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Civil Engineering (CE) Exam  >  Civil Engineering (CE) Tests  >  ISRO Draughtsman Civil Mock Test - 5 - Civil Engineering (CE) MCQ

ISRO Draughtsman Civil Mock Test - 5 - Civil Engineering (CE) MCQ


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30 Questions MCQ Test - ISRO Draughtsman Civil Mock Test - 5

ISRO Draughtsman Civil Mock Test - 5 for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The ISRO Draughtsman Civil Mock Test - 5 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The ISRO Draughtsman Civil Mock Test - 5 MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for ISRO Draughtsman Civil Mock Test - 5 below.
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ISRO Draughtsman Civil Mock Test - 5 - Question 1
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Viscosity is due to

I. Surface tension

II. Cohesion

III. Intermolecular attraction

IV. Vapour pressure

Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 1

  • II. Cohesion

  • III. Intermolecular attraction

Hence the correct answer is option A.

ISRO Draughtsman Civil Mock Test - 5 - Question 2
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In reciprocal leveling, the error which is not completely eliminated, is to to

Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 2
It depends upon the surrounding temp and sensitivity of the bubble tube.
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ISRO Draughtsman Civil Mock Test - 5 - Question 3
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Malleability is the property by which material can

Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 3
The property by which a material can be uniformly extended in a direction without rupture is malleability. A malleable material posses a high degree of plasticity.
ISRO Draughtsman Civil Mock Test - 5 - Question 4
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Torsion resisting capacity of a given RC section
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 4
As the area of longitudinal and transverse reinforcement increases and hence the torsion resistance capacity of the section increases. To resist torsion section reinforcement must consist of closely spaced stirrups and longitudinal bars.
ISRO Draughtsman Civil Mock Test - 5 - Question 5
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The beam shown in the figure is:
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 5
(Here re = 6)

(Dse = 6 - 3 = 3)

ISRO Draughtsman Civil Mock Test - 5 - Question 6
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Plastic asphalt is -
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 6
Plastic asphalt = a mixture of cement and asphalt.

Mastic asphalt = used for damp proof and waterproof layer.

Plastic bitumen = used for filling cracks in masonry structure using asbestos powder as a filler.

ISRO Draughtsman Civil Mock Test - 5 - Question 7
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Venturimeter is advantageous because:
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 7
Venturimeter is advantageous because

(→) It has a much smaller head loss

(→) Its coefficient of discharge ((Cd=0.98)) is more

(→) Its accuracy is quite good.

ISRO Draughtsman Civil Mock Test - 5 - Question 8
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The commonly used thinner in oil points is -
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 8
Solvents of oil paints are used to thin the paints, increase the spread, and are also known as thinner. They make the paint of workable consistency and evaporate during drying of the film.

For example, petroleum, spirit, naphtha, and turpentine oil are used for common thining agents.

ISRO Draughtsman Civil Mock Test - 5 - Question 9
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A plate load test is used to determine
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 9

A plate load test is used to determine are bearing capacity of foundations and settlement of foundations.

ISRO Draughtsman Civil Mock Test - 5 - Question 10
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Using straight line method, annual depreciation D is equal to
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 10

Using straight line method, annual depreciation D is equal to 

ISRO Draughtsman Civil Mock Test - 5 - Question 11
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The load factors for live load and dead load are-
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 11
The load factors for live load and dead load are 2.2 and 1.5, respectively. The load factor for the dead load will always be less than the load factor for the live load.

Hence the option B is correct.

ISRO Draughtsman Civil Mock Test - 5 - Question 12
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To the calculated area of cover plates of build-up beam, an allowance for rivet hole to be added is-
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 12
To the calculated area of cover plates of a build-up beam, an allowance for rivet holes to be added is 13%

Hence the option B is correct.

ISRO Draughtsman Civil Mock Test - 5 - Question 13
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The flaky aggregate is said to be elongated if its length is-
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 13
The flaky aggregate is elongated if its length is twice the mean size. The aggregate is said to be flaky when its least dimension is less than 3/5 th (or 60%) of its mean dimension. Elongated aggregate is said to be elongated when its length is greater than 180% of its mean dimension.

Hence the option B is correct.

ISRO Draughtsman Civil Mock Test - 5 - Question 14
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The property of the stones to withstand the adverse action of weather is known as
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 14
The stone used in pavement construction should be durable and should resist disintegration due to the action of the weather. The aggregates are subjected to the physical and chemical activity of rain and groundwater and also the atmosphere. Hence the road stones used in the construction should be sound enough to withstand the weathering action.

Hence the correct answer is option B.

ISRO Draughtsman Civil Mock Test - 5 - Question 15
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Identify the erroneous statement. Mild steel
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 15
Mild Steel has a small percent elongation at failure.

Hence the correct answer is option C.

ISRO Draughtsman Civil Mock Test - 5 - Question 16
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Fully oxidized sewage, contains nitrogen in the form of-
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 16
Oxidized forms of nitrogen include nitrite (NO2) and nitrate (NO3). Nitrogen mainly occurs in wastewater in this form. Because nitrite is easily oxidized to nitrate, nitrate is the compound predominantly found in groundwater and surface waters.
ISRO Draughtsman Civil Mock Test - 5 - Question 17
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In a flow field, the streamlines, and equipotential lines-
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 17

Concept:

Stream line is an imaginary curve drawn through a flowing fluid in such a way so that the tangents to it at any point gives the direction of the instantaneous velocity of flow at that point.
Equipotential lines are formed by joining the different points having the same value of velocity potential function.

Properties: 

Slope of equipotential Line × Slope of stream function = -1
i.e. streamlines and equipotential lines always meet orthogonally.
Meshes formed by them may be in square, rectangular or curvilinear.

