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Civil Engineering (CE) Exam  >  Civil Engineering (CE) Tests  >  ISRO Draughtsman Civil Mock Test - 2 - Civil Engineering (CE) MCQ

ISRO Draughtsman Civil Mock Test - 2 - Civil Engineering (CE) MCQ


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30 Questions MCQ Test - ISRO Draughtsman Civil Mock Test - 2

ISRO Draughtsman Civil Mock Test - 2 for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The ISRO Draughtsman Civil Mock Test - 2 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The ISRO Draughtsman Civil Mock Test - 2 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 - 2 below.
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ISRO Draughtsman Civil Mock Test - 2 - Question 1
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Estimate expected to be least accurate is:

Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 1
The estimate expected to be least accurate is the Plinth area estimate.

Hence the correct answer is option B.

ISRO Draughtsman Civil Mock Test - 2 - Question 2
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The part of the wall on which the arch rests, is called

Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 2
The part of the wall on which the arch rests, is called an abutment.

The clear horizontal distance between two supports of an arch is called a span.

The exterior curved surface of the arch is called the extrados.

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ISRO Draughtsman Civil Mock Test - 2 - Question 3
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Bulking:

Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 3
Bulking Increases with finesses of aggregates and is a negligible case of coarse aggregates, It has great importance in the case of fine aggregates or sand.
ISRO Draughtsman Civil Mock Test - 2 - Question 4
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The ratio (water content−plastic limit/plasticity index) for a soil mass is called
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 4
The ratio (water content−plastic limit/plasticity index) for a soil mass is called the Liquidity index. Hence the correct answer is option A.
ISRO Draughtsman Civil Mock Test - 2 - Question 5
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A sewer which receives the discharge of a number of house sewers is called -
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 5
The sewer obtaining its discharge directly from the building is known as a lateral.

Hence the correct answer is option B.

ISRO Draughtsman Civil Mock Test - 2 - Question 6
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Dry rot -
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 6
Dry rot is the decomposition of felled timber. It is caused by the action of various fungi. The fungus reduces fibre to a fine powder, and the timber losses its strength.
ISRO Draughtsman Civil Mock Test - 2 - Question 7
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The shearing strength of a cohesion less coil depends on -
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 7
Factor Affecting Shear Strength of Cohesionless Soil-

  • Shear strength of cohesionless soils is only developed with the presence of effective stress.

  • Shear strength increases with increasing effective stress.

  • The increase of shear strength of cohesionless soil depends upon the internal friction angles of the soil.

  • The type of soil most susceptible to liquefaction is one in which the resistance to deformation is mobilized by friction between particles. If other factors such as grain shape, uniformity coefficient, and relative density are equal, the frictional resistance of cohesion less soil decreases as the grain size of soils becomes smaller.

ISRO Draughtsman Civil Mock Test - 2 - Question 8
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Physical properties which influence permeability are -
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 8
Physical properties which influence permeability are Both viscosity and unit weight.

Hence the correct answer is option C.

ISRO Draughtsman Civil Mock Test - 2 - Question 9
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In a gradually varied flow, if dy/dx is positive them dE/dx will be
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 9

Positive if y > yc

ISRO Draughtsman Civil Mock Test - 2 - Question 10
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Directions: the related Word from the given alternatives.
Bird : Wings ∷ Fish : ?
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 10

Birds fly with the help of wings.
Similarly fish swims with the help of fins.
Therefore, fish is related to fins.

ISRO Draughtsman Civil Mock Test - 2 - Question 11
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Directions: A pair of number is given. Select the pair which shows the similar relationship that is shown by the given pair. 1984 : 4891
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 11

The pattern is as follows,
1984 is the reverse of 4891
Similarly, 2874 is the reverse of 4782.
Hence the required pair is 2874 : 4782.

ISRO Draughtsman Civil Mock Test - 2 - Question 12
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Section modulus for a rectangular section is given as-
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 12
Let rectangular section of width b and depth d then.

