Civil Engineering Quiz 11

1 / 50

The correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by______?

TOD>BOD>COD

BOD>COD>TOD

COD>BOD>TOD

TOD>COD>BOD

2 / 50

4-61. Kinematic viscosity is equal to_______?

dynamicviscosity x density

1/dynamicviscosity x density

density/dynamic viscosity

dynamic viscosity/density

3 / 50

The monthly demand for ice cans being manufactured by Mr. Camus is 3200 pieces. With a manual operated guillotine, the unit cutting cost is P25.00. An electrically operated hydraulic guillotine was offered to Mr. Camus at a price of P275,000.00 and which cuts by 30% the unit cutting cost. Disregarding the cost of money, how many months will Mr. Camus be able to recover the cost of the machine if he decides to buy now ?

12 months

13 months

11 months

10 months

4 / 50

The forces acting normally on the cross section of a bar shown in the given figure introduce_____________?

Tensile stress

None of these

Compressive stress

Shear stress

5 / 50

What is the type of annuity where the first payment does not begin until some later date in the cash flow ?

Annuity due

Deferred annuity

Perpetuity

Ordinary annuity

6 / 50

Camber in the road is provided for______?

none of the above

effective drainage

having proper sight distance

counteracting the centrifugal force

7 / 50

A projectile is fired at an angle 9 to the vertical. Its horizontal range will be maximum when 9 is________?

45?

60?

30?

8 / 50

The pH value of fresh sewage is usually _____________?

Less than 7

Equal to 7

Equal to zero

More than 7

9 / 50

The angle of contact in case of a liquid depends upon___________?

the nature of the liquid and the solid

any one of the above

the material which exists above the free surface of the liquid

both of die above

10 / 50

A short column (30 cm ? 20 cm) carries a load P 1 at 4 cm on one side and another load P2at 8 cm on the other side along a principal section parallel to longer dimension. If the extreme intensity on either side is same, the ratio of P1 to P2 will be________?

3-Feb

2-Mar

5-Aug

8-May

11 / 50

For calculating the allowable stress of long columns known as________?

Perry?s formula

Straight line formula

Rankine?s formula

Parabolic formula

12 / 50

Turbidity is measured on______?

platinum cobalt scale

standard platinum scale

standard silica scale

standard cobalt scale

13 / 50

The degree of indeterminacy of the frame in the given figure, is_____?

Zero

14 / 50

Pick up the correct statement from the following ________?

All

The screenings are disposed off either by burning or by burial or by dumping

The process of burning the screenings, is known as compositing

The materials separated by screens, is called screenings

15 / 50

In a gusseted base, when the end of the column is machined for complete bearing on the base plate, then the axial load is assumed to be transferred to base plate_________?

50% by direct bearing and 50% through fastenings

fully through fastenings

fully by direct bearing

75% by direct bearing and 25% through fastenings

16 / 50

For a simply supported beam of span 15m, the minimum effective depth to satisfy the vertical deflection limits should be_______?

750 mm

more than 1 m

600 mm

900 mm

17 / 50

avoidance of block instruments 4. higher operating cost Of these statements____________?

1 and 4 are correct

3 and 4 are correct

2 and 3 are correct

I and 2 are correct

18 / 50

The brick work is measured in sq metre, in case of________?

Half brick walls or the partition

All

Brick flat soling

Honey comb brick work

19 / 50

The difference between a level line and a horizontal line is that______?

horizontal line is normal to plumb line while level line may not be normal to the plumb line

level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line

level line is a curved line while hori-zontal line is a straight line

both are same

20 / 50

With usual notations the depth of the neutral axis of a balanced section, is given by_____?

t/mc = (d ? n)/n

mc/t = (d ? n)/n

mc/t = n/ (d ? n)

t/mc = (d + n)/n

21 / 50

The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm2, safe shear stress 5 kg/cm2 and B.M. 24 mt_______?

Is unsafe in shear

Needs redesigning

Is safe in shear

Is over safe in shear

22 / 50

Select the correct statement______?

A contour is not necessarily a closed curve

Two contours of different elevations do not cross each other except in case of an overhanging cliff

All of the above statements are correct

A contour represents a ridge line if the concave side of lower value con?tour lies towards the higher value contour

23 / 50

The number of independent displacement components at each joint of a rigid-jointed space frame is______?

