Q.1

The shear force diagram of a beam is shown in the given figure. The absolute maximum bending moment in the beam is

  • (2P x a)
  • (5P x a)
  • (4P x a)
  • (7P x a)
Q.2

The given figure shows gradually varied flow in an open channel with a beak in bed slope. Types of water surface profiles occurring from left to right are

  • H2 , S3
  • H2 , S2
  • H2 , M2
  • H3 , M2
Q.3

The defect which develops due to uncontrolled and non-uniform loss of moisture from wood is known as which one of the following ?

  • Kont
  • Shake
  • Warping
  • Cross grain
Q.4

Consider the following statements in respect of the critical depth of flow in a prismatical rectangular channel:
For known specific emergy, discharge is minimum.
For known discharge, the specific energy is minimum.
Which of the statements given above is/are correct ?

  • 1 only
  • 2 only
  • Both 1 and 2
  • neither 1 nor 2
Q.5

If the line of sight between two stations A and B, on sea, andkm apart, makes tangent at point A, then the minimum elevation of the signal required at B (considering the coefficient of refraction "m" = 0.and the mean radius of earth askm) will be

  • 42 m
  • 210 m
  • 420 m
  • 840 m
Q.6

A fixed beam of unifrom section is carrying a point load at its mid-span. If the moment of inertia of the middle half length is now reduced to half its previous value, then the fixed end moments will

  • Increase
  • decrease
  • remain constant
  • change their directions
Q.7

What is the recommended grade of tar for grouting purpose ?

  • RT - 1
  • RT - 2
  • RT - 3
  • RT - 5
Q.8

Vibratory rollers are more useful for compacting which of the following ?

  • Sandy soils
  • Silty soils
  • Clayer soils
  • Mixed soils
Q.9

Consider the following steps :
Driving sheet piles surrounding a vibration-receiving structure.
Digging a trench around a source of vibration.
Placing rubber mountings between a machine causing vibration and its base. Active isolation of vibration can be achieved by

  • 1 and 2
  • 1 and 3
  • 2 and 3
  • 3 alone
Q.10

A simply supported beam of uniform cross-section is subjected to a maximum bending moment of 2.t.m. If it has rectangular cross-section with widthcm and depthcm, then the maximum bending stress induced in the beam will be

  • 50 kg/cm2
  • 100 kg/cm2
  • 150 kg/cm2
  • 225 kg/cm2
Q.11

The moisture content of a clayey soil is gradually decreased from a large value. What will be the correct sequence of the occurrence of the following limits ?
Shrinkage limit
Plastic limit
Liquid limit
Select the correct answer from the codes given below :

  • 1, 2, 3
  • 1, 3, 2
  • 3, 2, 1
  • 3, 1, 2
Q.12

Which of the following statements is/are true in relation to the term 'detention period' in a settling tank?
It may be determined by introducing a dye in the inlet and timing its appearance at the outlet.
Greater the detention period, greater the efficiency of removal of settleable matter.
It is the time taken for any unit of water to pass through the setting basin.
It is usually more than the flowthrough period.
Select the correct answer using the codes given below :

  • 1, 2, 3 and 4
  • 2, 3 and 4
  • 1 and 3
  • 4 alone
Q.13

Sewage sickness occurs when

  • Sewage contains pathogenic organisms
  • sewage enters the water supply system
  • sewers get clogged due to accumulation of solids
  • voids of soil get closed due to continuous application of sewage on a piece of land
Q.14

If a circular shaft is subjected to a torque T and a bending moment 'M' the ratio of the maximum shear stress to the maximum bending stress is given by :

  • 2M/T
  • T/2M
  • 2T/M
  • M/2T
Q.15

What does the wind Rose Diagram (WRD) for orientation of airport runway give ?

  • Direction of wind
  • Direction and duration of wind
  • Direction, duration and intensity of wind
  • None of the above
Q.16

What is the innermost portion of approach zone which is the most critical portion from obstruction viewpoint, called ?

  • Outer horizontal surface
  • Conical surface
  • Inner horizontal surface
  • Clear zone
Q.17

Two reservoirs at different surface elevations are connected by a set of two pipes A and B of same diameter and length in parallel. If the friction factor of A is 4 times that of the pipe B, what is the ratio of the discharge in A to that in B ?

  • 0.25
  • 4.0
  • 2.0
  • 0.5
Q.18

Consider the following statements regarding underreamed piles :
They are used in expansive soils.
They are of perkcast reinforced concrete.
The ratio of bulb to shaft diameters is usually 2 to 3.
Minimum spacing between the piles should not be less than 1.5 times the bulb diameter.
of these statements :

  • 1, 2 and 3 are correct
  • 1, 3 and 4 are correct
  • 2, 3 and 4 are correct
  • 1, 2 and 4 are correct
Q.19

For the movement of vehicles at an intersection of two roads without any interference, which type of grade separation is generally preferred ?