Section modulus, (Z=1/Ymax)

where (I=bd3/12)&(ymax=d/2)

Now

(Z=(bd3/12)/(d/2)=bd2/6)

Hence the option B is correct.

ISRO Draughtsman Civil Mock Test - 2 - Question 13
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Standard loads are given in-
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 13
IS 875-1964: Code of practice for Structural Safety of Buildings; Loading Standards.

Hence the option D is correct.

ISRO Draughtsman Civil Mock Test - 2 - Question 14
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According to IS 456 - 1978, the thickness of reinforced concrete footing on piles at its edge is kept less than-
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 14
In reinforced concrete footing, the thickness at the edge shall not be less than 150 mm for footings on soils, noir less than 300 mm above the tops of piles for footing on piles.

Hence the option C is correct.

ISRO Draughtsman Civil Mock Test - 2 - Question 15
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The ratio of the rate of change of discharge of the outlet to the rate of change of discharge of the distributor channel is known as -
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 15
Flexibility: It provides criteria for judging the behaviour of modules and semi-modules. It is generally denoted by the letter 'F.,’ The ratio of the rate of change of outlet discharge to the rate of change of discharge of the parent channel.

Hence the correct answer is option C

ISRO Draughtsman Civil Mock Test - 2 - Question 16
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Name the tests to find out the strength properties of a soil
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 16
Shear tests, bearing tests, and penetration tests are the tests used to evaluate the strength properties of soil.

Hence the correct answer is option D.

ISRO Draughtsman Civil Mock Test - 2 - Question 17
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In an experiment for the determination of the shrinkage limit, the following observations are taken

(a) the volume of saturated soil = 9.95 ml

(b) mass of saturated soil = 17.5 ml

(c) the volume of dry soil after shrinkage = 5.60 ml

(d) mass of dry soil after shrinkage = 11.5 ml

compute the shrinkage limit and the specific gravity of soils
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 17

V1 = 9.95ml M1 = 17.5ml

V2 = 5.60ml Ms = 11.5ml

Ws = 0.4043 = 40.43%

The specific gravity of solids

G = 2.91

Hence the correct answer is option A.

ISRO Draughtsman Civil Mock Test - 2 - Question 18
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The extreme bending moment caused by the total of a uniformly distributed load (W) on a cantilever beam of span L is-
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 18
The centre of the load is acting at L/2, and the BM is given by WL/2.
ISRO Draughtsman Civil Mock Test - 2 - Question 19
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Slump cone test is used to determine-
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 19
Concrete slump test or slump cone test is to determine the workability or consistency of concrete mix prepared at the laboratory or the construction site during the progress of the work. The concrete slump test is carried out from batch to batch to check the uniform quality of concrete during construction.
ISRO Draughtsman Civil Mock Test - 2 - Question 20
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Force method in structural analysis always ensures
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 20
The force method of analysis, also known as the method of consistent deformation, uses equilibrium equations and compatibility conditions to determine the unknowns in statically indeterminate structures. In this method, the unknowns are the redundant forces.
ISRO Draughtsman Civil Mock Test - 2 - Question 21
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Age of a tree may be ascertained by :
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 21
If you know when the tree was planted, you can easily and accurately determine its age. The second most accurate way to estimate tree age is to count the annual rings of wood growth. Annual rings can be counted using two different methods. You can extract an increment core from the tree using an increment borer.
ISRO Draughtsman Civil Mock Test - 2 - Question 22
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If Mohr's circle is drawn for a fluid body at rest, it would be-
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 22
Mohr's circle is a graphical representation of a general state of stress at a point. It is a graphical method used for evaluation of principal stresses, maximum shear stress; normal and tangential stresses on any given plane.

The radius of Mohr Circle ⇒ R=τmax = √[(σx - σy/2)2 + τxy 2)]

In static fluid,

τxy = 0 and σx = σy = - σ (normal compressive stress)

⇒ R=τmax = √[(σ - σ/2)2 + τxy 2 )] = 0

Therefore, Mohr Circle for Static Fluid is a Point Circle

Hence, the correct option is (D)

ISRO Draughtsman Civil Mock Test - 2 - Question 23
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When the deposits of efflorescence are more than 10 percent and less than 50 percent of the exposed areas of brick, the presence of efflorescence is classified as :
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 23
The degree of efflorescence is given as

(a)NIL – When there is no perceptible deposit of efflorescence.

