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RSMSSB-JE’21 CE: Daily Practices Quiz. 31-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. The quantities of white – washing is computed in-
(a) cu.m
(b) run.m.
(c) sq.m.
(d) kg

Q2. The minimum grade of concrete to be used in reinforced concrete as per IS 456-2000 is
(a) M 30
(b) M 25
(c) M 20
(d) M 15

Q3. The maximum safe permissible limit of sulphates in domestic water supply is
(a) 200 mg/l
(b) 600 mg/l
(c) 100 mg/l
(d) 500 mg/l

Q4. The ordinate of the instantaneous Unit Hydrograph (IUH) of a catchment at any time t, is
(a) the slope of the 1-hour unit hydrograph at that time
(b) the slope of the direct runoff unit hydrograph at that time
(c) difference in the slope of the S curve and 1 hour unit hydrograph
(d) the slope of the S curve with effective rainfall intensity of 1 cm/hr

Q5. Which one of the following expressions gives intermediate sight distance as per I.R.C. standards? (SSD: Stopping sight distance; OSD: Overtaking sight distance)
(a) 2OSD
(b) ((SSD+OSD))/2
(c) 2SSD
(d) ((OSD-SSD)/2)

Q6. Convert 2m³ to ft³
(a) 3.290 ft³
(b) 35.31 ft³
(c) 70.67 ft³
(d) 98.21 ft³

Solutions

S1. Ans.(c)
Sol.

S.No. Particular of item Units of measurement
1. Earthwork
2. Shutters of doors and windows
3. Concreting works
4. White, washing, pointing, DPC, painting, varnishing.
5. Cornice, plain pipe, rain water pipe. Running meter
6. Rivets, bolts, nuts, iron grills. Quintal

S2. Ans.(c)
Sol. As per IS 456-2000, The minimum grade of concrete used in Reinforced concrete is M20.

S3. Ans.(a)
Sol. The maximum safe-limits in domestic water supply are:
Chloride ≤ 250 mg/l
Nitrates ≤ 45 mg/l
Sulphates ≤ 200 mg/l
Fluorides ≤ 1.5 mg/l

S4. Ans.(d)
Sol. The ordinate of one Instantaneous unit hydrograph at any time ‘t’ is the slope of s – curve of intensity 1 cm/hr.

S5. Ans.(c)
Sol. As per IRC 66 : 1976–
The intermediate sight distance = 2 × SSD
SSD = Stopping sight distance

S6. Ans.(c)
Sol. 1ft³ = 0.0283 m³
1 m³ = 1/0.0283 ft^3
1m³ = 35.335 ft³
2m³ = 2 × 35.315 ft³
▭(2m^3=70.67 ft^3 )

 

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