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JKSSB JE Civil Mock Test - 8 - Civil Engineering (CE) MCQ


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30 Questions MCQ Test - JKSSB JE Civil Mock Test - 8

JKSSB JE Civil Mock Test - 8 for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The JKSSB JE Civil Mock Test - 8 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The JKSSB JE Civil Mock Test - 8 MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for JKSSB JE Civil Mock Test - 8 below.
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JKSSB JE Civil Mock Test - 8 - Question 1

Which one of the following is known as elastic rail clip?

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 1

Elastic Rail Clip or Pandrol Clip:
The clip is made from silicon Manganese spring steel bar and heat-treated. It exerts a toe load of 645 to 1300 Kg, to ensure that the no relative movement between rail and sleeper is possible.
Elastic fastenings to be used with concrete, steel, and wooden sleepers are Pandrol clip, IRN 202 chip, HM fastening, MSI insert, rubber pads, and nylon liners.

JKSSB JE Civil Mock Test - 8 - Question 2

As per Indian Standard, average design period of water distribution systems is,

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 2

Design period as recommended by GOI manual-

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JKSSB JE Civil Mock Test - 8 - Question 3

Two separate blocks are placed one over another as shown in figure. What is the maximum magnitude of the frictional force acting on the lower block on ground? The coefficient of friction between the ground and block is μ = 0.2.

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 3

As maximum force of friction offered by ground on block is,
f = μ*normal reaction of ground
Here, effective normal reaction from ground is 40 N, as the upper block will lift up due to 15 N force acting on it.
So, fmax = 0.2*40 = 8 N

JKSSB JE Civil Mock Test - 8 - Question 4

In a reinforced and plain concrete footing on soil, the thickness of the edge shall not be less than,

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 4

As per IS 456 2000(34.1.2)
In reinforced and plain concrete footings, the thickness at the edge shall be not less than 150mm for footings on soils, nor less than 300mm above the tops of piles for footings on piles

JKSSB JE Civil Mock Test - 8 - Question 5

A BG track have a sleeper density of (M + 5). Determine the number of sleepers required for constructing a railway track of 2600 m.

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 5

Sleeper density = M+5, where M = length of rail in meters.
Length of rail for a BG track is ≌ 12.8 m 
Total number of rails required = 2600/13 = 200
Sleeper density = M +5 = 13 +5 = 18
Total number of sleepers = 200 X 18 = 3600

JKSSB JE Civil Mock Test - 8 - Question 6

A prototype is 25 times the model size for a spillway. If the discharge over the model is 1 m3/s, discharge over the prototype will be,

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 6

Lr = 25

JKSSB JE Civil Mock Test - 8 - Question 7

Bin card is,

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 7

Bin card- it is a record of receipts, issues and running balance of certain articles of stock kept in Bin card, which is kept where the materials are stored.

JKSSB JE Civil Mock Test - 8 - Question 8

Which of the following is used to fix tie bar to CI sleepers?

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 8
  • Cotters are used to fix tie bar to CI sleepers
  • The length of a cotter is 152 mm and the approximate weight is 0.80 lb per piece.
JKSSB JE Civil Mock Test - 8 - Question 9

Which of the following is not true for unconfined compression test?

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 9

Unconfined compression test:

  • It is a special case of triaxial test carried out at zero cell pressure.
  • Test is quick and water is not allowed to drain out of the soil sample. Hence it is an 'undrained' test.
  • It is used primarily for saturated and cohesive soils.
JKSSB JE Civil Mock Test - 8 - Question 10

A B.G. track is laid with a wooden sleeper. The sleeper spacing and width of the sleeper are 60 cm and 20 cm respectively. What will be the minimum depth of ballast?

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 10

Depth of ballast (D)

S = Sleeper spacing = 60 cm
B = Width of sleeper = 20 cm

JKSSB JE Civil Mock Test - 8 - Question 11

Find the hydraulic mean depth of a trapezoidal channel having bed width of 8 m, depth of flow as 4 m and side slope as 1 horizontal to 2 vertical.

