Description : In distribution pipes, drain valves are provided at (A) Lower point (B) Higher point (C) Junction points (D) Anywhere
Last Answer : (A) Lower point
Description : Air valves are generally provided in pressure pipes of water supply (A) At pipe junctions (B) At summits (C) At low points (D) Near service pipes
Last Answer : (B) At summits
Description : In distribution pipes, air valves are provided at (A) Lower points (B) Junction points (C) Higher points (D) Anywhere
Last Answer : (C) Higher points
Description : Sluice valves are fitted in a distribution system (A) Along straight length of pipes at suitable intervals (B) At the junctions of the pipes (C) At the branching off points of sub-mains (D) All the above
Last Answer : (D) All the above
Description : Pick up the incorrect statement regarding a master trap from the following: (A) It is provided in between the lower end of the house drain and the street sewer (B) It is provided a cleaning eye at the ... fitted at the top of the inlet pipe (D) The water seal is less than that of ordinary traps
Last Answer : (D) The water seal is less than that of ordinary traps
Description : The trap which is provided to disconnect the house drain from the street sewer is called (A) Master trap (B) Intercepting trap (C) Interception manhole (D) All the above
Description : Blow off cock is provided in steam boiler to (A) Guard the boiler in case of abnormal rise in steam pressure (B) Drain out water and sludge during its repair (C) Regulate the supply of water in boiler (D) Put out the fire in the furnace when the water level in the boiler falls to unsafe limit
Last Answer : (B) Drain out water and sludge during its repair
Description : Pressure relief valves are provided in water mains (A) To reduce the pressure (B) At low points (C) Upstream of sluice (D) All the above
Description : The sewer pipes A. Carry sewage as gravity conduits B. Are designed for generating self-cleansing velocities at different discharge C. Should resist the wear and tear caused due to abrasion D. All the above
Last Answer : ANS: D
Description : Pick up the in-correct statement from the following: A. Manholes are provided in sewer pipes at suitable intervals B. Catch basins are generally provided in sewers for carrying drainage discharge C. Inlets are generally provided in all sewers D. None of these
Last Answer : ANS: C
Description : Hydraulic mean radius is A. Mean radius of sewer B. Difference in heads between two points in circular pipes C. Mean of radii in a pipe line of varying cross -sections D. Cross-sectional area/wetted perimeter
Description : The hammer blow in pipes occurs when (A) There is excessive leakage in the pipe (B) The pipe bursts under high pressure of fluid (C) The flow of fluid through the pipe is suddenly brought to ... valve (D) The flow of fluid through the pipe is gradually brought to rest by closing of the valve
Last Answer : Answer: Option C
Description : Runoff is the quantity of water which flows (A) In sewer pipes (B) Due to leakage in pipes (C) In rivers (D) None of these
Last Answer : (C) In rivers
Description : ¾th or ¼th extra space is left in sewer pipes at maximum discharge for A. Low estimates of the average and maximum flows B. Large scale infiltration of storm water C. Unexpected increase in population D. All the above
Description : Sluice valves in main water supplies (A) Are used to regulate the flow of water in pipes (B) Are spaced about 5 km apart (C) Are usually placed at the summits (D) All the above
Description : Sewer pipes are made of (A) Earthen ware (B) Stone ware (C) Refractory clay (D) All the above
Last Answer : Answer: Option B
Description : Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for A. Unexpected large scale infiltration of stream water B. Unexpected increase in the population C. Under estimates of maximum and average flows D. All of the above
Description : Pick up the incorrect statement from the following: (A) The retaining wall should be structurally capable to resist the applied earth pressure (B) The section of the retaining wall should be so ... off water from the earth retained, weep holes are provided near the top of the retaining wall
Last Answer : Answer: Option D
Description : Weep holes are provided in retaining and breast walls (A) To drain off the water from the filling (B) To ventilate the stone masonry (C) To add architectural beauty (D) To increase compaction of the earth retained
Last Answer : Answer: Option A
Description : Which one of the following tests is used for testing sewer pipes? A. Water test B. Ball test C. Mirror test D. All of these
Description : Pick up the correct statement from the following: A. The water supply pipes carry pure water free from solid particles B. The water supply pipes get clogged if flow velocity is less than self ... carried up and down the hills and valleys D. The sewer pipes are generally laid along level hills
Last Answer : ANS: A
Description : Manometer is used to measure (A) Pressure in pipes, channels etc. (B) Atmospheric pressure (C) Very low pressure (D) Difference of pressure between two points
Description : Barometer is used to measure (A) Pressure in pipes, channels etc. (B) Atmospheric pressure (C) Very low pressure (D) Difference of pressure between two points
Description : Differential manometer is used to measure (A) Pressure in pipes, channels etc. (B) Atmospheric pressure (C) Very low pressure (D) Difference of pressure between two points
Description : Pick up the correct statement from the following: (A) Copper pipes are highly resistant to acidic and alkaline water (B) Wrought iron pipes are lighter than cast iron pipes (C) Wrought iron pipes corrode quickly and are less durable (D) All the above
Description : how jasmine root system will effect sewer pipes
Last Answer : Its advisible not to plant them near sewer pipes as they are quite extensive and the root system will always seek the nearest source of moisture, regardless of the form.
