If you are preparing for any competitive exams like UPSC IES, GATE, SSC JE, State PSC, etc. or want to check your knowledge about any particular subject of Civil Engineering then solving MCQ's can be the best option. In this way you can also know your weakness about particular section of the subject.
MULTIPLE CHOICE QUESTIONS
Level - Beginner (Ideal for SSC JE, State PSC and other Small Level Exams
151. The initial setting time of cement
depends most on
(a) tri-calcium aluminate
(b) tri-calcium silicate
(c) tri-calcium alumino-ferrite
(d) di-calcium silicate
152. According to the Indian Standard
Specifications, concrete should be cured under a humidity of
(a) 90%
(b) 80%
(c) 70%
(d) 60%
(a) Round
(b) Annular
(c) Triangular
(d) Flinty
154. Consider the following for durability of
wellgraded concrete:
1. The environment
2. Cover to embedded reinforcement
3. Shape and size of concrete member
Which of these are correct?
(a) 1 and 2 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
155. If P is the percentage of water required
for determination of normal consistency of cement, then percentage of water to
be added for determination of initial setting time is
(a) 0.70 P
(b) 0.75 P
(c) 0.80 P
(d) 0.85 P
156. Consider the following constituents of a
high-performance concrete (HPC):
1. Cement
2. Fine aggregate
3. Coarse aggregate
4. Water
5. Mineral admixture
6. Chemical admixture
Which of these constituents are relevant for
HPC?
(a) 1, 2, 3, 4, 5 and 6
(b) 1,
2, 3, 4, and 5 only
(c) 2, 3, 4, 5, and 6
(d) 1, 2, 3, 5 and 6 only
157. Consider the following statements as
regards rheology of concrete:
1. It deals with strength of concrete.
2. It deals with deformation in concrete.
3. It is the study of deformation and flow of
concrete.
4. It deals with rate of shear and shear
stress in concrete. Which of these statements are correct?
(a) 1, 2, 3, and 4
(b) 3 and 4 only
(c) 2 and 3 only
(d) 1 and 2 only
158. Compared to mild steel, cast iron has
(a) High compressive strength
(b) Low tensile strength
(c) Both (a) and (b) above
(d) None of the above
159. The property of steel is influenced
maximum by
(a) Iron
(b) Manganese
(c) Carbon
(d) Sulphur
160. Purest form of iron is
(a) Mild steel
(b) Cast iron
(c) High carbon steel
(d) Wrought iron
161. In mild steel, carbon content is
(a) Less than 0.25%
(b) Between 0.25 and 0.75%
(c) Between 0.75 and 1.5%
(d) More than 1.5%
162. The quality of structured steel is
normally identified by
(a) Yield stress
(b) Ultimate stress
(c) Proof stress
(d) None of the above
163. The ultimate tensile strength of mild
steel is about
(a) 240 to 250 N/mm2
(b) 250 to 380 N/mm2
(c) 420 N/mm2
(d) 650 N/mm2
164. Wrought iron is used for
(a) Structural works in beams
(b) Small sized water pipes
(c) Columns and struts
(d) None of the above
165. Cast iron is used for
(a) Structural works in beams
(b) Small sized water pipes
(c) Columns and struts
(d) All of the above
166. Galvanising means covering iron with a
thin coat of
(a) Tin
(b) Glaze
(c) Zinc
(d) Coal tar
167. Manganese steel
(a) Are non-magnetic
(b) Possess high electric resistance
(c) Used for rails manufacturing
(d) Possess low coefficient of expansion
168. Stainless steel resists corrosion due to
(a) Carbon
(b) Manganese
(c) Chromium
(d) Sulphur
169. The percentage of carbon in cast iron is
(a) 0.7%
(b) 50%
(c) 1.2 to 1.7%
(d) 2 to 4.5%
170. The percentage of carbon in steel is
(a) 0.1 to 0.2%
(b) 0.15 to 1.5%
(c) 1 to 3%
(d) 2 to 4.5%
171. The maximum percentage of carbon in
wrought iron is
(a) 0.15%
(b) 0.9%
(c) 1.5%
(d) 3%
172. The property of steel due to which it can
withstand the blow of hammer is known as
(a) Toughness
(b) Hardness
(c) Malleability
(d) Ductility
173. The
property of material due to which it can be drawn into wires, is known as
(a)
Malleability
(b) Ductility
(c) Toughness
(d) Softness
174. The
property of materials due to which it can be transformed into thin sheets by
heating is known as
(a)
Malleability
(b) Ductility
(c) Toughness
(d)
Resilience
175. Product of blast furnace is known as
(a) Cast iron
(b) Pig iron
(c) Wrought iron
(d) Chilled iron
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