KNOWLEDGE REVIEW 
ANNUAL REFRESHER TRAINING 

1.	THE MOST COMMON CAUSE OF INJURY IN MINING IS: 

A.  ELECTRICITY 			B. SLIPS AND FALLS 
C.  HANDLING MATERIALS		D. HAND TOOLS

2.	THE MOST COMMON CAUSE OF FATAL INJURY IN MINING IS: 

A.  EXPLOSIVES		B.  GROUND FALL
C.  ELECTRICITY		D.  HAULAGE 

3.	THE.BODY PART MOST OFTEN INJURED IN MINING IN WYOMING IS:

A.  THE ARM		B. THE BACK		C. THE HEAD 
D.  THE LEG 

4.	FIRE EXTINGUISHERS AT SURFACE METAL/NONMETAL MINES MUST BE INSPECTED:

A.  MONTHLY			B.  EVERY 6 MONTHS
C.  QUARTERLY		D.  BOTH A&B 

5.	MSHA REQUIRES HARD HATS AND SAFETY GLASSES: 

A.	PORTAL TO PORTAL 
B.	OPERATING MOBILE EQUIPMENT 
C. IN CONTROL ROOMS
D. NONE ARE CORRECT 

6.	MSHA REQUIRES        HOURS OF NEW MINER TRAINING FOR CONSTRUCTION WORKERS: 

A. 0 		B. 24 	C. 16 	D. 8 

7.	MOST EXPLOSIVE ACCIDENTS/INJURIES ARE THE RESULT OF 

A.	PREMATURE DETONATION 
B.	HANDLING EXPLOSIVES IMPROPERLY 
C. FLYROCK		D. INSUFFICIENT WARNING 

8.	A BLASTING AGENT: 

A. CONTAINS NO EXPLOSIVE INGREDIENT 
B.  IS NOT CLASSED AS AN EXPLOSIVE BY THE D.O.T. 
C.	 BOTH A AND B ARE CORRECT 
D.	 NONE ARE CORRECT 

9.	PNEUMOULTRAMICROSCOPICSILICOVOLCANOCONIOSIS IS: 

A.	NOT EVEN A WORD 	B. BLACK LUNG DISEASE
C. MINERS' SILICOSIS 	D. SMALL VOLCANIC PARTICLES 

10.	WHICH OF THE FOLLOWING COULD BE THE DIRECT CAUSE OF AN ACCIDENT? 

A.	UNSAFE ACT 	B. MANAGEMENT DECISIONS
C. UNPLANNED ENERGY RELEASE 
D. UNSAFE CONDITION 

11.	WHICH OF THE FOLLOWING COULD BE THE INDIRECT CAUSE OF AN ACCIDENT? 

A.	MANAGEMENT DECISIONS 	
B. UNGUARDED MACHINE DRIVE 	C. ALCOHOLISM 
D. LACK OF JOB SAFETY TRAINING 

12.	   WHICH OF THE FOLLOWING COULD BE THE BASIC CAUSE OF AN ACCIDENT?

A.	NOT WEARING SAFETY GLASSES 
B. DRIVING TOO FAST
C. LACK OF JOB SAFETY TRAINING 
D. BOTH A AND B 

13.	UNSAFE ACTS AND CONDITIONS ARE CONSIDERED TO BE: 

A.	THE BASIC CAUSE OF ALL ACCIDENTS 
B.	THE EASIEST TO ELIMINATE IN THE WORKPLACE 
C.  SYMPTOMS OF FAILURE ON ANOTHER LEVEL 
D. THE DIRECT CAUSE OF ALL ACCIDENTS 

