmission and Distribution License is given for;

35 Years

30 Years

20 Years

25 Years

34Question bank

When Froude number is greater than 4.5 then which type of stilling basin is used?

USBR Stilling Basin Type I

USBR Stilling Basin Type II

USBR Stilling Basin Type III

USBR Stilling Basin Type IV

35Question bank

Circular shape of tunnel is used when;

External pressure is more than internal pressure

Subjected to high internal pressure

Both of these

None of these

36Question bank

For which type of rock TBM is used;

Hard Rock

Soft Soil

Mixed and changing ground

All of these

37Question bank

Raising of outer edge of a road with respect to inner edge, is known

Super elevation

cant

banking

all the above

38Question bank

Speed regulations on roads is decided on the basis of

60 percentile cumulative frequency

75 percentile cumulative frequency

80 percentile cumulative frequency

85 percentile cumulative frequency

39Question bank

Purpose of the seal coat is to provide.....

an even surface

required grade

camber

an impervious layer

40Question bank

Side drains on both sides of a hill road, are essential when the road is

along the spur curves

along the re-entrant curves

in cutting

none of these

41Question bank

If cross slope of a country is 10% to 25%, the terrain is classified as

rolling

mountainous

steep

plain.

42Question bank

The number of treads in a flight is equal to

risers in the flight

risers plus one

risers minus one

risers plus three

43Question bank

The load required to produce a unit deflection in a spring is called

Young modulus

Flexural rigidity

Torsional rigidity

Spring stiffness

44Question bank

The slope and the deflection at a section in a loaded beam cannot be found out by

Rankin's method

Virtual work method

Macaulay's method

Moment area method

45Question bank

The neutral axis of the beam cross section must

Pass through the centroid of the section

Be equidistant from the top and bottom films

Be an axis of symmetry of the section

None of these

46Question bank

The relationships between three elastic constants E, G and K are:

E = \frac{9KG}{3K + G}

G = \frac{9KE}{3E + G}

E = \frac{9KG}{K + 3G}

K = \frac{9EG}{3G + E}

47Question bank

The absolute stiffness of beam when far end is fixed is:

\frac{4EI}{L}

\frac{3EI}{L}

\frac{2EI}{L}

\frac{EI}{L}

48Question bank

The cable subjected to UDL over its entire span assumes a shape of

semi-circle

an isosceles triangle

parabola

none of the above

49Question bank

The equivalent axial load may be defined as the load which produces a stress equal to

maximum stress produced by the eccentric load

maximum stressed fibre

bending stress

none of these

50Question bank

A structural member subjected to tensile force in a direction parallel to its longitudinal axis, is generally known as

a tie

a tie member

a tension member

all of the above

51Question bank

The most economical section for a column, is

rectangular

solid round

flat strip

tubular section

52Question bank

As the percentage of steel increases Compression Steel

depth of neutral axis decreases

depth of neutral axis increases

lever arm increases

lever arm decreases

53Question bank

A column is regarded as long column if the ratio of its effective length and lateral dimension, exceeds

54Question bank

The weight of reinforced concrete, is generally taken as

2200\mathrm{kg / m}^3

2500\mathrm{kg / m}^3

2800\mathrm{kg / m}^3

2100\mathrm{kg / m}^3

55Question bank

In general, Nepal Engineering council meeting per year should be held

2 times

3 times

4 times

5 times

56Question bank

Who is the chairman of Construction Material Rate Fixation Committee?

CDO

LDO

chairperson of DDC

section officer

57Question bank

The scale of chords is used to measure

Chords

Lines

Angles

Diameter

58Question bank

When an object is viewed from different directions and at different distances, the appearance of the object will be different. Such view is called

oblique projection

perspective view

axonometric projection

isometric projection

59Question bank

Frederick W. Taylor introduced a system of working known as

line organization

line and staff organization

functional organization

effective organization

60Question bank

The ratio obtained by dividing 'quick assets' by current liabilities is called

Acid test ratio

current ratio

liquidity ratio

solvency ratio

61Question bank

The area of the cross-section of a road fully in banking shown in the given figure, is Image description: A trapezoidal cross-section with side slopes 1:1, formation width = 10m, height of banking = 4m.

56 m^2

64 m^2

72 m^2

80 m^2

62Question bank

An outlet irrigates an area of 40 ha. The discharge required at this outlet to meet the evapotranspiration requirement of 40 mm occurring uniformly in 40 days neglecting other field losses is

4.52 litres/sec

2.31 litres/sec

4.01 litres/sec

1.52 litres/sec

63Question bank

The traffic volume is equal to Image description: A fundamental traffic flow relationship diagram.

traffic density

traffic speed

traffic density \* traffic speed

none of these

64Question bank

L

metres is the distance between extreme axles of a vehicle, its gross load should not exceed

1525(L + 4.3) - 14.7L^2

1525(L + 7.3) - 14.7L^2

1525(L + 6.3) - 14.7L^2

1526(L + 8.3) - 14.7L^2

65Question bank

In the cash flow diagram shown in the given figure Image description: Cash flow diagram with disbursements and receipts over years.