24 / 50

As per IS : 1172-1963, water required per head per day for average domestic purposes, is______?

85 litres

65 litres

135 litres

50 litres

25 / 50

Which of the following types of falls use parabolic glacis for energy dissipation ?

glacis fall

inglis fall

vertical drop fall

Montague type fall

26 / 50

What is the type of annuity where the payments are made at the beginning of the each period starting from the first period ?

Ordinary annuity

Deferred annuity

Perpetuity

Annuity due

27 / 50

Dissolved oxygen in streams is_____?

same throughout the day

maximum at noon

maximum at midnight

minimum at noon

28 / 50

For a ribbed slab_____?

Clear spacing between ribs shall not be greater than 4.5 cm

All

Overall depth of the slab shall not exceed four times the breadth of the rib

Width of the rib shall not be less than 7.5 cm

29 / 50

The property of fluid by virtue of which it offers resistance to shear is called___________?

viscosity

surface tension

cohesion

adhesion

30 / 50

The digested sludge from septic tanks, is removed after a maximum period of_________?

3.5 years

5 years

4 years

3 years

31 / 50

Which is true about partnership ?

It will be dissolved if one of the partners ceases to be connected with the partnership

It has a perpetual life

It can be handed down from one generation of partners to another

Its capitalization must be equal for each partner

32 / 50

What is defined as the reduction or fall of the value of an asset due to constant use and passage of time ?

Deflation

Depletion

Depreciation

Inflation

33 / 50

If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by________?

Chezy

Manning

Bazin

Kutter

34 / 50

The effective span of a simply supported slab, is______?

None of these

Clear span plus effective depth of the slab

Clear distance between the inner faces of the walls plus twice the thickness of the wall

Distance between the centres of the bearings

35 / 50

Effective stress on soil_____________?

decreases voids ratio and increases permeability

increases both voids ratio and permeability

increases voids ratio and decreases permeability

decreases both voids ratio and permeability

36 / 50

If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to_________?

Tv + Tc

xv ? TC

37 / 50

As compared to ordinary portland cement, high alumina cement has_____?

lower initial and final setting times

higher initial and final setting times

lower initial setting time but higher final setting time

higher initial setting time but lower final setting time

38 / 50

If the expected time for completion of a project is 10 days with a standard deviation of 2 days, the expected time of completion of the project with 99.9% probability is_______?

4 days

10 days

16 days

6 days

39 / 50

A balloon lifting in air follows the following principle________?

Archimedes principle

principle of buoyancy

law of gravitation

all of the above

40 / 50

A land is known as waterlogged________?

none of the above

capillary fringe reaches the root zone of plants

when the permanent wilting point is reached

when gravity drainage has ceased

41 / 50

Disinfection of drinking water, is done to remove________?

turbidity

odour

colour

bacterias

42 / 50

Fluid is a substance that______?

has the same shear stress.at a point regardless of its motion

cannot be subjected to shear forces

cannot remain at rest under action of any shear force

always expands until it fills any container

43 / 50

For manometer, a better liquid combination is one having_____?

surface tension is no criterion

high density and viscosity

higher surface tension

lower surface tension

44 / 50

Which of the following methods is most accurate for the determination of the water content of soil ?

sand bath method

oven drying method

calcium carbide method

pycnometer method

45 / 50

Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its______________?

Six ground stations

Three ground stations

Five ground stations

Four ground stations

46 / 50

The thickness of base slab of a retaining wall generally provided, is_____________?

Width of the stem at the bottom

One half of the width of the stem at the bottom

One fourth of the width of the steam at the bottom

One -third of the width of the stem at the bottom

47 / 50

General energy equation holds for________?

non-uniform flow

turbulent flow

laminar flow

steady flow

48 / 50

The constraints in case of resource smoothening operation would be______?

project duration time

both resources and project duration time

none of the above

resources

49 / 50

A?level line?is a_____?

line passing through the center of cross hairs and the center of eye piece

horizontal line

line passing through the objective lens and the eye-piece of a dumpy or tilting level

line parallel to the mean spheriodal surface of earth

50 / 50

A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is____________?

8TC

6 7i

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