14.	WHICH OF THE FOLLOWING WOULID NOT BE CONSIDERED A BASIC CAUSE OF AN ACCIDENT? 

A. DEPRESSION 	B. INDIVIDUAL SIZE AND STRENGTH 
	C. HORSEPLAY	
D. NOT CONDUCTING SAFETY MEETINGS 

15.	IT IS GENERALLY ACCEPTED THAT 		 % OF ACCIDENTS ARE PREVENTABLE. 

A. 88% 	B. I 00%	C. 98% 	D. 78% 

16.	BREATHING AIR THAT CONTAINS 13% TO 17% OXYGEN COULD CAUSE:

A.	UNCONSCIOUSNESS 	B. BUZZING IN THE EARS
C. RAPID HEARTBEAT 		D. EITHER B. OR C.

17.	IF A MINER, MINER REPRESENTATIVE, OR APPLICANT FOR EMPLOYMENT AT A MINE THINK THEY HAVE BEEN DISCRIMINATED AGAINST PER THE "ACT" OF 1977, THEY HAVE 	      DAYS TO FILE A COMPLAINT WITH THE U.S. SECRETARY OF LABOR .

A. 60 	B. 30	C. 90 	D. 120 

18.	THE SECRETARY OF LABOR WILL WRITE TO YOU WITHIN 	      DAYS OF RECEIVING YOUR COMPLAINT TO GIVE YOU HIS/HER DETERMINATION AS TO WHETHER OR NOT YOUR RIGHTS WERE VIOLATED. 

A. 60 	B. 90	C. 30 	D. 120 

19.	IF THE SECRETARY FEELS NO VIOLATION HAS OCCURRED, YOU HAVE 	 DAYS TO FILE AN ACTION OF YOUR OWN DIRECTLY WITH THE FEDERAL MINE SAFETY AND HEALTH REVIEW COMMISSION. 

A. 60 	B. 30 	C. 90 	D.  120 

20.	EVERY SURFACE MINE MUST FILE A PLAN FOR REMOVING COAL AND HAVE THE PLAN APPROVED BY MSHA, THIS IS CALLED A: 

	A. MINING PLAN 	B. HEALTH& SAFETY PLAN
	C. OPERATIONAL PLAN 
D. GROUND CONTROL PLAN 

21.	ACCORDING TO MSHA, BLASTING MUST BE UNDER THE SUPERVISION OF 

A.	AN EXPERIENCED BLASTER
B.	A CERTIFIED BLASTER			
C.	A STATE LICENSED BLASTER
D.	A CERTIFIED FOREMAN

22.	CASES OF EXPLOSIVES STORED IN MAGAZINES SHALL NOT BE STACKED MORE THAN         FEET HIGH, 

A. FOUR	 	B.  SIX		C. EIGHT  
D. BOTH B. AND C. ARE CORRECT 

23.	WHEN ELECTRIC BLASTING CAPS HAVE SEEN USED, PERSONS SHALL NOT RETURN TO MISFIRED HOLES FOR AT LEAST, 

A. FIFTEEN MINUTES	B. THIRTY MINUTES
C.  ONE HOUR 		D.  ONE DAY 

24.	A LEDGE, SMALL TERRACE, OR SECTION.OF FLOOR ON A STEEP HILLSIDE OR HIGHWALL IS CALLED A:

A. BARRIER		B.  BOX CUT
C. BENCH 		D. SLOPE 

25.	A TYPE OF SLOPE FAILURE THAT OCCURS IN HIGHWALLS DISTINGUISHED BY STRATA, OR LAYERS, OF DIFFERENT KINDS OF MATERIALS IS CALLED A:

A. ROTATIONAL SHEAR	B. ROCK FALL
C. PLANE SHEAR			D. RAVELING 

26.	AN EXPLOSIVE MATERIAL CONTAINING SUBSTANTIAL AMOUNTS OF OXIDIZERS DISSOLVED IN WATER DROPLETS, SURROUNDED BY AN IMMISCIBLE (incapable of blending or mixing) FUEL IS CALLED; 

