Question

Which of the following is not a classification of traps based on their shape?

(a) P-trap

(b) Q-trap

(c) S-trap

(d) W-trap

Answer 1

The correct choice is (d) W-trap

To elaborate: Traps are classified into three types based on their shape. These are P-traps, Q-traps and S-traps. Q-traps are also known as half-S-traps. P-trap resembles the shape of letter P, Q-trap resembles the shape of letter Q and S-trap resembles the shape of letter S.