NHPC-JE'21 CE: Daily Practices Quiz. 08-Nov-2021 |_00.1
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NHPC-JE’21 CE: Daily Practices Quiz. 08-Nov-2021

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

Quiz: Civil Engineering
Exam: NHPC-JE
Topic: Miscellaneous

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

Q1. The method of growing crop on running on the sides of water ditches used in certain agricultural field is called as?
(a) Drip Irrigation
(b) Flood irrigation
(c) Furrow irrigation
(d) Check irrigation

Q2. In limit state method of design, for bars in compression the values of bond stress shall be:
(a) Decreased by 20%
(b) Increased by 25%
(c) Decreased by 25%
(d) Increased by 20%

Q3. While connecting structural steel plates with rivet, the ratio of the maximum cross pitch to the thickness of the plates connected should be-
(a) 12
(b) 16
(c) 4
(d) 32

Q4. The brick work is measured in square meter, in case of
(a) Honey comb brick work
(b) Brick flat Soling
(c) Half brick walls or the partition
(d) All options are correct

Q5. The presence of which of the following is a reason for temporary hardness of water?
(a) Chlorides
(b) Carbonates
(c) Nitrates
(d) Sulphates

Q6. If the rocks are formed due to alteration of original structure under heat and excessive pressure, then they are known as _________.
(a) Igneous
(b) Sedimentary
(c) Volcanic
(d) Metamorphic

Solutions

S1. Ans.(c)
Sol. Furrow irrigation method of growing crop on running on the sides of water ditches used in certain agricultural field. furrow is very long narrow channel which carries water along the field.

S2. Ans.(b)
Sol. Table of bond stress in IS code given for plain bars in tension.
→ for HYSD bar in tension increase the value by 60%
→ for bars in compression the value is increased by 25%

S3. Ans.(d)
Sol. Minimum pitch = 2.5d
Maximum pitch =
1.Tension = (16t,200)_(min.)
2.Compression = (12t,200)_(min.)
3.For tacking rivets are provided in line = (32t,300)_(min.)
4.Plates are exposed to weather = (16t,200)_(min.)

S4. Ans.(d)
Sol. Generally, the brick work is measured in terms of m³. but in case of honey comb brick work, brick flat soling, half brick wall or partition wall then, it is measured in m².

S5. Ans.(b)
Sol. Hardness of water is due to the presence of multivalent cation.
Major ion → Ca^(+2),Mg^(+2)
Minor ion → Al^(+3),Sr^(+2),Mn^(+2),Fe^(+2)

NHPC-JE'21 CE: Daily Practices Quiz. 08-Nov-2021 |_40.1

S6. Ans.(d)
Sol. Metamorphic rocks are formed by the change in character of the original rocks when subjected to great heat and pressure.
Ex.

Rock Classification Rock After

Metamorphism

Granite Igneous Gneiss
Basalt Igneous Laterite/schist
Limestone Sedimentary Marble
Mudstone Sedimentary Slate
Sandstone Sedimentary Quartzite
Shale Sedimentary Slate

 

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