The concussive or violently shaking type fitted _______ for the flushing of WC pans leads to vibration.
(a) Spouts
(b) Slab
(c) Toilets
(d) Push cocks
The question was asked in an interview for job.
Query is from Water Leakage topic in division Damp Proofing, Water Proofing and Termite Proofing of Construction & Building Materials