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 11


Wetted perimeter (P) = AB +BC +AD= AB+2BC (since AD = BC)
BE = CE/2 = 4/2 = 2

Hydraulic men depth (R)= A/P

JKSSB JE Civil Mock Test - 8 - Question 12

The function of the cross groyne in a Denehey's T-shaped groyne is to,

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 12

Denehey's T-shaped groyne is a special type of groyne. It is developed in India. In this type of groyne an extra cross groyne is provided at the head giving it a T-shape. The function of extra cross groyne is to protect the main groyne on the same principle as the main groyne protects the river bank.

JKSSB JE Civil Mock Test - 8 - Question 13

What is the function of parapet wall provided in hilly roads?

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 13

Parapet Wall- Wall which is provided above the formation level in the down side slope is called parapet well. Its function is to protect the traffic against falling down the hill slope.

JKSSB JE Civil Mock Test - 8 - Question 14

Which of the following is correct for water supply pipes made of cast iron?

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 14

Advantages of cast iron pipes-

  • moderate in cost
  • easy to join
  • strong and durable
  • corrosion resistant
  • have a long life upto 100 years

Cast iron pipes cannot withstand high pressures and generally not used for pressures above 700 kN/m2

JKSSB JE Civil Mock Test - 8 - Question 15

Characteristic Strength of cement concrete:

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 15

As per IS 456:2000 Cl.6.2.1:
There is normally a gain of strength beyond 28 days. The quantum of increase depends upon the grade and type of cement, curing and environmental conditions. Therefore, strength of cement increase with age of concrete. For design purpose 28 days characteristic strength of concrete is used.

JKSSB JE Civil Mock Test - 8 - Question 16

Which of the following measure is taken to prevent electrolysis in water supply pipe lines?

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 16

Insulation joints: these are provided along pipe lines at suitable intervals to insulate the pipe against the flow of stray electric currents and to check electrolysis. Rubber gaskets or rings can be provided as insulators in between the pipe lengths to prevent the flow of electric current between them.

JKSSB JE Civil Mock Test - 8 - Question 17

Extra rapid hardening cement is obtained by:

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 17

Extra rapid hardening cement is obtained by inter-grinding Rapid Hardening Portland Cement with small quantity of calcium chloride (not more than 2% by weight of the rapid hardening cement). This cement should not be stored for more than a month.

JKSSB JE Civil Mock Test - 8 - Question 18

At some distance 'x' from 'A', shear force is zero in the given figure. The value of 'x' is,

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 18

RA + RB = 4 x 4 + 2 = 18 kN
Rx 10 = 2 x 8 + 4 x 4 x 2
RB = 4.8 kN
RA = 13.2 kN
Shear force at A = RA= 13.2 kN
Shear force at C = 13.2 -4 x 4 = -2.8 kN
Therefore, shear force is zero somewhere in the span AC. Let this distance be 'x' from A. Then
RA - 4x = 0
13.2 - 4x = 0
x = 3.3 m

JKSSB JE Civil Mock Test - 8 - Question 19

The minimum specific energy for a rectangular channel is 4.5 m. What will be the critical depth of flow for the channel?

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 19

Minimum specific energy = 1.5 x critical depth
4.5 = 1.5 x critical depth
Critical depth = 3 m

JKSSB JE Civil Mock Test - 8 - Question 20

A beam, 600 mm deep and 250 mm wide, is subjected to shear force and torsional moment of 160 kN and 40 kNm. The equivalent shear is,

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 20

As per IS 456:2000, Cl.41.3-
Equivalent shear (Ve)

JKSSB JE Civil Mock Test - 8 - Question 21

Which among the following is not a requirement for ideal track fastening?

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 21

The requirements of an ideal fastening are
1) It should be capable of absorbing shocks and vibration
2) Should resist creep
3) It should be cheap, durable, non-corrosive
4) It should not be too rigid
5) It should have high torque resistance etc.

JKSSB JE Civil Mock Test - 8 - Question 22

Which among the following is not an advantage of steel sleepers?