  • Delta
  • Diamond
  • Trumpet
  • Cloverleaf
Q.20

If a soil sample of weight 0.kg having a volume of 10-4 m3 and dry unit wt. ofkg/m3 is mixed with 0.kg of water then the water content in the sample will be

  • 30%
  • 25%
  • 20%
  • 15%
Q.21

A steel cable of 2 cm diameter is used to lift a load ofkg. Given that, E = 2 xkg/cm2 and the length of the cable ism, the elongation of the cable due to the load will be

  • 0.5 cm
  • 0.25
  • 1 cm
  • 1/π cm
Q.22

Which one of the following statements is not correct ?

  • Models are always smaller than the prototypes.
  • Dynamic similarity between a model and a prototype can be verified by equating Reynold's number in a viscous flow.
  • Mach number achieves significance when the velocity of fluid approaches or exceeds the sonic velocity.
  • Distorted models are always exaggerated on a vertical scale.
Q.23

A circular platemm diameter is welded to another plate by means of 6 mm fillet weld. If the permissible shearing stress in the weld equalskg/mm2, then the greatest twisting moment that can be resisted by the weld will be

  • 424 π kg.m
  • 300 π kg.m
  • 212 π kg.m
  • 60 π kg.m
Q.24

Which of the following should be employed to provide lateral support to the beams ?
Bracing of compression flanges.
Shear connectors.
Bracing of tension flanges
Embedding compression flanges into R.C.C. slab.
Select the correct answer using the codes given below :

  • 1 only
  • 1 and 4
  • 2 and 3
  • 1, 2 and 4
Q.25

What is efflorescence ?

  • Formation of white patches on the brick surface due to insoluble salts in the brick clay
  • Swelling of brick due to presence of carbonaceous matter and gas
  • Deformation of brick due to exposure to rain
  • Impurities in the brick clay which show after burning
Q.26

Which one of the following stresses is independent of yield stress as a permissible stress for steel members ?

  • Axial tensile stress
  • Maximum shear stress
  • Bearing stress
  • Stress in slab base
Q.27

With 'n' variables and 'm' fundamental dimensions in a system, which one of the following statements relating to the application of the Buckingham's Pi Theorem is incorrect ?

  • With experience, pi terms can be written simply by inspection of variables in a flow system
  • Buckingham's pi theorem is not directly applicable in compressible flow problem
  • Buckingham's pi theorem yields dimensionless pi terms given by the difference between the number of variables and the number of fundamental dimensions
  • Buckingham's pi theorem reduces the number of variables by the number of fundamental dimensions involved.
Q.28

Consider the following statements regarding tensile test diagrams for carbon steel with varying carbon contents :
As the carbon content increases
the ultimate strength of steel decreases
the elongation before fracture increases
the ductility of the metal decreases
the ultimate strength increases.
Of these statements :

  • 3 and 4 are correct
  • 1 and 3 are correct
  • 1, 2 and 3 are correct
  • 1 and 2 are correct
Q.29

The construction of impounding reservoir is required when

  • average annual flow in the stream is lower than average demand
  • the rate of flow in the stream, in dry season in more than the demand
  • the rate of flow in the stream, in dry season is less than the demand
  • the rate of flow in the stream is equal to the demand
Q.30

Consider the following statements regarding a beam of uniform cross-section simply supported at its ends and carrying a concentrated load at one of its third points :
Its deflection under the load will be maximum.
The bending moment under the load will be maximum.
The deflection at the mid-point of the span will be maximum.
The slope at the nearer support will be maximum.
Of these statements :

  • 1 and 3 are correct
  • 2 and 4 are correct
  • 1 and 2 are correct
  • 3 and 4 are correct
Q.31

Permissible limit of cant deficiency for Broad Gauge (B.G.) is

  • 50 mm
  • 60 mm
  • 75 mm
  • 88 mm
Q.32

Two sources generate noise levels ofdB anddB respectively. The cumulative effect of these two noise levels on the human ear is

  • 184 dB
  • 95.5 dB
  • 94 dB
  • 92 dB
Q.33

Negative skin friction on a pile under vertical compressive load acts

  • downwards and increases the load carrying capacity of the pile
  • downwards and reduces the load carrying capacity of the pile
  • upwards and increases the load carrying capacity of the pile
  • downwards and maintains the same load carrying capacity of the pile
Q.34

The method of plane tabling commonly used for establishing the instrument station is a method of

  • radiation
  • intersection
  • resection
  • traversing
Q.35

Which one of the follewing represents a circumpolar star ?