A. PRILL				B. SLURRY
C. EMULSION			D. ANFO

27.	A BLAST SITE IS DEFINED AS AN AREA WHERE HOLES ARE BEING LOADED AND WITHIN         FEET IN ALL DIRECTIONS. 

A. 200	B. 100	C. 150 	D. 50 

28.	GROUND CONDITIONS AT SURFACE MINES SHALL HE EXAMINED BY:

A.	CERTIFIED PERSONS
B.	EXPERIENCED PERSONS
C.	BOTH A. & B. 
D. MINE SUPERINTENDENT 

29.	A FLAMMABLE LIQUID; 

A. HAS A FLASH POINT LESS THAN 100 DEGREES F.
B. HAS A FLASH POINT LESS THAN 37.8 DEGREES C.
C. IS KNOWN AS A CLASS I LIQUID
D. ALL ARE CORRECT 

30.	CLASS IIIB LIQUIDS HAVE FLASH POINTS AT OR ABOVE 		  DEGREES F. 

A. 200		B. 140
C. 300		D. NONE ARE CORRECT 

31. 	WHEN A HAZARD TO THE EYES EXIST, MSHA REQUIRES MINERS TO WEAR: 

A. GOGGLES			B. FACE SHIELDS
C. SAFETY GLASSES	D. SUITABLE EYE PROTECTION

32.	MSHA ALLOWS PERSONS TO RIDE OUTSIDE THE CABS OR BEDS OF MOBILE EQUIPMENT FOR PURPOSES OF: 

A.	TRAINING, TESTING, MAINTENANCE
B.	IS NOT ALLOWED
C.	TRANSPORTING MINERS
D. BOTH A. AND C. 

33.	SEAT BELTS DO NOT NEED TO BE WORN IN MINING EQUIPMENT WHEN: 

A.	THE BLADE OPERATOR IS STANDING 
B.	THERE IS NO ROPS 
C.	BOTH A. AND B.
D.	ALL ARE WRONG

34.	WHEN BACKING, MOBILE EQUIPMENT ON MINE PROPERTY MUST HAVE:

A.	AUTOMATIC BACK ALARM
B.	WHEEL MOUNTED BELLS
C.	AN OBSERVER TO SIGNAL
D.	ALL ARE CORRECT

35.	LOADS EXTENDING BEYOND THE BEDS OF VEHICLES MUST BE MARKED WITH A LIGHT OR FLAG IF THE LOAD EXTENDS MORE THAN 	 FEET.

A. 3 		B. 6 		C. 4 		D. 2 

36.	WHAT IS THE MINIMUM OXYGEN CONTENT ALLOWED BY MSHA IN THE AIR WE BREATH?

A. 21%				B. 23%
C. 19.5%				D. 13%

37.	REGARDING GETTING ON OR OFF OF MOVING MOBILE EQUIPMENT, WHAT IS THE MSHA RULE?

A.	YOU CANNOT DO IT
B.	YOU CAN IF YOU PRACTICE AND ARE GOOD AT IT
C.	YOU CAN IF YOU ARE A TRAINMAN, BRAKEMAN OR CAR DROPPER
D.	YOU CAN IF THE FOREMAN APPROVES IT

38.	WHEN MANUALLY MOVING ENERGIZED POWER CABLES OF 150 VOLTS OR MORE:

A.	THEY MUST BE HANDLED WITH INSULATED HOOKS OR TONGS
B.	THEY CAN BE HANDLED BY HAND IF YOU ARE A QUALIFIED ELECTRICIAN
C.	YOU CANNOT MOVE POWER CABLES MANUALLY
D.	YOU MUST WEAR THE PROPER PROTECTIVE GLOVES

39.	REGARDING PRE-OPERATION EQUIPMENT CHECKS, WHAT IS THE MSHA RULE?

A.	IT HAS TO BE DONE IF IT IS COMPANY POLICY
B.	IT IS REQUIRED TO BE COMPLETED BEFORE EQUIPMENT IS OPERATED
C.	IT IS ONLY DONE WHEN THERE IS TIME
D.	IT IS ONLY NECESSARY WHEN THERE ARE EQUIPMENT DEFECTS.

