GitBook practice — Set 6 (Ashoj, 2081)

License Preparation NepalNEC CIVIL

GitBook practice — Set 6 (Ashoj, 2081)

Full marks: 77 · Questions: 77

01Question bank

The amount of Standard bricks required for 1m³ masonry (As per IS standard) is:

400

500

750

300

02Question bank

An aggregate is known as cyclopean aggregate if its size is more than:

4.75 mm

30 mm

60 mm

75 mm

03Question bank

Number of links in a 30 m metric chain is:

100

150

200

180

04Question bank

A staff reading taken on a bench mark/known elevation or change point is known as:

Back sight

Fore sight

Middle sight

None of the above

05Question bank

According to ISI method of measurement, the order of the sequence is:

breadth, height, length

breadth, length, height

length, breadth, height

none of these

06Question bank

Who is the father of Geotechnical Engineering?

Christian Otto Mohr

Clausius Clapeyron

John Smith

Karl Von Terzaghi

07Question bank

The meniscus correction in hydrometer reading is:

Always positive

Always negative

Negative sometime

Positive sometime

08Question bank

When water content in a soil is reduced beyond the shrinkage limit, the soil will be in a:

solid state

liquid state

semi-solid state

plastic state

09Question bank

The earth pressure at rest is defined as the lateral pressure exerted by soil:

when it is at rest

when the retaining wall has no movement relative to the back fill

when the retaining wall tends to move away from the backfill

when the retaining wall moves into the soil

10Question bank

The failure of foundation of a building is due to: *(Text incomplete, but common causes include:)*

withdrawal of foundation of a building is due to

lateral escape of the supporting material

both

none

11Question bank

An ideal fluid is defined as the fluid which:

is compressible

is incompressible

incompressible and non-viscous (inviscid)

has negligible surface tension

12Question bank

For floating body, if the meta-centre coincides with the centre of gravity, the equilibrium is called:

stable

unstable

central

none of the above

13Question bank

The Froude's number for a flow in a channel section is 1. What type of flow is it?

Sub Critical

Critical

Super critical

Laminar

14Question bank

The run off a drainage basin is:

Initial recharge + ground water accretion + precipitation

Precipitation + ground water accretion + initial recharge

Precipitation - ground water accretion + initial recharge

Precipitation - ground water accretion - initial recharge

15Question bank

Coefficient of friction of a laminar flow is:

Re/16

Re/64

16/Re

64/Re

16Question bank

Which of the following is false for deflection of a point/linearity a fixed support?

Displacement and slope is zero

Displacement as well as slope is non-zero

Displacement is zero

Slope is zero

17Question bank

Which of the following methods for solving indeterminate structures are easiest for computational purposes?

Displacement method

Method of consistent deformation

Moment area method

Force method

18Question bank

What will be the value of dU, in terms of E and I?

\mathrm{M}^2\mathrm{d}x / \mathrm{EI}

\mathrm{M}^2\mathrm{d}x / \mathrm{EI}

\mathrm{M}^2\mathrm{d}x / \mathrm{EI}

*(All options appear same, likely a typo. Correct formula for strain energy in bending is:)*

dU = \frac{M^2 dx}{2EI}

19Question bank

One degree of hardness of water means a content of salts of:

0.25 mg/litre

12.25 mg/litre

4.25 mg/litre

16.25 mg/litre

20Question bank

Which of the following gives underground water?

spring

river

pond

lake

21Question bank

Geological formation which not only stores water but yields it in sufficient quantity is:

aquifer

aquifuge

aquiclude

aquitard

22Question bank

The rate of filtration in rapid sand filters is of the order of ... to ... liters per hour per m²:

40 to 80

100 to 200

400 to 2000

6000 to 6000

23Question bank

Units of turbidity are:

mg/l

potassium chloroplatinate units

NTU

All

24Question bank

Time taken for COD test is about:

3 hrs

24 hrs

5 days

30 mins

25Question bank

The irrigation is necessary in an area:

when there is a scanty rainfall

where commercial crops require more water

both

none

26Question bank

Distributary head regulators are provided:

to control the supplies to the off-taking channel

to stop the supply, when not needed, in the off-taking canal

to control the silt entry in the off-taking canal

all of the above

27Question bank

A structure constructed in an irrigation canal for the purpose of wasting some of its water, is known as:

fall

escape

regulator

none

28Question bank

Trap efficiency of a reservoir is a function of:

Capacity/inflow ratio

capacity/outflow ratio

outflow/inflow ratio

none of these

29Question bank

The main cause of silting up a channel:

non-regime section

defective head regulator

both

none

30Question bank

Infiltration rate is always:

more than the infiltration capacity

less than the infiltration capacity

equal to or more than the infiltration capacity

equal to or less than the infiltration capacity

31Question bank

In Hydropower generation generator convert:

Hydraulic energy into mechanical energy

Mechanical energy into electrical energy

Hydraulic energy into electrical energy

None

32Question bank

For medium head plant, which turbine is used?