ISRO Draughtsman Civil Mock Test - 5 - Question 18
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Plywood is obtained by gluing wooden sheets at a pressure of:
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 18
Plywood is obtained by gluing wooden sheets at a pressure of 100 to 150 N/cm2 and a temperature of 100 to 130 degrees Celsius. Plywood is made up of three or more thin layers of wood. These layers are bonded together with an adhesive.
ISRO Draughtsman Civil Mock Test - 5 - Question 19
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A tension member, if subjected to a possible reversal of stress due to wind, the slenderness ratio of the number should not exceed
ISRO Draughtsman Civil Mock Test - 5 - Question 20
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Horizontal stiffener in a plate girder is provided to safeguard against web buckling due to-
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 20
When a plate girder bends, its curvature creates vertical compression in the web is due to the downward vertical component of compression flange and the upward vertical component of tension flange bending stress. The web must have sufficient vertical buckling strength to withstand this squeezing effect.
ISRO Draughtsman Civil Mock Test - 5 - Question 21
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Nitrates more than 45 mg/l in water lead to a disease called-
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 21
Nitrate is not harmful as it is fully oxidized, but the concentration above 45mg/l can cause methemoglobinemia in infants.
ISRO Draughtsman Civil Mock Test - 5 - Question 22
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Los Angeles machine is used to test the aggregate for-
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 22
Los Angeles Abrasion Test on Aggregates -Values for Pavements and Roads. Los Angeles abrasion test on aggregates is the measure of aggregate toughness and abrasion resistance such as crushing, degradation and disintegration.
ISRO Draughtsman Civil Mock Test - 5 - Question 23
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The codal provision recommends minimum shear reinforcement in the form of stirrups in the beam

1. To cater for any torsion in the beam section

2. To improve the ductility of the cross-section

3. To improve dowel action of longitudinal tension bar.

Select the correct answer using the codes given below :
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 23
The provisional of nominal web reinforcement restrains the growth of inclined shear cracks, improves the dowel action of the longitudinal tension bars, introduces ductility in shear and provides a warning of the impending failure.

Hence, the correct option is (B)

ISRO Draughtsman Civil Mock Test - 5 - Question 24
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The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 24
Cyaniding is a case-hardening process that is fast and efficient; it is mainly used on low-carbon steels. The part is heated to 871–954 °C (1600–1750 °F) in a bath of sodium cyanide and then is quenched and rinsed, in water or oil, to remove any residual cyanide.

Hence, the correct option is (A)

ISRO Draughtsman Civil Mock Test - 5 - Question 25
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Outside clearance of a sampler should be :
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 25
Outside clearance is kept minimum so that the sample is less disturbed during collection.

The inside clearance should lie between 1 to 3 percent and the outside clearance should not be much greater than the inside clearance. The walls of the sampler should be smooth and should be kept properly oiled so that wall friction is minimum.

Hence, the correct option is (B)

ISRO Draughtsman Civil Mock Test - 5 - Question 26
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Which of the following is not a classification of piles on the basis of installation-
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 26
Piles are classified as steel pile on the basis of a material of piles.

Basically, steel piles are a big screw, made of galvanized steel with a helical flange that not only helps to insert the pile, but also helps secure it into the ground. By using a mini-excavator with special attachments, a drill can enter the ground while measuring the load-bearing capacity of the soil.

Hence, the correct option is (D)

ISRO Draughtsman Civil Mock Test - 5 - Question 27
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Maximum value of superelevation provided in the design of horizontal alignment of a highway-
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 27
Acc to IRC the max value of superelevation to be provided is 0.07.

The maximum superelevation for a roadway section depends on climatic conditions, type of terrain, and type of development. Roadways in rural areas are typically designed with a maximum superelevation rate of 8 percent.

Hence, the correct option is (A)

ISRO Draughtsman Civil Mock Test - 5 - Question 28
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Rise of water table above the ground surface causes-
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 28
A rise increases the pore water pressure at all elevations thus causing a decrease in effective stress. A rise above ground surface increases both the total stress and the pore water pressure by the same amount, and consequently effective stress is not altered.

Hence, the correct option is (A).

ISRO Draughtsman Civil Mock Test - 5 - Question 29
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Which of the following represents the requirement of valid contracts:

a. It must be in writing

b. can be enforced in a court of law

c. Parties should give the consent for agreement

d. Parties concerned must be competent
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 29
There are six requirements for a contract to be valid

1. The agreement consists of an offer and an acceptance of an offer.

2. Something must be bargained for in exchange for a promise.

3. All parties must have the legal ability and capacity to be held to a contract.

4. Both parties must agree to the terms of the contract.

5. Subject of bartering must be legal.

6. The contract must be written out to be adequately enforced in a court of law.

ISRO Draughtsman Civil Mock Test - 5 - Question 30
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The period of cleaning of a slow sand filter is usually:
Detailed Solution for ISRO Draughtsman Civil Mock Test - 5 - Question 30
Slow sand filter: They consist of fine sand, supported by gravel. They capture particles near the surface of the bed and are usually cleaned by scraping away the top layer of sand that contains the particles.

Cleaning:

  • For cleaning, the top layer of sand is scrapped and 1.5 to 3 cm of sand is removed in each cleaning.

  • The frequency of cleaning is 1 to 3 months.

  • The rate of filtration is 100-200 l/hr/m2 of filter area.

  • It is used for smaller plants in villages.

Rapid sand Filter: They consist of larger sand grains supported by gravel and capture particles throughout the bed. They are cleaned by backwashing water through the bed to 'lift out' the particles.

Cleaning:

  1. Cleaning of the filter can also be done using surface wash but it should be accompanied by backwash.

  2. Washing period = 24 to 48 hrs.

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