The first disbursement occurs at the end of year 2

the first receipt occurs at the end of year 1

the second receipt occurs at the end of year 3

all of these

66Question bank

The line given below is used for Image description: A center line with long and short dashes.

Hidden line

Center line

Cutting plane line

Section line

67Question bank

Given that a particular crop requires about 20 cm depth of water at an interval of 40 days, and the base period is 400 days. Find the delta for the crop? Now using this delta find the duty of water for the crop?

150 cm, 1150 hectares/cumec

180 cm, 1825 hectares/cumec

200 cm, 1728 hectares/cumec

195 cm, 1920 hectares/cumec

68Question bank

Arrange the following to obtain the correct procedure of soil density by sand replacement method. I. Cylinder is placed over a tray II. Tray with central hoe is placed in ground III. Test hole is dug IV. The cylinder valve is opened

(I), (II), (III), (IV)

(II), (III), (IV), (IV)

(I), (III), (II), (IV)

(II), (III), (IV), (I)

69Question bank

The drainage discharge of a town of 16 hectares area, consisting of 40% hard paved (

k = 0.8

), 30% unpaved (

k = 0.20

), and remaining as wooded (

k = 0.1

), with a max. rain intensity of 5 cm/hr, would be computed by Rational formula, as equal to

0.91 cumecs

0.091 cumecs

9.1 cumecs

None of these

70Question bank

If the average bending stress is

6\mathrm{kg} / \mathrm{cm}^2

for M 150 grade concrete, the length of embedment of a bar of diameter

d

according to I.S. 456 specifications, is

58d

48d

40d

95d

71Question bank

The size of a butt weld is specified by the effective throat thickness which in the case of incomplete penetration, is taken as

\frac{1}{2}

of the thickness of thicker part

\frac{7}{2}

of the thickness of thinner part

\frac{3}{2}

of the thickness of thicker part

\frac{3}{4}

of the thickness of thinner part

72Question bank

2%

solution of a sewage sample is incubated for 5 days at

20^{\circ}\mathrm{C}

and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is

200 ppm

250 ppm

300 ppm

225 ppm

73Question bank

If the load on a hydro power plant varies from a minimum of 12000 kW to peak to 42000 kW for a certain period, the load factor would be

35.72%

50%

100%

64.25%

74Question bank

The beam shown in the figure carries loads of 20kN and 40kN at point C and D respectively and produces a deflection of 6mm at point E. To produce a deflection of 8mm and 5mm at C and D respectively, the load required at E would be Image description: A simply supported beam with loads at C, D and deflection at E.

40kN

60kN

20kN

50kN

75Question bank

Carryover Moment at end B due to moment M applied at end A for the given beam is Image description: A fixed beam AB with moment M applied at A.

-M

+M/2

76Question bank

\mathbf{V}_1

and

\mathbf{V}_2

are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is

(\mathbf{V}_1 - \mathbf{V}_2) / (\mathbf{V}_1)

(\mathbf{V}_1^2 - \mathbf{V}_2^2) / (\mathbf{V}_1^2)

(\mathbf{V}_1^2) / (\mathbf{V}_1^2 - \mathbf{V}_2^2)

(\mathbf{V}_1) / (\mathbf{V}_1 - \mathbf{V}_2)

77Question bank

A reinforced concrete cantilever beam is

3.6\mathrm{m}

long,

25\mathrm{cm}

wide and has its lever arm

40\mathrm{cm}

. It carries a load of

1200\mathrm{kg}

at its free end and vertical stirrups can carry

1800\mathrm{kg}

. Assuming concrete to carry one-third of the diagonal tension and ignoring the weight of the beam, the number of shear stirrups required, is

78Question bank

For a rectangular sedimentation tank with

\mathbf{L}^* \mathbf{B}^* \mathbf{H}

5\mathrm{m}^* 4\mathrm{m}^* 3\mathrm{m}

and design discharge of

600\mathrm{m}^3 / \mathrm{d}

, SOR will be...

79Question bank

The coefficient of earth pressure at rest is given by

k_0 = \frac{\mu}{1 - \mu}

k_0 = \frac{\mu}{1 + \mu}

k_0 = \frac{2\mu}{1 - \mu}

k_0 = \frac{1}{1 - \mu}

80Question bank

In CPM, the cost slope is determined by

Crash cost/Normal Cost

(Crash Cost - Normal cost)/ (Normal time - Crash time)

Normal Cost/Crash cost

(Normal cost - Crash cost)/ (Normal time - Crash time)