What are the definitions of "bulk carrier" and "oil tanker" for Enhanced Survey purposes?

MCA Oral Exam Questions

"Bulk carrier" means a ship which is constructed generally with single deck, top-side tanks and hopper side tanks in cargo spaces, and is intended to primarily carry dry cargo in bulk, and includes such types as ore carriers and combination carriers. 

"Oil tanker" means the oil tanker defined in regulation 1 of MARPOL Annex I as follows: "Oil tanker means a ship constructed or adapted primarily to carry oil in bulk in its cargo spaces and includes combination carriers and any "chemical tanker" as defined in Annex II of the present Convention when it is carrying a cargo or part cargo of oil in bulk".