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 22

Advantages of steel sleepers

  • Fastening of steel sleepers are simple in nature and less in number
  • Maintenance and adjustment of the gauge are easy in the case of steel sleepers
  • The manufacturing process is simple
  • They are available in a single piece
  • Light in weight and easy to handle
  • They have good scrap value
  • Compare to wooden sleeper, behaves in better way on yielding formation

Disadvantages

  • High cost
  • Cracks are developed at rail seat.
  • Low corrosion resistance
  • There is excessive damage during derailments.
JKSSB JE Civil Mock Test - 8 - Question 23

Check measurements of works are done for the purpose of,

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 23

The object of check measurement is to detect errors in measurements and to prevent fraudulent entries. Check measurements should therefore be conducted on such items:
(a) Which appear obviously incorrect.
(b) Which would be more easily susceptible of fraud.
(c) Which would affect the total amount of the bill if inaccurate.

JKSSB JE Civil Mock Test - 8 - Question 24

The specified ruling gradient on a M.G section of railway track, is 1 in 200. What will be the steepest gradient that can be provided if a 4o curve is situated on this track?

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 24

Grade compensation on curves in Indian railways for MG = 0.03% per degree of curve
Grade compensation = 0.03 X 4 = 0.12%
Ruling gradient = (1/200) x 100 = 0.5 %
Steepest gradient = 0.5 - 0.12 = 0.38 %

JKSSB JE Civil Mock Test - 8 - Question 25

Which of the following organizations was set up on the recommendations of the Jayakar Committee and is the apex body of highway engineers in India?

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 25

The Indian Roads Congress (IRC) is the Apex Body of Highway Engineers in the country. The IRC was set up in December, 1934 on the recommendations of the Indian Road Development Committee best known as Jayakar Committee set up by the Govt. of India with the objective of Road Development in India.

JKSSB JE Civil Mock Test - 8 - Question 26

Which of the following statement is incorrect about security money deposit?

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 26

Security money deposit- The contractor deposits about 10% of the tendered amount with the department after tender is accepted. This is inclusive of the earnest money already deposited by the contractor. This money is kept as a check so that the contractor fulfils all the terms and conditions of the contract and carries out the work satisfactorily in accordance with the specification and maintains satisfactory progress for completion of the work. In case of failure in fulfilling the terms of the contract, the whole of the security money or part of it is forfeited by the department. When the contractor completes the work as per drawings, specifications and directions of the department within the specified time, the security money is refunded to the contractor. Normally the security deposit is refunded after the maintenance period, which may be 6 to 12 months after the completion of work, and it's handing over to the department.

JKSSB JE Civil Mock Test - 8 - Question 27

In the given figure, a bar is subjected to axial tensile load of P kN resulting in total extension of 0.3 mm. If A1 = 0.0025 m2 and A= 0.005 m2, the value of P will be,
(E = 2 x 105 N/mm2)

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 27

E = 2 x 105 N/mm2 = 2 x 1011 N/m2
l1= 100 mm = 0.1 m, l2= 200 mm = 0.2 m, A1= 0.0025 m2 and A2= 0.005 m2
δl = δl1 + δl2

JKSSB JE Civil Mock Test - 8 - Question 28

A soil is said to be normally consolidated when,

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 28

Pre-consolidation stress: maximum effective stress experienced by the soil.
Normally consolidated soils: Existing effective stress is the highest stress that soil has ever experienced in its stress history.
Over-consolidated soils: current effective stress is less than the pre-consolidation stress
Under-consolidated soils: those soils which are yet to consolidate under existing overburden pressure.

JKSSB JE Civil Mock Test - 8 - Question 29

Which of the following is not a component of diversion head works?

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 29

Components of a diversion headwork are:
1) weir proper
2) fish ladder
3) under-sluices
4) canal head regulator
5) divide wall
6) guide banks
7) marginal bunds
Drainage galleries are provided in gravity dams to collect excessive seepage water from the foundation and dam body.

JKSSB JE Civil Mock Test - 8 - Question 30

While performing a compass survey, the fore bearing of a line AB was found to be 280°. The magnetic declination was 15° West. The true bearing of line AB will be,

Detailed Solution for JKSSB JE Civil Mock Test - 8 - Question 30

True bearing of AB = Bearing of AB - magnetic declination
True bearing of AB = 280° - 15° = 265°

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