(b)SLIGHT- Not more than 10% area of the brick covered with a thin deposit of salt.

(c)MODERATE- Covering up to 50% area of the brick.

(d)HEAVY- Covering 50% or more but unaccompanied by powdering or flaking of the brick surface.

(e)SERIOUS- When there is a heavy deposit of salts accompanied by powdering and/or flacking of the exposed surfaces.

Hence, the correct option is (B)

ISRO Draughtsman Civil Mock Test - 2 - Question 24
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As per IS 456: 2000, for seawater grade of concrete lower than which of the following shall not be used in reinforced concrete:
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 24
For seawater grade of concrete lower than M30 shall not be used in reinforced concrete. IS 456-2000 Plain and Reinforced Concrete - Code of Practice is an Indian Standard code of practice for general structural use of plain and reinforced concrete. The latest revision of this standard was done in the year 2000, reaffirmed 2005. This code uses the limit state design approach as well working stress design approach. It is written for use in India. It gives extensive information on the various aspects of concrete.

Hence, the correct option is (B)

ISRO Draughtsman Civil Mock Test - 2 - Question 25
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Total project Cost versus time curve is
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 25
Total project Cost versus time curve is a U-shaped curve. The U-shaped curve usually refers to the nonlinear relationship between two variables, in particular, a dependent and an independent variable. Because many analytic methods assume an underlying linear relationship, systematic deviation from linearity can lead to bias in estimation. Meaningful U-shaped relationships can be found in epidemiology.

Hence, the correct option is (B)

ISRO Draughtsman Civil Mock Test - 2 - Question 26
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If in a truss the internal static indeterminacy is less than zero then-
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 26
If in a truss the internal static indeterminacy = zero then, Truss is internally determinate. If in a truss the internal static indeterminacy > zero then, Truss is internally static indeterminate If in a truss the internal static indeterminacy < zero then, Truss is internally unstable.

Hence, the correct option is (C)

ISRO Draughtsman Civil Mock Test - 2 - Question 27
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Scrap value of a property may be __________.
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 27
Scrap value is the value of dismantled material. Let's take an ln example of building, for a building when the life is over at the end of utility period, the dismantled materials such as steel, bricks, timber, etc. will fetch a certain amount which is the scrap value of the building, the amount of scrap value maybe about 10% of its total cost of construction. If the cost of dismantling the property is more than the value of scrap obtained from it, scrap value is negative.
ISRO Draughtsman Civil Mock Test - 2 - Question 28
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In triaxial test -
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 28

In the triaxial test stress in the vertical direction is different from stress in the other two directions.

ISRO Draughtsman Civil Mock Test - 2 - Question 29
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For controlling the growth of algae, the chemical generally used is:
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 29
Algae are microscopic free-floating plants that play an important role in aquatic ecosystems and directly affect the health of these systems. Through their photosynthetic processes, algae use carbon dioxide, converting it to organic matter and oxygen.

  • Algae are important sources of dissolved oxygen in a water impoundment and constitute the basic building blocks of the aquatic food chain

  • They cause water quality problems only when they proliferate so much that they upset the ecological balance

  • Copper sulfate is frequently used for algal control, and sometimes it is applied on a routine basis during summer months, whether or not it is actually needed

Note: Alum is used as a coagulant in the coagulation process.

ISRO Draughtsman Civil Mock Test - 2 - Question 30
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The durability of concrete is directly proportional to:
Detailed Solution for ISRO Draughtsman Civil Mock Test - 2 - Question 30
Durability of concrete may be defined as the ability of concrete to resist weathering action, chemical attack, and abrasion while maintaining its desired engineering properties.

  • More will be the cement-aggregate ratio, more will be the durability of concrete

  • The durability of concrete is inversely proportional to the water-cement ratio

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