Pelton Turbine

Francis Turbine

Kaplan Turbine

Propeller

33Question bank

According to the Water Resources Act 2049, the priority order of hydropower development by using water is:

First (drinking)

Second (irrigation)

Third (hydropower)

As per need

34Question bank

Trap efficiency is the function of:

Capacity inflow ratio

discharge and sediment ratio

both

none

35Question bank

Mass curve is also known as:

Demand curve

Ripple curve

Hydrograph

Mass diagram

36Question bank

The main function of centrifugal pumps are to:

Transfer speed

Transfer pressure

Transfer temperature

Transfer energy

37Question bank

The road surfacing should be:

impervious

stable

both

all of these

38Question bank

The stopping sight distance depends upon the:

reaction time

braking time

speed of vehicle

all of these

39Question bank

The traffic census is carried out to study:

speed and delay

traffic volume

load parking

origin and destination

40Question bank

An ideal vertical curve is:

true spiral

cubic spiral

cubic parabola

circular

41Question bank

While calculating overtaking sight distance, the height of the object above road surface, is assumed:

90 cm

100 cm

110 cm

120 cm

42Question bank

According to Nepal Road Standard NRS2070, for geometric design of road equivalency factor for bicycle. motorcycle is equal:

0.35

0.5

0.75

43Question bank

Thickness of broken line markings on multi-lane road for lanes is generally kept:

10 cm

12 cm

15 cm

18 cm

44Question bank

In standard A series drawing sheet, the ratio of length of shorter side to longer side is equal to:

1:2

4:3

\sqrt{3}:2

1:√2

45Question bank

Diagonal scales are used for measurement of:

one unit

two unit

three unit

four unit

46Question bank

What is the reduction in the money value of capital asset is called?

Capital expenditure

Capital loss

Loss

Deficit

47Question bank

Inflation is a normal phenomena in which:

nominal price of object is raised

nominal price of object is decreased

nominal price of object is constant

none of the above

48Question bank

In resource levelling the main constraint is:

in the resources

project duration time

both a) and b)

none of the above

49Question bank

Professionals who breach the 'duty of care' are liable for injuries their negligence causes. This liability is commonly referred to as:

Professional offense

Professional negligence

Professional misdeed

Professional malpractice

50Question bank

In Nepal, which of the following act contains the provisions on health and safety of the workers?

contract act

industry act

labour act

all of the above

51Question bank

Which of the following material is not used in making trusses?

Metal bars

Concrete

Wooden struts

Channel

52Question bank

Which of the following method is best for the design of steel structure?

Working Stress Method

Earthquake Load Method

Limit State Method

Ultimate Load Method

53Question bank

High carbon steel is used in:

structural buildings

fire resistant buildings

for waterproofing

transmission lines and microwave towers

54Question bank

A raft foundation is provided if its area exceeds the plan area of the building by:

10%

20%

50%

45%

55Question bank

The Young's modulus of elasticity of steel, is:

150 KN/mm²

250 KN/mm²

200 KN/mm²

275 KN/mm²

56Question bank

Beam is defined as a structural member subjected to:

reverse loading

axial loading

axial and traverse loading

transverse loading

57Question bank

The relation between duty (D) in hectares/cumec, delta (Δ) in metres and base period (B) in days is:

\Delta = \frac{8.64 B}{D}

\Delta = \frac{864 B}{D}

\Delta = \frac{864 B}{D}

\Delta = \frac{8640 B}{D}

58Question bank

The braking efficiency mainly depends on:

Sight distance

PIEV theory

Friction

Length of the curve

59Question bank

Spillway in reservoir is used for:

