Civil Engineering
2020 · Paper 1
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Complete GATE CE 2020 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 64–65 of 65. Imported answers require review unless explicitly marked reviewed.
Question 54
Open questionCENAT2 marksNeeds review
A stream with a flow rate of 5 m
/s is having an ultimate BOD of 30 mg/litre. A wastewater discharge of 0.20 m
/s having BOD
of 500 mg/litre joins the stream at a location and instantaneously gets mixed up completely. The cross-sectional area of the stream is 40 m
which remains constant. BOD exertion rate constant is 0.3 per day (logarithm base e). The BOD (in mg/litre, round off to two decimal places) remaining at 3 km downstream from the mixing location, is _____.Log in to check the answer
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Open questionCENAT2 marksNeeds review
The lengths and bearings of a traverse PQRS are:
Segment | Length (m) | Bearing |
|---|---|---|
PQ | 40 | 80° |
QR | 50 | 10° |
RS | 30 | 210° |
The length of line segment SP (in m, round off to two decimal places), is _____.
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