A. 100 mm**B. 150 mm**

C. 200 mm

D. 175 mm

# Civil Engineering MCQs

## The damp proof course (D.P.C.) is measured in________________?

A. Cub. m**B. Sq. m**

C. Metres

D. None of these

## The excavation exceeding 1.5 m in width and 10 sq.m in plan area with a depth not exceeding 30 cm, is termed as_______________?

A. Excavation

B. Surface dressing

C. Cutting**D. Surface excavation**

## The expected out turn for earth work in excavation in ordinary soil per workman per day is_______________?

A. 1.00 cum

B. 2.00 cum**C. 3.00 cum**

D. 4.00 cum

## The expected out turn of brick work in cement mortar in foundation and plinth per mason per day, is ________________?

A. 1.00 m3**B. 1.25 m3**

C. 1.50 m3

D. 1.75 m3

## The expected out turn of 2.5 cm cement concrete floor per mansion per day__________________?

A. 2.5 sqm

B. 5.0 sqm**C. 7.5 sqm**

D. 10 sqm

## The expected out turn of 12 mm plastering with cement mortar is_______________?

A. 2.5 sq m

B. 4.0 sq m

C. 6.0 sq m**D. 8.0 sq m**

## The cross -sections for a highway is taken at_________________?

A. Right angle to the centre line

B. 30 metres apart

C. Intermediate points having abrupt change in gradient**D. All the above**

## The cross -section of a road partly in banking and partly in cutting is shown in the given figure. The area of the shaded portion is__________________?

**A. b – rd)²/(r – s)**

B. b – rd)²/(r + s)

C. ½ × (b + rd)²/(r – s)

D. b – rd)²/(s – r)

## The brick work is measured in sq metre, in case of_________________?

A. Honey comb brick work

B. Brick flat soling

C. Half brick walls or the partition**D. All the above**

## The assumption on which the trapezoidal formula for volumes is based, is________________?

A. The end sections are parallel planes

B. The mid-area of a pyramid is half the average area of the ends

C. The volume of the Prismoidal is over-estimated and hence a Prismoidal correction is applied**D. All the above**

## The brick work is not measured in cu m in case of_______________?

A. One or more than one brick wall

B. Brick work in arches

C. Reinforced brick work**D. Half brick wall**

## The ‘centre line method’ is specially adopted for estimating_________________?

A. Circular buildings

B. Hexagonal buildings

C. Octagonal buildings**D. All the above**

## The cost of the earthwork in excavation for the surface drain of cross-section shown in the given figure for a total length of 5 metres @ Rs. 450% cum, is_______________?

A. Rs. 400

B. Rs. 425**C. Rs. 450**

D. Rs. 500

## The correct Prismoidal formula for volume is________________?

A. D [first area + last area + Even area + 2 odd areas]**B. D/3 [first area + last area + 4 Even area + 2 odd areas]**

C. D/3 [first area + last area + 2 Even area + 4 odd areas] D. D/6 [first area + odd areas]

## The concrete work for the following part of the building of specified thickness is measured in square metres_______________?