  • Upper culmination above horizon, lower culmination below horizon
  • Both upper and lower culminations below horizon
  • Both upper and lower culminations above horizon
  • Altitude at upper culmination is minimum
Q.36

Which of the following should be employed to provide lateral support to the beams ?
Bracing of compression flanges.
Shear connectors.
Bracing of tension flanges
Embedding compression flanges into R.C.C. slab.
Select the correct answer using the codes given below :

  • 1 only
  • 1 and 4
  • 2 and 3
  • 1, 2 and 4
Q.37

Negative skin friction on a pile under vertical compressive load acts

  • downwards and increases the load carrying capacity of the pile
  • downwards and reduces the load carrying capacity of the pile
  • upwards and increases the load carrying capacity of the pile
  • downwards and maintains the same load carrying capacity of the pile
Q.38

The method of plane tabling commonly used for establishing the instrument station is a method of

  • radiation
  • intersection
  • resection
  • traversing
Q.39

A circular platemm diameter is welded to another plate by means of 6 mm fillet weld. If the permissible shearing stress in the weld equalskg/mm2, then the greatest twisting moment that can be resisted by the weld will be

  • 424 π kg.m
  • 300 π kg.m
  • 212 π kg.m
  • 60 π kg.m
Q.40

Which one of the follewing represents a circumpolar star ?

  • Upper culmination above horizon, lower culmination below horizon
  • Both upper and lower culminations below horizon
  • Both upper and lower culminations above horizon
  • Altitude at upper culmination is minimum
Q.41

Which one of the follewing represents a circumpolar star ?

  • Upper culmination above horizon, lower culmination below horizon
  • Both upper and lower culminations below horizon
  • Both upper and lower culminations above horizon
  • Altitude at upper culmination is minimum
Q.42

If an element is subjected to pure shearing stress τxy then the maximum principal stress is equal to

  • 2τxy
  • τxy/2
  • τxy
  • 1 - (τxy)2
Q.43

What is the correct sequence of the following events in rock tunnelling :
Marking tunnel profile
Loading explosive and blasting
Checking misfire
Muking
Removing foul gas
Setting up and drilling
Gunnisting
Select the correct answer using the codes given below :

  • 1, 6, 5, 3, 4, 2, 7
  • 1, 2, 6, 3, 5, 4, 7
  • 1, 6, 2, 5, 4, 3, 7
  • 1, 6, 2, 5, 3, 4, 7
Q.44

An imaginary line passing through the optical centre of the objective and the optical centre of the eye-piece in the telescope of a surveying instrument is called the

  • horizontal axis
  • line of collimation
  • optical axis of the telescope
  • reference axis
Q.45

At a certain point in a strained material, there are two mutually perpendicular stresses σx =N/mm2 (Tensile) and σx =N/mm2 (Compressive). [Notations : Tension (+); Compression (-) ]
What are the values of the principal stresses in N/mm2 at that point ?

  • 100, -50
  • -100, 50
  • 75, -25
  • -75, 25
Q.46

Why are weep holes provided at the back of retaining walls ?

  • To reduce the active earth pressure on the walls
  • To reduce the build - up of hydrostatic pressure
  • To provide better compaction
  • To increase the passive earth pressure
Q.47

The wall friction of the retaining wall:

  • decreases active earth pressure but increases passive earth pressure
  • decreases passive earth pressure but increases active earth pressure
  • decreases both active and passive earth pressures
  • increases both active and passive earth pressures
Q.48

Which of the following are the criteria associated with the design of sag vertical curve ?
Provision of minimum stopping distance during day time
Adequate drainage
Comfortable operation
Pleasant appearance
Select the correct answer using the codes given below:

  • 1, 2 and 4
  • 2 and 3
  • 2, 3 and 4
  • 1 and 3
Q.49

Consider the following statement :
Hydraulic gradient required to initiate "quick" condition is independent of the ratio of volume of voids of solids in a soil mass.
Initiation of piping under hydraulic structures can be prevented by increasing the length of flow path of water.
Seepage pressure is independent of the coefficient of permeability.
Of these statement :

  • 1, 2 and 3 are correct
  • 1 and 2 are correct
  • 1 and 3 are correct
  • 2 and 3 are correct
Q.50

What type of vibrator is used for concreting thin section as well as heavily reinforced section?

  • Vibrating needle
  • Internal vibrator
  • Surface vibrator
  • Form vibrator
0 h : 0 m : 1 s