Civil Engineering MCQ Short Test-10

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PWD, WRD, SSC, MPSC, ZP, नगरपरिषद, जलसंपदा, सरळसेवा परीक्षा साठी उपयुक्त

1➤ Stiffness of the end A if the far end B is fixed is ____

ⓐ E/IL
ⓑ 3EI/L
ⓒ 4EI/L
ⓓ 2/EIL

2➤ Which one of the following statements is correct ? The number of unknowns to be determined in the stiffness method is equal to

ⓐ the kinematic indeterminacy
ⓑ the sum of kinematic indeterminacy and static indeterminacy
ⓒ the static indeterminacy
ⓓ two times the number of supports

3➤ Spring stiffness is

ⓐ Load required to produce unit deflection
ⓑ Its ability to absorb shocks
ⓒ Ratio of coil diameter to wire diameter
ⓓ Its capability of storing energy

4➤ The structures in which abrupt changes in plan dimensions are marked which are provided with _______.

ⓐ Expansion joints
ⓑ Infiltration stress
ⓒ Contraction joint
ⓓ NONE

5➤ The maximum superelevation on hill roads should not exceed

ⓐ 40%
ⓑ 10%
ⓒ 50%
ⓓ 20%

6➤ The type of transition curve that is generally provided on hill road is

ⓐ Circular
ⓑ Lemniscate
ⓒ Spiral
ⓓ Cubic parabola

7➤ Roadway width for National Highway and State Highway (two lanes) as per IRC is

ⓐ 12m
ⓑ 9m
ⓒ 8m
ⓓ 15m

8➤ Which of the following minerals is formed by linking gibbsite sheets to sheets of silica through unbalanced oxygen atoms at the top points of silica?

ⓐ Montmorillonite
ⓑ Albite
ⓒ Illite
ⓓ Kaolinite

9➤ Which of the following bonding is responsible to combine the silica-gibbsite sheet in kaolinite clay mineral?

ⓐ Covalent bond
ⓑ Polar covalent bond
ⓒ Ionic bond
ⓓ Hydrogen bond

10➤ The ratio of the focal length of the objective to stadia interval is called ________.

ⓐ additive factor
ⓑ staff intervals
ⓒ multiplying factor
ⓓ subtractive factor

11➤ The maximum error (mm) on the drawing should not be greater than

ⓐ 0.25
ⓑ 0.0025
ⓒ 5
ⓓ 1

12➤ Permissible limits of error in chaining for measurement on rough or hilly ground is ______.

ⓐ 1 : 500
ⓑ 1 : 1000
ⓒ 1 : 2000
ⓓ 1 : 250

13➤ What is the function of the plumbing fork in plane table surveyin

ⓐ Used for centering of plane table
ⓑ Used for orientation of plane table
ⓒ Used for leveling the plane table
ⓓ Used for sighting the object

14➤ A well - conditioned triangle has angles not less than _________ and not more than _________ respectively.

ⓐ 90 and 120
ⓑ 90 and 180
ⓒ 30 and 120
ⓓ 180 and 60

15➤ Concrete is unsuitable for compaction by a vibrator if it is

ⓐ earth moist
ⓑ semi-plastic
ⓒ dry
ⓓ plastic

16➤ The cement becomes useless if its absorbed moisture content exceeds

ⓐ 3%
ⓑ 4%
ⓒ 2%
ⓓ 5%

17➤ The lower water cement ratio in concrete, introduces

ⓐ improved frost resistance and smaller creep and shrinkage
ⓑ greater wear resistance and improved bond strength
ⓒ greater density and smaller permeability
ⓓ all the above.

18➤ An aggregate is known as cyclopean aggregate if its size is more than

ⓐ 75 mm
ⓑ 30 mm
ⓒ 4.75 mm
ⓓ 60 mm

19➤ The main object of compaction of concrete, is:

ⓐ to eliminate air holes
ⓑ to provide initimate contact between the concrete and embedded materials
ⓒ to achieve maximum density
ⓓ all the above.

20➤ Particles of 0.002 mm size are that of

ⓐ clay
ⓑ gravel
ⓒ sand
ⓓ none of these.

21➤ The minimum percentage of chemical ingredient of cement is that of A. B. C. D.

ⓐ alumina
ⓑ magnesium oxide
ⓒ lime
ⓓ iron oxide

22➤ The specifications of a cement bag for storage, are

ⓐ weight 50 kg
ⓑ volume 35 litres and plan area 3000 sq. cm
ⓒ height 18 cm
ⓓ all the above.

23➤ Top bars are extended to the projecting parts of the combined footing of two columns L distance apart for a distance of

ⓐ 0.1 L from the centre edge of column
ⓑ Half the distance of projection
ⓒ 0.1 L from the outer edge of column
ⓓ One-fourth the distance of projection

24➤ If the diameter of the main reinforcement in a slab is 16 mm, the concrete cover to main bars is

ⓐ 10 mm
ⓑ 14 mm
ⓒ 16 mm
ⓓ 12 mm

25➤ For concrete to be used for making airport runway, the aggregate impact value should not be more than

ⓐ 10% by weight or 0.1
ⓑ 25% by weight or 2.5
ⓒ 30% by weight or 0.3
ⓓ 45% by weight or 4.5