Description : Aerobic activity is maximum A. In freshly produced sewage B. At sewer pipes C. In sewer treatment plants D. None of these
Description : Sewer pipes need be checked for A. Minimum flow B. Maximum flow C. Both A. and B. D. None of these
Description : 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
Description : The porosity of sediments in sewer pipes, is usually taken as A. 0.010 B. 0.011 C. 0.012 D. 0.013
Description : You are asked to design sewer pipes of diameters 0.4 m to 0.9 m at maximum flow, you will assume the sewer flow running at A. Full depth B. Half full C. Two third full D. Three fourth full
Last Answer : ANS: B
Description : Pick up the correct statement from the following: A. The sewer pipes of sizes less than 0.4 m diameter are designed as running full at maximum discharge B. The sewer pipes of sizes greater than 0.4 m ... discharge C. The minimum design velocity of sewer pipes is taken as 0.8 m/sec D. All the above
Description : Pick up the incorrect statement from the following: (A) Tresguet did not provide the top camber for the drainage of surface water (B) Tresguet provided the top camber for the drainage of surface ... (D) Macadam provided a camber to the formation at the dug-up state, to drain percolated water
Description : Intermediate catch water drains are provided only, if (A) Catchment area of the watershed above road is large (B) Intensity of rainfall is heavy (C) Single catch water drain is inadequate (D) All the above
Description : The drain which is provided parallel to roadway to intercept and divert the water from hill slopes is known as (A) Sloping drain (B) Catch-water drain (C) Side drain (D) Cross drain
Description : Pick up the correct statement from the following: (A) In a gully trap, a water seal of 6 to 7.5 cm is provided (B) The gully trap collects waste water from the kitchen, sink, wash basins ... the sullage drain from the main drainage system (D) The grating provided over gully traps is 23 cm square
Last Answer : (B) The gully trap collects waste water from the kitchen, sink, wash basins, etc.
Description : Will it kill the pipes if I pour boiling-hot liquid down the drain?
Last Answer : I guess it depends on what you are looking to clear in the way of a clog. Acid (vinegar) can attack the metal of the pipe. But the problem is that it would never touch the pipe at least not in ... calcium or iron deposits off the pipes, the vinegar will do great. Other than that, I'd go with Drano.
Description : Is sulfuric acid safe to clean old cast iron drain pipes?
Last Answer : I'm not sure, I believe so though.
Description : Along a hill road, a side drain is provided on (A) Outer side of a spur curve (B) Outer side of a re-entrant curve (C) Outer side of both (a) and (b) (D) Inner side of both (a) and (b)
Description : Froude number is significant in (A) Supersonics, as with projectile and jet propulsion (B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. (C) Simultaneous motion ... gravity forces, and wave making effect, as with ship's hulls (D) All of the above
Description : Reynolds number is significant in (A) Supersonics, as with projectile and jet propulsion (B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. (C) Simultaneous motion ... gravity forces, and wave making effect, as with ship's hulls (D) All of the above
Description : Mach number is significant in (A) Supersonics, as with projectiles and jet propulsion (B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. (C) Simultaneous motion through ... gravity force, and wave making effects, as with ship's hulls (D) All of the above
Description : Service connections to consumers houses, are generally provided with (A) Copper pipes (B) Hume pipes (C) Galvanised iron pipes (D) P.V.C. pipe
Last Answer : (C) Galvanised iron pipes
Description : Pick up the correct statement from the following: (A) A combined footing is so proportioned that centre of gravity of supporting area coincides with centre of gravity of two column loads (B) A ... in shape (C) Trapezoidal shaped footings may be provided under any loading (D) All the above
Description : Do you advise?
Last Answer : Preferably a sauna. And why do you want to drain? Excessive drainage and non-replenishment of fluids can cause very serious health complications
Description : Why does my Android battery drain so quickly, is there a way to stop this from happening?
Last Answer : I think you used your phone very often maybe that is why.. But one the of the reason is that maybe you play games using it.
Description : A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is A. 0.30 m/sec B. 0.35 m/sec C. 0.40 m/sec D. 0.45 m/sec
Description : Barometer is used to measure (A) Velocity of liquid (B) Atmospheric pressure (C) Pressure in pipes and channels (D) Difference of pressure between two points in a pipe
Description : A differential manometer is used to measure (A) Atmospheric pressure (B) Pressure in pipes and channels (C) Pressure in Venturimeter (D) Difference of pressures between two points in a pipe
Description : A manometer is used to measure (A) Atmospheric pressure (B) Pressure in pipes and channels (C) Pressure in Venturimeter (D) Difference of pressures between two points in a pipe