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UPSSSC-JE’21 CE: Daily Practice Quiz. 28-October-2021

Know your strengths and practice your concepts with this quiz on UPSSSC-JE Recruitment 2021. This quiz for UPSSSC-JE Recruitment 2021 is designed specially according to UPSSSC-JE Syllabus 2021.

Quiz: Civil Engineering

Each question carries 1 mark
Negative marking: 1/4 mark
Time: 8 Minutes

Q1. Air permeability test of cement is conducted to find the
(a) Ignition loss
(b) Specific gravity
(c) fineness
(d) unsoundness

Q2. Pick up the incorrect statement from the following.
(a) The bottom and top ends of slump mould are parallel to each other
(b) The mould is in the form of a frustum of hexagonal pyramid.
(c) The axis of the mould is perpendicular to the end faces.
(d) The internal surface of the mould is kept clean and free from set cement

Q3. The light weight aggregates are obtained from
(a) Volcanic source
(b) Igneous source
(c) Metamorphic source
(d) Sedimentary source

Q4. Disintegration of brick masonry walls is primarily due to
1. Calcined clay admixtures
2. Kankar nodules
3. Efflorescence
4. Magnesium sulphate in bricks
Which of the above statements are correct?
(a) 1, 3 and 4 only
(b) 1, 2, 3 and 4
(c) 2, 3 and 4 only
(d) 1 and 4 only

Q5. For high class brick masonry, which are the proper bricks?
(a) Modular bricks
(b) Refractory bricks
(c) Jump brick
(d) Bull nose bricks

Q6. The following three stages are known to occur in the biological action involved in the process of sludge digestion.
1. Acid fermentation
2. Alkaline fermentation
3. Acid regression
The correct sequence of three stages is
(a) 3, 1, 2
(b) 1, 2, 3
(c) 2, 3, 1
(d) 1, 3, 2


S1. Ans.(c)
Sol. Air permeability test of cement is conducted to find the fineness of cement. It measures surface area.

S2. Ans.(b)
Sol. Slump mould is in the shape of conical frustum.

S3. Ans.(a)
Sol. Most of the light weight aggregates are obtained from volcanic source.
Ex. Basalt, blast furnace slag, natural pumice etc.

S4. Ans.(c)
Sol. Disintegration of bricks is due to the presence of impurities such as stone, kankar nodules and efflorescence which may be due to presence of magnesium sulphate in the bricks.

S5. Ans.(a)
Sol. Modular bricks are the proper bricks for high class brick masonry.

S6. Ans.(a)
Sol. The correct sequence of three stages in sludge digestion process:
(i) Acid regression
(ii) Acid fermentation
(iii) Alkaline fermentation

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