Railway Engineering - Civil Engineering Questions and Answers

1. The rail is designated by its
a)    length
b)    weight
c)    cross-section
d)    weight per unit length

Ans: d

2. Two important constituents in the com-position of steel used for rail are
a)    carbon and silicon
b)    manganese and phosphorous
c)    carbon and manganese
d)    carbon and sulfur

Ans: c

3. The standard length of rail for Broad Gauge and Meter Gauge are respectively
a)    12 m and 12 m
b)    12 m and 13 m
c)    13 m and 12 m
d)    13 m and 13 m
Ans: c

4. The  following tests  are  conducted  for rails:
i)    falling weight test
ii)   tensile test
iii) hammer test
The compulsory tests are
a)    only (i)
b)    (i)and(ii)
c)    (ii) and (iii)
d)    (i) and (iii)
Ans: b

5. Largest dimension of a rail is its
a)    height
b)    foot width
c)    head width
d)    any of the above
Ans: a

6.    Largest percentage of material in the rail is in its
a)    head
b)    web
c)    foot
d)    head and foot both
Ans: a

7.    The purpose of providing fillet in a rail section is to
a)    increase the lateral strength
b)    increase the vertical stiffness
c)    avoid the stress concentration
d)    reduce the wear
Ans: c

8.    The cross-sectional area of 52 kg flat footed rail is
a)    6155 mm2
b)    6615 mm2
c)    7235 mm2
d)    7825 mm2
Ans: b

9.    52 kg rails are mostly used in
a)    Broad Gauge
b)    Meter Gauge
c)    Narrow Gauge
d)    both (a) and (b)
Ans: a

10.    Tensile strength of steel used  in rails should not be less than
a)    450 MPa
b)    500 MPa
c)    700 MPa
d)    850 MPa
Ans: c

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Highway Engineering Multiple Choice Questions and Answers

1. Nagpur road plan formula were prepared by assuming
a)    rectangular or block road pattern
b)    radial or star and block road pattern
c)    radial or star and circular road pattern
d)    radial or star and grid road pattern

Ans: d

2. Select the correct statement.
a)    Nagpur road plan formula take into account the towns with very large population.
b)    Nagpur road plan has a target road length of 32 km per 100 square km.
c)    Second 20-year plan has provided 1600 km of expressways out of the proposed National highway.
d)    Second 20-year plan allowed deduction of length of railway track in the area while calculating the length of roads.

Ans: c

3. The sequence of four stages of survey in a highway alignment is
a)    reconnaissance, map study, preliminary survey and detailed survey
b)    map study, preliminary survey, reconnaissance and detailed survey
c)    map study, reconnaissance, preliminary survey and detailed survey
d)    preliminary survey, map study, reconnaissance and detailed survey
Ans: c

4. The shape of the camber, best suited for cement concrete pavements, is
a)    straight line
b)    parabolic
c)    elliptical
d)    combination of straight and parabolic
Ans: a

5. For water bound macadam roads in localities of heavy rainfall, the recommended value of camber is
a)    1 in 30
b)    1 in 36
c)    1 in 48
d)    1 in 60
Ans: b

6. The stopping sight distance depends upon
a)    total reaction time of driver
b)    speed of vehicle
c)    efficiency of brakes
d)    all of the above
Ans: d

7. When the path travelled along the road surface is more than the circumferential movement of the wheels due to rotation, then it results in
a)    slipping
b)    skidding
c)    turning
d)    revolving
Ans: b

8. Coefficient of friction is less when the pavement surface is
a)    rough
b)    dry
c)    smooth and dry
d)    smooth and wet
Ans: d

9. The shoulder provided along the road edge should be
a)    rougher than the traffic lanes
b)    smoother than the traffic lanes
c)    of same colour as that of the pavement
d)    of very low load bearing capacity
Ans: a

10.    Camber in the road is provided for
a)    effective drainage
b)    counteracting the centrifugal force
c)    having proper sight distance
d)    none of the above
Ans: a

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Civil Engineering Quiz questions and answers Download free pdf

