Basic Civil Engineering Test

Basic Civil Engineering

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Question 1
A good building stone should not absorb water more than
A
5%
B
10%
C
15%
D
20%
Question 1 Explanation: 
A good building stone should not absorb water more than 5%.
Question 2
A cantilever beam is loaded by a point load at the free end. It is likely to fail by B.M
A
under the load
B
at mid span
C
 at support
D
none
Question 2 Explanation: 
A cantilever beam is loaded by a point load at the free end. It is likely to fail by B.M  at support
Question 3
For the design of retaining walls the minimum factor of safety against over-turning is taken as
A
1.5
B
2
C
2.5
D
3
Question 4
A rigid prop provided for a beam
A
brings the bending for a beam
B
brings the deflection at the prop to zero
C
 brings the slopes at the section to zero
D
brings the shear force at the section to zero
Question 4 Explanation: 
A rigid prop provided for a beam brings the deflection at the prop to zero
Question 5
The limits of percentage of the longitudinal reinforcement in a column is given by
A
0.15% to 2%
B
0.8% to 4%
C
0.8% to 6%
D
0.8% to 8%
Question 5 Explanation: 
As Per IS-code
Question 6
 In any beam when the moment of inertia about the neutral axis is doubled, its deflection is
A
doubled
B
tripled
C
halved
D
minimum
Question 6 Explanation: 
In any beam when the moment of inertia about the neutral axis is doubled, its deflection is always halved
Question 7
The slab is designed as one way if the ratio of long span to short span is
A
less than 1
B
between 1 and 1.5
C
between 1.5 and 1.2
D
greater than 2
Question 7 Explanation: 
The slab is designed as one way if the ratio of long span to short span is greater than 2
Question 8
The minimum cover in a slab should neither be less than the diameter of bar nor less than
A
 10 mm
B
15 mm
C
20 mm
D
13 mm
Question 8 Explanation: 
Its According to Is-Code 15mm
Question 9
A kink is made in stock rails, ahead of the toe of switch at a distance of
A
10 cm
B
15 cm
C
20 cm
D
30 cm
Question 9 Explanation: 
A kink is made in stock rails, ahead of the toe of switch at a distance of 15 cm As Per Indian Code
Question 10
Mr. W. Simms, the consulting Engineer to the Government of India recommended the gauge for Indian railways
A
1.435 m as adopted in England
B
1.800 m as per Indian conditions
C
1.676 m as a compromise gauge
D
1.000 m as a standard gauge
Question 10 Explanation: 
As Per Indian Code
Question 11
Which of the following sedimentary rocks changes into quartzite by metamorphic action ?
A
sand stone
B
lime stone
C
shale
D
gypsum
Question 11 Explanation: 
sand stone sedimentary rocks changes into quartzite by metamorphic action
Question 12
Quartitze is a
A
silicious rock
B
argillaceous rock
C
calcareous rock
D
aqueous rock
Question 12 Explanation: 
Quartzite (from German: Quarzit) is a hard, non-foliated metamorphic rock which was originally pure quartz sandstone.
Question 13
Which of the following is a mineral ?
A
basalt
B
granite
C
quartz
D
syenite
Question 14
Slate is formed by metamorphic action on
A
shale
B
lime stone
C
sand stone
D
granite
Question 14 Explanation: 
Slate is a fine-grained, foliated metamorphic rock that is created by the alteration of shale or mudstone by low-grade regional metamorphism.
Question 15
Which of the following is a rock ?
A
quartz
B
mica
C
gypsum
D
none of the above
Question 15 Explanation: 
Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO. 4· 2H2O. It is compostion of rock
Question 16
Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt,granite, marble, gypsum, mica
A
basalt and marble are the only metamorphic rocks
B
there is no sedimentary rock
C
granite is the only igneous rock
D
quartz and mica are minerals
Question 16 Explanation: 
Quartz, feldspar, mica etc. are a few of the minerals that form rocks. Some rocks are defined by the minerals they contain - as Traveler points out those three minerals are the obvious crystals that make up grantite.
Question 17
A heavy stone is suitable for
A
arches
B
rubble masonry
C
roads
D
retaining walls
Question 17 Explanation: 
A retaining wall is a structure designed and constructed to resist the lateral pressure of soil, when there is a desired change in ground elevation that exceeds the angle of repose of the soil.so heavey stone is suitable for it.
Question 18
The stone suitable for rubble masonry should be.
A
hard
B
tough
C
heavy
D
light
Question 18 Explanation: 
Rubble masonry is further subdivided into three classes: Uncoursed random rubble masonry, Coursed random rubble masonry and Dry rubble masonry.so rubble masonary should be hard.
Question 19
Which of the following metamorphic rocks has the most weather resisting characteristics?
A
marble
B
quartzite
C
slate
D
lime stone
Question 20
A good building stone should not absorb water more than
A
5%
B
10%
C
15%
D
20%
Question 20 Explanation: 
The absorbed water will further increase the cracks as it needs more volume in the ice form. So the porous stones should not be used in the places which are subjected to rain, frost or moisture
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