Related Questions

If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains
A Hydrogen sulphide
B Carbon dioxide
C Methane
D Oxygen
Sewer ventilating columns are generally placed at
A Distances 150 m to 300 m
B Upper ends of branch sewers
C Every change in the size of sewers
D All the above
In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept
A 10.0
B 5.0
C 2.0
D 0.25
The minimum diameter of a sewer is kept
A 10 cm
B 15 cm
C 20 cm
D 25 cm
On sports day. if 30 children were made to stand in a column, 16 columns could be formed. If 24 children were made to stand in a column,how many columns could be formed?
A 45
B 20
C 22
D 29
On sports day, if 30 children were made to stand in a column, 16 columns could be formed. If 24 children were made a stand in a column, how many columns could be formed ?
A 40
B 20
C 22
D 30
Diameter of bubble caps used in high pressure columns is __________ as compared to that used in identical vacuum columns.
A Less
B More
C Same
D Either A or B; no generalisation can be made
The means of access for inspection and cleaning of sewer line is known as
A Inlet
B Manhole
C Drop manhole
D Catch basin
The arrangement made for passing the sewer line below an obstruction below the hydraulic gradient lines called
A Inverted syphon
B Depressed sewer
C Sag pipe
D all of these
Ventilating shafts are provided to a sewer line at every
A 100 m
B 150 m
C 200 m
D 300 m

Next steps