40.	HOW SHALL FORK LIFTS BE OPERATED?

A.	WITH THE UPRIGHT TILTED BACK TO SECURE LOAD
B.	WITH THE LOAD IN THE UPGRADE POSITION
C.	WITH THE LOAD ENGAGING DEVICE DOWNGRADE WHEN TRAVELING UNLOADED
D.	ALL OF THE ABOVE

41.	FIRST AID TRAINING SHALL BE:

A.	REQUIRED FOR SELECTED SUPERVISORY STAFF
B.	CONDUCTED IF THE COMPANY THINKS IT IS IMPORTANT
C.	MADE AVAILABLE TO ALL INTERESTED EMPLOYEES
D.	BOTH A & C ARE CORRECT

42.	WHEN STARTING CONVEYORS:

A.	THE OPERATOR MUST LET EVERYONE KNOW
B.	WARNING LIGHTS OR SIGNALS SHALL WARN PERSONNEL
C.	A VISUAL CHECK MUST BE MADE 
D.	BOTH B & C ARE CORRECT

43.	WHEN SAFETY DEFECTS MAKE CONTINUED EQUIPMENT OPERATION HAZARDOUS:

A.	THE EQUIPMENT SHALL BE TAKEN OUT OF SERVICE
B.	THE EQUIPMENT SHALL BE TAGGED OUT
C.	BOTH A & B ARE CORRECT
D.	IT IS PERMISSIBLE TO RUN IT UNTIL REPAIR PARTS ARE AVAILABLE

44.	HOW SHALL CAB WINDOWS BE MAINTAINED?

A.	SHALL BE OF SAFETY GLASS OR EQUIVALENT MATERIAL
B.	SHALL BE MAINTAINED TO PROVIDE VISIBILITY FOR SAFE OPERATION
C.	BOTH A & B ARE CORRECT
D.	THERE ARE NO SPECIFIC RULES FOR CAB WINDOWS

45.	PULLEYS OF CONVEYORS SHALL NOT BE CLEANED MANUALLY:

A.	WITH A SHOVEL	
B.	WHILE THE CONVEYOR IS IN OPERATION
C.	WITHOUT APPROPRIATE HAND PROTECTION
D.	WITHOUT AN EMERGENCY PULL CORD

46.	WHAT HIGHLY TOXIC GROUP OF GASES ARE CHARACTERIZED BY A REDDISH-BROWN COLOR?

A.	NOx (OXIDES OF NITROGEN)
B.	SO2 (SULFUR DIOXIDE)
C.	N2 (NITROGEN)
D.	H2S (HYDROGEN SULFIDE)

47.	WHAT TOXIC GAS HAS AN EXPLOSIVE RANGE OF 12.5% TO 74%?

A. H2 (HYDROGEN)	B. CO (CARBON MONOXIDE)
C. CO2 (CARBON DIOXIDE)		D. N2 (NITROGEN)

48.	POWER DRILLS, GRINDERS, CIRCULAR AND CHAIN SAWS AND SIMILAR EQUIPMENT WHEN USED IN THE HAND-HELD MODE SHALL BE EQUIPED WITH:

A.	3 PRONG PLUGS	
B.	CONSTANT PRESSURE SWITCHES
C.	DOUBLE INSULATION	D. EXTENSION CORDS

49.	WHAT EXPLOSIVE GAS FOUND AROUND BATTERY CHARGING STATIONS HAS AN EXPLOSIVE RANGE OF 4.1% TO 74%?

A. H2 (HYDROGEN)	B. H2S (HYDROGEN SULFIDE)
B. N2 (NITROGEN)		D. O2 (OXYGEN)

50.	ELECTRICALLY POWERED EQUIPMENT SHALL BE 			 BEFORE MECHANICAL WORK IS DONE.

A. LOCKED OUT		B. DE-ENERGIZED
C. SHUT OFF			D. BOTH A & B