West Virginia Contractors License Practice Exam

Disable ads (and more) with a membership for a one time $2.99 payment

Prepare for the West Virginia Contractors License Exam. Study with flashcards and multiple choice questions, each providing hints and explanations. Ace your exam!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

What type of furnace is specified to have a trap door requirement?

Unvented floor furnace
Vented floor furnace
Wall-mounted furnace
Gas furnace

The correct answer is: Vented floor furnace

A vented floor furnace is specified to have a trap door requirement because it is designed to allow the safe disposal of combustion gases while providing efficient heat distribution to the space. The trap door serves as an access point, ensuring that the furnace can effectively vent gases outside while also allowing for easy maintenance and cleaning. This is critical for safety and operational efficiency, preventing the buildup of harmful gases indoors. In this context, a vented floor furnace is specifically constructed to be installed in a floor space, where the trap door facilitates both the venting and access. The other types of furnaces mentioned do not universally require a trap door because they function differently or are installed in different configurations, either limiting the need for direct access like in wall-mounted or unvented designs.