A. Root slabs

B. Floors

C. Wall panels**D. All the above**

## The expected out turn of cement concrete 1 : 2 : 4 per mason per day is_________________?

A. 1.5 m 3

B. 2.5 m3

C. 3.5 m3**D. 5.0 m3**

## The expected out turn of half brick partition wall per mason per day is___________________?

A. 1.5 m 3**B. 2.0 m3**

C. 4.0 m2

D. 5.0 m2

## The minimum width of a septic tank is taken__________________?

A. 70 cm**B. 75 cm**

C. 80 cm

D. 90 cm

## The measurement is not made in square metres in case of________________?

A. D.P.C. (Damp proof course)

B. Form works

C. Concrete Jeffries**D. R.C. Chhajja**

## The most reliable estimate is_________________?

**A. Detailed estimate**

B. Preliminary estimate

C. Plinth area estimate

D. Cube rate estimate

## The order of booking dimensions is________________?

**A. Length, breadth, height**

B. Breadth, length, height

C. Height, breadth, length

D. None of these

## The rate of payment is made for 100 cu m (per % cu m) in case of__________________?

A. Earth work in excavation

B. Rock cutting

C. Excavation in trenches for foundation**D. All the above**

## The rate of an item of work depends on_________________?

A. Specifications of works

B. Specifications of materials

C. Proportion of mortar**D. All the above**

## The plinth area of a building not includes_________________?

A. Area of the walls at the floor level

B. Internal shaft for sanitary installations up to 2 sq m. in area

C. Lift and wall including landing**D. Area of cantilevered porch**

## The measurement is made in square metre in case of_________________?

A. Cement concrete in foundation

B. R.C.C. structure

C. Hollow concrete block wall**D. None of these**

## The measurement is made for stone work in square metre in case of________________?

A. Wall facing

B. Columns, lintels, copings

C. Building work**D. A. and D. of the above**

## The ground surface slopes 1 in 50 along a proposed railway embankment 150 m in length. The height of the embankment at zero chainage is 0.5 m, the width is 11 m and side slopes 2:1. If the falling gradient of the embankment is 1 in 150, the quantity of the earthwork calculated by Prismoidal formula, is____________________?

A. 3250 m3**B. 3225 m3**

C. 3275 m3

D. 3300 m3

## The following item of earth work is not measured separately ?

A. Setting out of works

B. Site clearance

C. Steps in deep excavation**D. All the above**

## The floor area includes the area of the balcony up to_________________?

A. 100 %

B. 75 %**C. 50 %**

D. 25 %

## The height of the sink of wash basin above floor level is kept____________________?

A. 60 cm

B. 70 cm**C. 75 cm to 80 cm**

D. 80 cm

## The inspection pit or chamber is a manhole provided in a base drainage system________________?

A. At every change of direction

B. At every change of gradient

C. At every 30 m intervals**D. All the above**

## The main factor to be considered while preparing a detailed estimate, is________________?

A. Quantity of the materials

B. Availability of materials

C. Transportation of materials**D. All the above**

## The item of the brick structure measured in sq.m, is___________________?

A. Reinforced brick work**B. Broken glass coping**

C. Brick edging

D. Brick work in arches

## The item of steel work which is measured in sq.m, is_________________?

A. Collapsible gates

B. Rolling shutters

C. Ventilators and glazing**D. All the above**

## The area of the cross-section of a road fully in banking shown in the given figure, is________________?

**A. [sb² + r² (2bd + sd)²]/(r² – s²)**

B. [sb² + r² (2bd + sd)²]/(r² – s5)

C. [sb² + r² (2bd + sd)²]/(r – s)

D. None of these

## The area is measured correct to the nearest___________________?

**A. 0.01 sqm**

B. 0.02 sqm

C. 0.03 sqm

D. 0.04 sqm

## Anti-siphonage pipe is connected to__________________?

A. Main soil pipe

B. Bottom of P trap W.C.**C. Top of P trap W.C.**

D. Side of water closet

## A cement concrete road is 1000 m long, 8 m wide and 15 cm thick over the sub-base of 10 cm thick gravel. The box cutting in road crust is__________________?

A. 500 m3

B. 1000 m 3**C. 1500 m3**

D. 2000 m3

## As per Indian Standard Specifications, the peak discharge for domestic purposes per capita per minute, is taken________________?

A. 1.80 litres for 5 to 10 users

B. 1.20 litres for 15 users

C. 1.35 for 20 users**D. All the above**

## Carpet area does not include the area of_________________?

A. The walls along with doors and other openings

B. Bath room and lavatory

C. Kitchen and pantry**D. All the above**

## Brick walls are measured in sq. m if the thickness of the wall is_________________?

**A. 10 cm**

B. 15 cm

C. 20 cm

D. None of these

## Berms are provided in canals if these are__________________?

A. Fully in excavation**B. Partly in excavation and partly in embankment**

C. Fully in embankment

D. All the above

## According to ISI method of measurement, the order of the sequence is_________________?

**A. Length, breadth, height**

B. Breadth, length, height

C. Height, length, breadth

D. None of these

## According to Indian Standards Institute, the actual size of modular bricks is_______________?

A. 23 cm × 11.5 cm × 7.5 cm

B. 25 cm × 13 cm × 7.5 cm**C. 19 cm × 9 cm × 9 cm**D. 20 cm × 10 cm × 10 cm

## Which of the following methods of analysis of water distribution system is most suitable for long and narrow pipe system ?

