QUIZ: CIVIL ENGINEERING ( 8-APRIL-2020)

Quiz: Civil Engineering
Exam: UPSSSC-JE
Topic: Building Material

Each question carries 1 mark
Negative marking: 1/4 mark
Time: 10 Minutes

Q1. Poisson’s Ratio of Concrete?
(a) 0.1 to 0.3
(b) 0.3 to 0.4
(c) 0.35 to 0.45
(d) 0.5 to 0.1
L1Difficulty 1
QTags Building Construction Technology
QCereator Anubhav Gupta

Q2. Elastic modulus of concrete as per IS 456 : 197.
(a) 5700√fck
(b) 5000√fck
(c) 4500√fck
(d) 3000√fck
L1Difficulty 1
QTags Building Construction Technology
QCereator Anubhav Gupta

Q3. Which constituent of good brick earth added in small quantity during the manufacturing of bricks, to give yellow into brick’s and decrease shrinkage?
(a) Oxide of iron
(b) Silica
(c) Magnisia
(d) Alumina
L1Difficulty 2
QTags Building Construction Technology
QCereator Anubhav Gupta

Q4. Which one of the following is not mechanical property of brick’s?
(a) Modulus of rupture
(b) Texture
(c) Tensile strength
(d) Fire resistance
L1Difficulty 2
QTags Building Construction Technology
QCereator Anubhav Gupta

Q5. Alumina content in a good brick earth must be at least.
(a) 50%
(b) 35%
(c) 20%
(d) 40%
L1Difficulty 3
QTags Building Construction Technology
QCereator Anubhav Gupta

Q6. Minimum Curing Period for lime mortar:
(a) 3 day’s
(b) 7 day’s
(c) 10 day’s
(d) 14 day’s
L1Difficulty 2
QTags Building Construction Technology
QCereator Anubhav Gupta

Q7. What is the final setting time of rapid Hardening Cement?
(a) 300 min.
(b) 450 min.
(c) 550 min.
(d) 600 min.
L1Difficulty 1
QTags Building Construction Technology
QCereator Anubhav Gupta

Q8. The piece of sawn timber whose dimensions do not exceed 5 cm either in breadth or in thickness is known as :
(a) Baulk
(b) Plank
(c) Scantling
(d) Batten
L1Difficulty 3
QTags Building Construction Technology
QCereator Anubhav Gupta

Q9. The paint which has high reflective property is :
(a) Cellulose paint
(b) Casein paint
(c) Bronze paint
(d) Enamel paint
L1Difficulty 2
QTags Building Construction Technology
QCereator Anubhav Gupta

Q10. Bulking is:
(a) increase in volume of sand due to moisture which keeps sand particles apart.
(b) Increase in density of sand due to impurities like clay, organic matter.
(c) Ramming of sand so that it occupies minimum volume.
(d) compacting of sand
L1Difficulty 2
QTags Building Construction Technology
QCereator Anubhav Gupta

 

Solutions

S1. Ans.(a)

S2. Ans.(a)

S3. Ans.(c)

S4. Ans.(b)
Sol. Texture of bricks is not mechanical property.

S5. Ans.(c)
Sol. Silica → 50% to 60%
Alumina → 20% to 30%
Lime → 2% to 5%
Oxide of Iron → 3% to 5%
Magnesium → 1%

S6. Ans.(b)

S7. Ans.(d)
Sol. Initial setting time of rapid Hardening cement = 30 min and Final setting time = 600 min.

S8. Ans.(d)

S9. Ans.(c)

S10. Ans.(a)

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