1.    Fluid Mechanics       
2.    Surveying       
3.    Irrigation, Water Resources Engineering and Hydrology       
4.    Highway Engineering       
5.    Railway Engineering       
6.    Environmental Engineering       
7.    Construction Planning and Management       
8.    Soil Mechanics and Foundation Engineering       
9.    Building Materials and Construction       
10.    Strength of Materials       
11.    Applied Mechanics and Graphic Statics       
12.    Structural Analysis       
13.    Design of Steel Structures   
14.    Concrete Technology and Design of Concrete Structures       
15.    Airport Engineering       
16.    Design of Masonry Structures       
17.    Dock and Harbor Engineering       
18.    Tunnel Engineering

irrigation water resources engineering and hydrology questions and answers

1. Which of the following methods of applying water may be used on rolling land ?
a)    boarder flooding
b)    check flooding
c)    furrow flooding
d)    free flooding

Ans: a

2. The value of Sodium Absorption Ratio for high sodium water lies between
a)    0 to 10
b)    10 to 18
c)    18 to 26
d)    26 to 34

Ans: c

3. Optimum depth of kor watering for rice is
a)    135 mm
b)    165 mm
c)    190 mm
d)    215 mm
Ans: c

4. Irrigation water having the concentration of Na++ , Ca++ and Mg++ as 20, 3 and 1 Milli equivalent per litre respectively will be classified as
a)    low sodium water
b)    medium sodium water
c)    high sodium water
d)    very high sodium water
Ans: b

5.    The duty is largest
a)    at the head of water course
b)    on the field
c)    at the head of a main canal
d)    same at all places
Ans: b

6.    The "outlet discharge factor" is the duty at the head of
a)    main canal
b)    branch canal
c)    watercourse
d)    distributory
 Ans: c

7.    The kor depth for rice is 190 mm and kor period is 14 days. The outlet factor for this will be
a)    637 hectares/m3/sec
b)    837 hectares/m3/sec
c)    972 hectares/m3/sec
d)    1172 hectares/m3/sec
Ans: a

8.    For supplying water to rabi crop, kharif crop and sugarcane, the channel is designed for a capacity equal to the greater of the water requirement of
a)    rabi or kharif
b)    rabi and kharif or sugarcane
c)    rabi   and  sugarcane  or  kharif and sugarcane
d)    rabi or kharif or sugarcane
Ans: c

9.    The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as
a)    water conveyance efficiency
b)    water application efficiency
c)    water use efficiency
d)    none of the above
Ans: b

10.    The water utilizable by plants is available in soils mainly in the form of
a)    gravity water
b)    capillary water
c)    hydroscopic water
d)    chemical water
Ans: b

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Civil Engineering - Surveying Multiple Choice Questions and Answers

1.   During chaining along a straight line, the . leader of the party has 4 arrows in his hand while the follower has 6. Distance of the follower from the starting point is
a)    4 chains
b)    6 chains
c)    120 m
d)    180m

Ans: b

2.    A metallic tape is made of
a)    steel
b)    invar
c)    linen
d)    cloth and wires

Ans: d

3.    For a well-conditioned triangle, no angle should be less than
a)    20°
b)    30°
c)    45°
d)    60°

Ans: b

4.    The angle of intersection of the two plane mirrors of an optical square is
a)    30°
b)    45°
c)    60°
d)    90°

Ans: b

5.    The allowable length of an offset depends upon the
a)    degree of accuracy required
b)    method of setting out the perpendiculars and nature of ground
c)    scale of plotting
d)    all of the above

Ans: d

6.    Which of the following angles can be set out with the help of French cross staff?
a)    45° only
b)    90° only
c)    either 45° or 90°
d)    any angle

Ans: c

7.    Which of the following methods of offsets involves less measurement on the ground?
a)    method of perpendicular offsets
b)    method of oblique offsets
c)    method of ties
d)    all involve equal measurement on the ground

Ans: a

8.    The permissible error in chaining for measurement with chain on rough or hilly ground is
a)    1 in 100
b)    1 in 250
c)    1 in 500
d)    1 in 1000

Ans: b

9.    The correction for sag is
a)    always additive
b)    always subtractive
c)    always zero
d)    sometimes additive and sometimes subtractive

Ans: b

10.    Cross staff is an instrument used for
a)    measuring approximate horizontal angles
b)    setting out right angles
c)    measuring bearings of the lines
d)    none of the above
 Ans: b

