Question

what should aluminum cable tray be coated with for use in a caustic environment?
pvc
rubber
latex paint
machinists oil

Explanation:

PVC (Poly - vinyl chloride) is a durable and chemically - resistant material. It can protect aluminum from caustic substances. Rubber may not offer the same level of long - term chemical resistance in caustic environments. Latex paint is not typically designed for high - level chemical protection. Machinist's oil is mainly for lubrication and short - term rust prevention, not for caustic environment protection.

Answer:

A. PVC