Civil Engineering Question and Ans.
1) The weakest section of a diamond riveting, is the section which passes through.
A. first row
B. second row
C. central raw
D. one rivet hole of end row.
Answer: Option A
2) In a loaded beam, the point of con-textural occurs at a section where.
A. bending moment is minimum
B. bending moment is zero or changes sign
C. bending moment is maximum
D. shearing force is maximum
E. shearing force is minimum.
Answer: Option B
A. linear
B. parabolic
C. cubical
D. circular.
Answer: Option A
A. statically determinate structure
B. statically indeterminate structure
C. a bent beam
D. none of these.
Answer: Option A
A. one of the forces must be zero
B. each force must be zero
C. forces must be equal and of the same sign
D. forces must be equal in magnitude but opposite in sign.
Answer: Option B
A. zero
B. maximum
C. minimum
D. average of maximum-minimum
E. none of these.
Answer: Option B
7) A rectangular beam 20 cm wide is subjected to a maximum shearing force of 10, 000 kg, the corresponding maximum shearing stress being 30 kg/cm2. The depth of the beam is
A. 15 cm
B. 20 cm
C. 25 cm
D. 30 cm.
Answer: Option C
8) The shape of the bending moment diagram over the length of a beam, carrying a uniformly distributed load is always
A. linear
B. parabolic
C. cubical
D. circular.
Answer: Option B
9) The maximum twisting moment a shaft can resist, is the product of the permissible shear stress.
A. moment of inertia
B. polar moment of inertia
C. polar modulus
D. modulus of rigidly.
Answer: Option C
10) The rocks formed from molten magma, are called
A. sedimentary rocks
B. igneous rocks
C. metamorphic rocks
D. none of these.
Answer: Option B
11) For a simply supported beam with a central load, the bending moment is
A. least at the center
B. least at the supports
C. maximum at the supports
D. maximum at the center.
Answer: Option D
12) Rocks formed due to alteration of original structure due o heat and excessive pressure, are called
A. sedimentary rocks
B. igneous rocks
C. metamorphic rocks
D. none of these.
Answer: Option C
13) Geologically, marble is known as
A. sedimentary rock
B. igneous rock
C. metamorphic rock
D. stratified rock.
Answer: Option C
14) Granite mainly composed of quartz and speller particles, is obtained from
A. sedimentary rocks
B. metamorphic rocks
C. igneous rocks
D. all the above.
Answer: Option C
15) The first passenger train was introduced in India in
a) 1851
b) 1853
c) 1835
d) 1815
Answer: Option B
16) Gneiss is obtained from
A. igneous rocks
B. metamorphic rocks
C. sedimentary rocks
D. sedimentary-metamorphic rocks.
Answer: Option D
17) Track modulus is defined as
A) Load/unit length of sleeper
B) Load/unit length of sleeper to produce depression in rail
C) Load/unit length of rail to produce depression in sleeper
D) Load/unit length of rail to produce unit depression/deflection in track
Answer: Option D
18) How does the depth of ballast cushion affect rail section
A) Higher the depth bigger the rail section
B) Depth is less, bigger the rail section
C) Depth is less, smaller the rail section
D) Depth and Rail section same
Answer: Option B
19) A short-term environmental impact assessment (EIA) has a time period of
A) 2-5 years
B) 10-15 years
C) 5-10 years
D) 5-7 years
Answer: Option C
20) What must be done to wooden sleepers before use
A) Seasoning
B) Washing
C) Painting
D) Hydrating
Answer: Option A
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