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Prevents escape of foul sewer gases from a water closet:

AAir gap

BVent pipe

CGully trap

DP trap

Answer:

D. P trap


Related Questions:

The openings provided along the sewer line at suitable intervals are called:
In India as per Indian Standards water consumption per day for domestic purpose is:
The valves installed on the delivery side of the pumping set so as to prevent the back flow of stored or pumped water when the pump is stopped is called:
The trap which is not used in house drainage system is:
A hand tool which is used to hold and grip the pipe is known as: