TRADE COMPETENCY TEST                Student     Name _________________________________


• True or False •

1.	Hazardous concentrations of gas or vapor are not normally
		present in Class I, Division 1, locations.	T	F

2.       Locations where concentrations of explosive dust are likely
         to be encountered are designated as Class II, Division 1. T	F

3.	A location where cloth is woven should be designated as Class
		III, Division 1.	T	F
4.	Seals must be installed in conduit runs passing between two
		adjacent Class I, Division 2, rooms.	T	F

5.	General-use circuit breaker type lighting panels may be used
		in Class I, Division 2, locations.	T	F

6.	Open squirrel-cage induction motors which have no sliding
	contacts may be used in Class I, Division 1, locations.T	F

7.	Askarel-filled transformers may be used in Class II, Division 2,
		locations.	T	F

8.	Reasonably dust-tight receptacles for attachment plugs are
	acceptable in Class II, Division 1, locations.	T	F

9.	In a commercial garage, a stockroom whose floor level is 18 inches
           higher than that of the garage would normally be considered a
           non-hazardous area.	T	F
	
10.	Portable appliances used inside a hangar need be approved only
		for Class I, Division 2, locations.	T	F

11.	Open outside areas within 20 feet horizontally from an under-
	ground gasoline tank fill pipe shall be considered as a Class I,
	Division 2, location upward to a height of 18 inches.	T	F

12.	Open spaces within 20 feet horizontally of a gas-dispensing
	pump are designated as Class I, Division 1.	T	F