A. circle method**B. equivalent pipe method**

C. Hardy cross method

D. electrical analysis method

## Which of the following is not a water borne disease ?

A. dysentery

B. cholera

C. typhoid**D. maleria**

## Which of the following compounds is widely used for algae control ?

A. sodium sulphate**B. copper sulphate**

C. sodium chloride

D. calcium chloride

## Which of the following retards the self purification of stream ?

A. higher temperature

B. sunlight

C. satisfying oxygen demand**D. none of the above**

## Which of the following sewers is preferred for combined system of sewage ?

A. circular sewer**B. egg shaped sewer**

C. rectangular sewer

D. none of the above

## Which of the following values of pH represents a stronger acid?

**A. 2**

B. 5

C. 7

D. 10

## Which of the following unit works in anaerobic conditions ?

**A. sludge digestion tank**

B. sedimentation tank

C. activated sludge treatment

D. trickling filters

## Cost of fittings and their fixing is specified for the following sanitary fittings________________?

A. Water closets

B. Flushing pipes

C. Lavatory basins**D. All the above**

## Due to change in price level, a revised estimate is prepared if the sanctioned estimate exceeds_________________?

A. 2.0 %

B. 2.5 %

C. 4.0 %**D. 5.0 % **

## Pick up the excavation where measurements are made in square metres for payment ?

A. Ordinary cuttings up to 1 m

B. Surface dressing up to 15 cm depths

C. Surface excavation up to 30 cm depths**D. Both B. and C.**

## Pick up the correct statement regarding the centre line method of estimating a building?

A. Product of the centre line of the walls and area of cross-section of any item, gives total quantity of the item

B. The centre line is worked out separately for different sections of walls of a building

C. The centre line length is reduced by half the layer of main wall joining the partition wall**D. All the above**

## Pick up the incorrect statement regarding a master trap from the following ?

A. It is provided in between the lower end of the house drain and the street sewer

B. It is provided a cleaning eye at the top of the trap

C. The mica flap valve which opens inwards only, is fitted at the top of the inlet pipe**D. The water seal is less than that of ordinary traps**

## Pick up the item of work not included in the plinth area estimate______________?

A. Wall thickness

B. Room area

C. W.C. area**D. Courtyard area**

## Size, capacity and materials need be specified for__________________?

A. Bib-cocks

B. Stop-cocks

C. Ball valves**D. All the above**

## S: 1 and length is______________?

A. d × d × s

B. d2 × ( ds)2]**C. L.D 1 + s2)**

D. 2 L.D 1 + s 2)

## Pick up the item whose weight is added to the weight of respective item, is________________?

A. Cleats

B. Brackets

C. Bolts**D. All the above**

## Pick up the correct statement from the following?

A. The incidental expenses of a miscellaneous character which could not be predicted during preparation of the estimate, is called contingencies

B. Additional supervising staff engaged at work site, is called work charged establishment

C. Detailed specifications specify qualities, quantities and the proportions of materials to be used for a particular item**D. All the above**

## period in a septic tank is assumed___________________?

The detention

A. 20 minutes

B. 25 minutes**C. 30 minutes**

D. 40 minutes

## For the construction of buildings, the subheads of the estimate are________________?

A. Earthwork, Concrete work, Brick work

B. Brickwork, Stone work, Roofing

C. Brickwork Flooring, Wood work, Steel work**D. All the above**

## For 12 mm thick cement plastering 1 : 6 on 100 sq.m new brick work, the quantity of cement required, is___________________?

A. 0.200 m3

B. 0.247 m3**C. 0.274 m3**

D. 0.295 m3

## For 100 sq. m cement concrete (1 : 2: 4) 4 cm thick floor, the quantity of cement required, is_______________?

A. 0.90 m3**B. 0.94 m3**

C. 0.98 m3

D. 1.00 m3

## If B is the width of formation, d is the height of the embankment, side slope S : 1, for a highway with no transverse slope, the area of cross-section is___________________?

A. B + d + Sd**B. Bd + Sd2**

C. B × d – Sd1/2

D. ½ (Bd + Sd2)

## If the formation level of a highway has a uniform gradient for a particular length, and the ground is also having a longitudinal slope, the earthwork may be calculated by_______________?

A. Mid-section formula

B. Trapezoidal formula

C. Prismoidal formula**D. All the above**

## In the mid-section formula__________________?

A. The mean depth is the average of depths of two consecutive sections

B. The area of mid-sections is calculated by using mean depth

C. The volume of the earth work is calculated by multiplying the mid-section area by the distance between the two original sections**D. All of the above**

## In long and short wall method of estimation, the length of long wall is the centre to centre distance between the walls and_________________?

A. Breadth of the wall**B. Half breadth of wall on each side**

C. One fourth breadth of wall on each side

D. None of these

## In case of laying gullies, siphons, intercepting traps, the cost includes_______________?

A. Setting and laying

B. Bed concreting

C. Connection to drains**D. All of these**

## The reduced levels of points, 30 metres apart along the longitudinal section of a road portion between chainages 5 and 9 are shown in the given figure. If there is a uniform up-gradient of the road 120 in 1, the chainage of the point with no filling or cutting is__________________?

