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 top of the trap
C. The mica flap valve which opens inwards only, is fitted at the top of the inlet pipe
D. The water seal is less than that of ordinary traps
Related Mcqs:
- Pick up the incorrect statement from the following?
A. Lead is the average horizontal straight distance between the borrow pit and the place of spreading soil
B. The lead is calculated for each block of the excavated area
C. The unit of lead is 50 m for a distance upto 500 m
D. The unit of lead is 1 km where the lead exceeds 2 km - Pick up the incorrect statement from the following ?
A. No deduction is made for the volume occupied by reinforcement
B. No deduction is made for the openings upto 0.1 sq.m
C. No deduction is made for volumes occupied by pipes, not exceeding 100 sq.cm in cross-section
D. None of these - Pick up the incorrect statement from the following?
A. The built up covered area at the floor level of any storey of a building is called plinth area
B. The usable covered area of the rooms of any storey of a building is called carpet area
C. The carpet area of a building along with area of its kitchen, pantry, store, lavatory, bath room and glazed veranda, is called floor area
D. None of these - Pick up the incorrect statement from the following?
A. Dimensions are measured to the nearest 0.01 m
B. Areas are measured to the nearest 0.01 sq.m
C. Cubic contents are measured to the nearest 0.1 cum
D. Weights are measured to the nearest 0.001 tonnes - Pick up the correct statement regarding the centre line method of estimating a building?
A. Product of the centre line of the walls and area of cross-section of any item, gives total quantity of the item
B. The centre line is worked out separately for different sections of walls of a building
C. The centre line length is reduced by half the layer of main wall joining the partition wall
D. All the above - 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 - The slope of the outlet of ‘P trap’ below the horizontal is kept________________?
A. 8°
B. 10°
C. 12°
D. 14° - Pick up the correct statement from the following?
A. The incidental expenses of a miscellaneous character which could not be predicted during preparation of the estimate, is called contingencies
B. Additional supervising staff engaged at work site, is called work charged establishment
C. Detailed specifications specify qualities, quantities and the proportions of materials to be used for a particular item
D. All the above - Pick up the correct statement from the following?
A. All pipes and fittings are classified according to their diameters
B. The diameter of the pipes is the nominal diameter of internal bore
C. All pipes are measured along the centre line of the pipes in metres
D. All the above - 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, etc.
C. The gully trap disconnects the sullage drain from the main drainage system
D. The grating provided over gully traps is 23 cm square
