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RSMSSB-JE’21 CE: Daily Practices Quiz. 30-Aug-2021

As RSMSSB JE exam date 2021 is announced which is going to be held on 12th September 2021. As RSMSSB JE exam date 2021 is nearby so boost your preparation by attempt this Civil Engineering miscellaneous quiz for RSMSSB JE recruitment 2021.

Quiz: Civil Engineering
Exam: RSMSSB-JEn
Topic: Miscellaneous

Each question carries 1 mark
Negative marking: 1/3 mark
Time: 8 Minutes

Q1. If 1 acre equals 100 m^2 and 100 hectare equals 1 km^2, then 1km^2 equals ……… m^2.
(a) 10,000
(b) 1,00,000
(c) 10,00,000
(d) 1,000

Q2. A floor using 3-6 mm marble chip is known as
(a) Marble floor
(b) Chip floor
(c) Mosaic
(d) Terrazzo floor

Q3. The pressure in Pascals at a depth of 1 m below the free surface of a body of water will be equal to
(a) 1 Pa
(b) 98.1 Pa
(c) 981 Pa
(d) 9810 Pa

Q4. Consider the bending equation given below
σ/Y=M/I=E/R
The term R is known as __________.
(a) Mass moment of inertia
(b) Area moment of inertia
(c) Radis of curvature
(d) shear stress

Q5. The maximum diameter of the reinforcement bars in R. C. C. slabs is –
(a) 20 mm
(b) 16 mm
(c) Thickness of slab/8
(d) Span

Q6. If D_60,D_30 and D_10 of sizes of a soil grading are 4 mm, 2 mm and 0.5 mm, what will be the coefficient of uniformity of this soil?
(a) 0.5
(b) 1
(c) 2
(d) 8

Solutions

S1. Ans.(c)
Sol. 1 km² = 1000 × 1000 m²
1 km² = 10,00,000 m²

S2. Ans.(d)
Sol. Terrazzo is small decorative chips embedded in cement paste. The chips may be of glass, marble etc. Along with chips, marble powder or magnesite powder is also added. A floor using 3-6 mm marble chips is known as terrazzo floor.

S3. Ans.(d)
Sol. Pressure (P) = ρ.gh
= 1000×9.81×1
= 9810 Pa.

S4. Ans.(c)
Sol. Bending moment equation
M/I=σ/y=E/R
Here,
M = bending moment
I = moment of inertia
σ = bending stress
y = distance from neutral axis
E = modulus of elasticity
R = Radius of curvature

S5. Ans.(c)
Sol. → Maximum diameter of main bars in slab equal to 10 mm.
→ Diameter of main bar ≯1/8× thickness of slab.

S6. Ans.(d)
Sol.
D_60=4mm
D_30=2mm
D_10=0.5mm
Coefficient of uniformity (C_u )=D_60/D_10
=4/0.5
=8

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