A. (6 + 15) chains**B. (6 + 12) chains**

C. (6 + 18) chains

D. None of these

## The slope of the outlet of ‘P trap’ below the horizontal is kept________________?

A. 8°

B. 10°

C. 12°**D. 14°**

## Newton’s law of viscosity relates________________?

A. intensity of pressure and rate of angular deformation**B. shear stress and rate of angular deformation**

C. shear stress, viscosity and temperature

D. viscosity and rate of angular deformation

## Metacentric height for small values of angle of heel is the distance between the________________?

A. centre of gravity and centre of buoy-ancy**B. centre of gravity and metacentre**

C. centre of buoyancy and metacentre

D. free surface and centre of buoyancy

## Pascal-second is the unit of______________?

A. pressure

B. kinematic viscosity**C. dynamic viscosity**

D. surface tension

## Separation of flow occurs when_________________?

A. the pressure intensity reaches a minimum

B. the cross-section of a channel is reduced**C. the boundary layer comes to rest**

D. all of the above

## Stream lines and path lines always coincide in case of__________________?

**A. steady flow**

B. laminar flow

C. uniform flow

D. turbulent flow

## Stanton diagram is a______________?

**A. log-log plot of friction factor against Reynolds number**

B. log-log plot of relative roughness against Reynolds number

C. semi-log plot of friction factor against Reynolds number

D. semi-log plot of friction factor against relative roughness

## Size of a venturimeter is specified by________________?

**A. pipe diameter**

B. throat diameter

C. angle of diverging section

D. both pipe diameter as well as throat diameter

## Least possible value of correction factor for________________?

**1. kinetic energy is zero 2. kinetic energy is 1 3. momentum is zero 4. momentum is 1**

## In which of the following the friction drag is generally larger than pressure drag?

A. a circular disc or plate held normal to flow

B. a sphere

C. a cylinder**D. an airfoil**

## In a forced vortex motion, the velocity of flow is________________?

**A. directly proportional to its radial distance from axis of rotation**

B. inversely proportional to its radial distance from the axis of rotation

C. inversely proportional to the square of its radial distance from the axis of rotation

D. directly proportional to the square of its radial distance from the axis of rotation

## In a Sutro weir, the discharge is proportional to________________?

A. H1/2

B. H3/2

C. H5/2**D. H**

## In a two dimensional incompressible steady flow around an airfoil, the stream lines are 2 cm apart at a great distance from the airfoil, where the velocity is 30 m/sec. The velocity near the airfoil, where the stream lines are 1.5 cm apart, is_________________?

A. 22.5 m/sec

B. 33 m/sec**C. 40 m/sec**

D. 90 m/sec

## In steady flow of a fluid, the total accele ration of any fluid particle______________?

**A. can be zero**

B. is never zero

C. is always zero

D. is independent of coordinates

## In series-pipe problems_______________?

A. the head loss is same through each pipe**B. the discharge is same through each pipe**

C. a trial solution is not necessary

D. the discharge through each pipe is added to obtain total discharge

## In case of an airfoil, the separation of flow occurs________________?

**A. at the extreme rear of body**

B. at the extreme front of body

C. midway between rear and front of body

D. any where between rear and front of body depending upon Reynolds number

## Surge wave in a rectangular channel is an example of_________________?

**1. steady flow 2. unsteady flow 3. uniform flow 4. non-uniform flow**

The correct answer is?

## The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is__________________?

A. 0.40 cm**B. 0.20 cm**

C. 0.10 cm

D. 0.05 cm

## The horizontal component of force on a curved surface is equal to the_______________?

A. product of pressure intensity at its centroid and area**B. force on a vertical projection of the curved surface**

C. weight of liquid vertically above the curved surface

D. force on the horizontal projection of the curved surface

## The hydraulic grade line is_________________?

A. always above the centre line of pipe**B. never above the energy grade line**

C. always sloping downward in the direction of flow

D. all of the above

## The increase in meta centric height_________________?

**1. increases stability 2. decreases stability 3. increases comfort for passengers 4. decreases comfort for passengers**

The correct answer is?

## The major loss of energy in long pipes is due to_______________?

A. sudden enlargement

B. sudden contraction

C. gradual contraction or enlargement**D. friction**

## The losses are more in_________________?

A. laminar flow

B. transition flow**C. turbulent flow**

D. critical flow