To withdraw the design discharge

To control the bed load

To settle the suspended particle

To control the bed load

60Question bank

Two turbo-generators, each of capacity 25,000 kW, have been installed at a hydel power station. The load on the hydel plant varies from 15,000 kW to 40,000 kW. The total installed plant capacity and the load factor are nearly:

40,000 kW and 68.8%

50,000 kW and 68.8%

40,000 kW and 62.3%

50,000 kW and 62.3%

61Question bank

If the difference of levels between two points A and B is 1 meter and their distance apart is 50 meters, the gradient is said to be:

1 in 50 or 2%

1 in 5 or 20%

1 in 20 or 5%

none of these

62Question bank

The Gross Command Area for a distributary is 8000 hectares 80% of which is culturable irrigable. The intensity of irrigation for Rabi season is 50% and the average duty at the head of the distributary is 2000 hectares/cumec. Determine the discharge required at the head of the distributary.

1.33 cumec

1.60 cumec

1.40 cumec

1.44 cumec

63Question bank

Efficiency of a riveted joint is defined as the ratio of:

least strength of a riveted joint to the strength of solid plate

greatest strength of a riveted joint to the strength of solid plate

least strength of a riveted plate to the greatest strength of the riveted joint

all of the above

64Question bank

The total earth pressure

P_0

at rest per unit length for vertical height H is:

P_0 = \frac{1}{2} K_0 \gamma H^2

P_0 = \gamma H^2

P_0 = K_0 \gamma H^2

P_0 = \frac{1}{2} \gamma H^2

65Question bank

A penstock is 3000 meters long. Pressure wave travels in it with a velocity of 1500 m/s. If the turbine gates closed uniformly and completely in a period of 4.5 seconds, then it is called:

slow closure

rapid closure

uniform closure

sudden closure

66Question bank

An earth-retaining structure be subjected to the following lateral earth pressures: i. Earth pressure at rest\ ii. Passive earth pressure\ iii. Active earth pressure The correct sequence of the increasing order of the magnitudes of these pressure is:

iii, ii, I

i, iii, ii

i, ii, iii

iii, i, ii

67Question bank

What is the below instrument called? \[Image description: A T-shaped drawing instrument]

Set square

Straightedge

T-square

Opisometer

68Question bank

The total annual cost of highway transportation may be expressed as?

A = B - CN

A = B + CN

A = \frac{B}{CN}

A = \frac{CN}{B}

Where,\

B

= annual cost of highway\

C

= annual cost of vehicle operation\

N

= total number of vehicles on the road per year

69Question bank

The absolute minimum radius of horizontal curve for a design speed 60 kmph is:

131 m

210 m

360 m

none of the above

70Question bank

If a is the base amount expenditure, b is the increase in the operation cost each year over a period of n years, the total cost of maintenance is:

a + (n + 1)b

a + (n - 1)b

a \times (n - 1)b

a \cdot (n - 1)b

71Question bank

A sedimentation tank of

20\mathrm{m} \times 5\mathrm{m} \times 3\mathrm{m}

receives a flow of

1200\mathrm{m}^3 /\mathrm{day}

continuously. The detention time of sedimentation tank will be... hours.

72Question bank

For the design of a storm sewer in a drainage area, if the time of concentration is 20 minutes then the duration of rainfall taken as:

10 min

20 min

30 min

40 min

73Question bank

Degree of saturation of a natural soil deposit having water content 15%, specific gravity 2.50 and void ratio 0.05, is:

50%

60%

75%

80%

74Question bank

If the straight sides of a triangular section of a lined canal with circular bottom of radius

D

, make an angle

\theta

with horizontal, the hydraulic mean depth is:

D/2

D/3

D/4

75Question bank

The spacing provided for shear reinforcement is given as:

S_v = \frac{A_{sv} \times 0.87 f_y}{0.4 b}

S_v = \frac{A_{sv} \times 0.91 f_y}{0.4 b}

S_v = \frac{A_{sv} \times 0.12 f_y}{0.4 b}

S_v = \frac{A_{sv} \times 0.23 f_y}{0.4 b}

76Question bank

Which of the following line is usually parallel to the plot boundaries and laid down in each case by the Authority, beyond which nothing can be constructed towards the site boundaries?

Property line

Building line

Plot line

Control line

77Question bank

If degree of a road curve is defined by assuming the standard length of an arc as 30 metres, the radius of 1° curve is equal to:

1719 m

1146 m

1046 m

1573 m