NHPC-JE'21 CE: Daily Practices Quiz. 28-Sep-2021 |_00.1
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NHPC-JE’21 CE: Daily Practices Quiz. 28-Sep-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. Which of the following grades of bitumen is the most suitable for a 7-day maximum average air temperature of 15°C?
(a) VG10
(b) VG20
(c) VG30
(d) VG40

Q2. The water pressure per metre length on a vertical masonry wall of dam will be
(a) wH/2
(b) wH
(c) wH²/4
(d) wH²/2

Q3. When mild steel conforming to grade II is to be used with the design details having been worked out on the basis of grade I steel, the area of reinforcement should:
(a) be decreases by 10%
(b) be increase by 10%
(c) be increases by 20%
(d) remain the same as it is

Q4. What is non-sway frame?
(a) transverse displacement of one end of member relative to another end is not effectively prevented
(b) longitudinal displacement of one end of member relative to another end is not effectively prevented
(c) transverse displacement of one end of member relative to another end is effectively prevented
(d) longitudinal displacement of one end of member relative to another end is effectively prevented

Q5. In a building drawing, for a load bearing brick wall of 300 mm thickness, the depth of concrete block by using the rule of thumb may be taken as
(a) 200 mm
(b) 225 mm
(c) 250 mm
(d) 275 mm

Q6. Side face reinforcement is provided in a beam when the depth of web exceeds
(a) 300 mm
(b) 450 mm
(c) 500 mm
(d) 750 mm

Solutions

S1. Ans.(a)
Sol. VG 10 ⇒ Most suitable for a 7-day maximum average air temperature of 15°C and also used in spraying application such as surface dressing and paving.
VG–20 ⇒ Used for paving in cold climate.
V-30 ⇒ Used construct extra heavy-duty bitumen pavements.
VG-40 ⇒ Used in highly stressed area.

S2. Ans.(d)
Sol. The water pressure per metre length on a vertical masonry wall of dam will be 1/2 wH² which is acts H/3 from the base of dam.
Where,
w= unit weight of water
H= Total head or seepage head.

S3. Ans.(b)
Sol. When mild steel conforming to grade II is to be used with the design details having been worked out on the basis of grade I steel, there the area of reinforcement should be increases by 10%.

S4. Ans.(c)
Sol. In sway frame, transverse displacement of one end of member relative to others end is not effectively prevented while in non-sway frame, transverse displacement of one end of member relative to others end is effectively prevented.

S5. Ans.(c)
Sol. Depth of concrete block = 5/6 T
For 300 mm thickness of brick wall-
The depth of concrete block = 5/6×300
=250 mm.

S6. Ans.(d)
Sol.
→ When depth of the beam exceeded 450 mm and torsion is also applied then side face reinforcement provided
→ When depth of the beam exceeded 750 mm then side face reinforcing provided.
→ Total area of side face reinforcement equal to 0.1% of gross area.

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