The primary function of a trap in a Water Closet (W.C.) system is to hold water, creating a seal that prevents foul sewer gases from entering the building.
Among the options provided, the P trap is specifically designed and commonly used for W.C. installations. Its shape allows it to effectively retain water after each flush, maintaining the necessary seal against sewer gases.
Therefore, the P trap is the correct choice for a W.C.
Morgenthau's principles of political realism are:
A. Politics is rooted in permanent and unchanging human nature which is basically self centred, self-regarding and self-interested
B. Politics is an autonomous sphere of action and cannot therefore be reduced to morals
C. International Politics is an arena of conflicting self-interests
D. The ethics of international relations is situational ethics which is very different from private morality
Choose the correct answer from the options given below:
Who among the following political thinkers consider the anarchical self help system to be a compelling factor for States to maximise their relative power positions?