🏗️Civil Engineering MCQs
Civil Engineering MCQs
479 MCQs171
For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of___________________?
A100 cm
B120 cm
C140 cm
D160 cm
172
The following is the physical characteristic of sewage___________________?
ATurbidity
BColour
COdour
DAll the above
173
Fresh sewage is generally_____________________?
AAlkaline
BAcidic
CHighly decomposed
DA source of objectionable odour
174
For detecting the nitrites in the sewage, the matching colour may be developed by adding_________________?
APotassium permanganate
BSulphuric acid and napthamine
CPhenol-di -sulphuric acid potassium hydroxide
DNone of these
175
The laying of sewers is done with____________________?
AMagnetic compass
BTheodolite
CLevel
DClinometer
176
The settlement velocity of a solid (diameter 0.5 mm, specific gravity 1.75) in water having temperature 10°C, is______________________?
A213.5 cm/sec
B313.5 cm/sec
C413.5 cm/sec
D500 cm/sec
177
For estimating the peak run off the rational formula Q = 0.0278 KpA was evolved by______________?
AKinchling
BLloyd Davis
CFrubling
DAll the above
178
The most effective arrangement for diverting excess storm water into a natural drainage, is____________________?
ALeaping weir
BOverflow weir
CSiphon spill way
DNone of these
179
A circular sewer section is preferred to because__________________?
AIt is cheaper in construction
BIt provides maximum area for a given perimeter
CIt provides maximum hydraulic mean depth
DAll the above
180
In a city the ratio of the drainage to sewage is 20, the percentage discharge passing through non-monsoon periods, is_____________________?
A5
B10
C15
D20