11.    Normal tension is that pull which
a)    is used at the time of standardising the tape
b)    neutralizes the effect due to pull and sag
c)    makes the correction due to sag equal to zero
d)    makes the correction due to pull equal to zero
Ans: b

12.    Which of the following is not used in measuring perpendicular offsets ?
a)    line ranger
b)    steel tape
c)    optical square
d)    cross staff
Ans: a

13.    If the length of a chain is found to be short on testing, it can be adjusted by
a)    straightening the links
b)    removing one or more small circular rings
c)    closing the joints of the rings if opened out
d)    all of the above
Ans: a

14.    The maximum tolerance in a 20 m chain is
a)    ±2 mm
b)    ±3 mm
c)    ±5 mm
d)    ±8 mm
Ans: c

15.    For accurate work, the steel band should always be used in preference to chain because the steel band
a)    is lighter than chain
b)    is easier to handle
c)    is practically inextensible and is not liable to kinks when in use
d)    can be easily repaired in the field
Ans: c

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Fluid Mechanics Problems Quiz multiple choice questions download free

1.    Pascal-second is the unit of
a)    pressure
b)    kinematic viscosity
c)    dynamic viscosity
d)    surface tension

Ans: c

2.    An ideal fluid is
a)    one which obeys Newton's law of viscosity
b)    frictionless and incompressible
c)    very viscous
d)    frictionless and compressible

Ans: b

3.    The unit of kinematic viscosity is
a)    gm/cm-sec2
b)    dyne-sec/cm2
c)    gm/cm2-sec
d)    cm2/sec

Ans: d

4. If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is
a)    0.25
b)    0.50
c)    1.0
d)    none of the above

Ans: c

5.     The viscosity of a gas
a)    decreases with increase in temperature
b)    increases with increase in temperature
c)    is independent of temperature
d)    is independent of pressure for very high pressure intensities

Ans: b

6.       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

Ans: b

7.    An open tank contains 1 m deep water with 50 cm depth of oil of specific gravity 0.8 above it. The intensity of pressure at the bottom of tank will be
a)    4 kN/m2
b)    10 kN/m2
c)    12 kN/m2
d)    14 kN/m2

Ans: d

8.    The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is
a)    at the centroid of the submerged area
b)    always above the centroid of the area
c)    always below the centroid of the area
d)    none of the above

Ans: c

9.     The total pressure on a plane surface inclined at an angle 9 with the horizontal is equal to
a)    PA
b)    pA sin 9
c)    pA cos 9
d)    pA tan 9
where p is pressure intensity at centroid of area and A is area of plane surface.

Ans: a

10. A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of
a)    3.75 m
b)    4.0 m
c)    4.2m
d)    4.5m

Ans: c

11.    Centre of buoyancy always
a)    coincides with the centre of gravity
b)    coincides with the centroid of the volume of fluid displaced
c)    remains above the centre of gravity
d)    remains below the centre of gravity

Ans: b

12.    If the weight of a body immersed in a fluid exceeds the buoyant force, then the body will
a)    rise until its weight equals the buoyant force
b)    tend to move downward and it may finally sink
c)    float
d)    none of the above

Ans: b

13.    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

Ans: b

14. A floating body is said to be in a state of stable equilibrium
a)    when its metacentric height is zero
b)    when the metacentre is above the centre of gravity
c)    when the metacentre is below the centre of gravity
d)    only when its centre of gravity is below its centre of buoyancy

Ans: b

15.   The increase in meta centric height
i)    increases stability
ii)   decreases stability
iii) increases comfort for passengers
iv) decreases comfort for passengers
The correct answer is
a)    (i) and (iii)
b)    (i)and(iv)
c)    (ii) and (iii)
d)    (ii) and (iv)

Ans: b

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Mechanical Engineering Multiple Choice Questions and Answers for competative exams and Answers for freshers pdf free download for campus

Thermodynamics
I.C. Engines
Nuclear Power Plants
Steam Boilers, Engines, Nozzles and Turbines
Compressors, Gas Turbines and Jet Engines
Heat Transfer
Refrigeration and Air Conditioning
Hydraulic & Hydraulic and Fluid Machines
Engineering Mechanics
Strength of Materials
Theory of Machines
Machine Design
Engineering Materials
Production Technology
Production Management and Industrial Engineering
Engineering Methodology
Process Instrumentation and Control