Random Questions

Question 1

What is the first step to perform routine maintenance on mechanical equipment?
A. Isolate and lock all energy sources.
B. Notify supervisor.
C. Isolate energy sources.
D. Read owner’s manual.

Answer 1

A. Isolate and lock all energy sources

Question 2

What is required when working from heights?
A. Hard hat.
B. Fall arrest equipment.
C. Safety glasses.
D. Steel-toed work boots

Answer 2

B. Fall Arrest Equipment

Question 3

What PPE is required when working in a high-traffic area?
A. Hearing protection.
B. Safety glasses.
C. High visibility clothing.
D. Steel-toed work boots.

Answer 3

C. High Visibility clothing

Question 4

Which type of tool is used to cut 16-gauge galvanized sheet metal?
A. Tin snips.
B. Locking pliers.
C. Side cutters.
D. Slip pliers.

Answer 4

A. Tin Snips

Question 5

What is the procedure to drill a 1-in hole in a mild steel plate?
A. Scribe mark material, drill pilot hole, then drill final bit size.
B. Drill pilot hole, then drill final bit size.
C. Make punch mark, drill pilot holes, then drill final bit size.
D. Scribe mark material, then drill final bit size.

Answer 5

C. Make punch mark, drill pilot holes, then drill final bit size.

Question 6

When using nylon web slings, which type of guard is used on sharp edges?
A. Personalised sleeves.
B. Softeners.
C. 4 plies of cardboard.
D. Plastic angles.

Answer 6

A. Personalised sleeves.

Question 7

Why is coolant or cutting oil used?
A. To speed up drill process.
B. To eliminate heat build-up.
C. To lubricate when drilling cast iron.
D. To contain metal filings when drilling.

Answer 7

B. To eliminate heat build-up.

Question 8

What is done to prepare a vertical surface before using a magnetic drill?
A. Rough up surface to create porosity.
B. Lubricate surface with low viscosity grease.
C. Ensure surface is clean and smooth.
D. Apply continuous spray of water.

Answer 8

C. Ensure surface is clean and smooth.

Question 9

Which tool is used to align rotating mechanical couplings?
A. Vernier calipers and magnetic bases.
B. Outside micrometer.
C. Dial indicator or a laser aligner.
D. Depth micrometer.

Answer 9

C. Dial indicator or a laser aligner.

Question 10

A conveyer belt is running out of line beneath a chute. What is the cause?
A. Belt tension is unbalanced.
B. Skirting is too close to belt.
C. Skirting is too far away from belt.
D. Scraper is out of alignment.

Answer 10

A. Belt tension is unbalanced.

Question 11

What is the included angle of a drill bit for general drilling?
A. 56°
B. 59°
C. 112°
D. 118°

Answer 11

D. 118°

Question 12

What is the procedure to replace an oil sight glass on a centrifugal pump?
A. Lock out, isolate, drain, then change oil sight glass.
B. Isolate, lock out, drain, then change oil sight glass.
C. Drain, lock out, isolate, then change oil sight glass.
D. Lock out, drain, isolate, then change oil sight glass.

Answer 12

B. Isolate, lock out, drain, then change oil sight glass.

Question 13

A diesel engine lacks power. What is the cause?
A. Oil level is excessive.
B. Engine temperature is above normal.
C. Alignment is out of specifications.
D. Valves are incorrectly adjusted.

Answer 13

D. Valves are incorrectly adjusted.

Question 14

A manual operated pump jack fails to secure a load. What is the cause?
A. Contaminated cylinder oil.
B. Leaking seals.
C. Piston diameter too small.
D. Fully extended piston.

Answer 14

B. Leaking seals.

Question 15

What is an effect of shaft misalignment?
A. Vibrations and damages to components.
B. Oil overheating.
C. Seal bulging.
D. Decrease in rpm.

Answer 15

A. Vibrations and damages to components.

Question 16

A return oil tank is pressurized. What is the cause?
A. Closed outlet valve.
B. Plugged vent.
C. Closed return valve.
D. Plugged drain.

Answer 16

B. Plugged vent.

Question 17

A single-stage compressor is functioning properly, but fails to maintain required air volume. What is the cause?
A. Usage demand too high.
B. Oversized compressor.
C. Excessive piston ring leakage.
D. Low crank case oil level.

Answer 17

A. Usage demand too high.

Question 18

A new blower fan is installed in a high temperature environment. Which type of drive is required?
A. Pneumatic drive.
B. Chain drive.
C. Direct drive.
D. Belt drive.

Answer 18

C. Direct drive.

Question 19

Which type of tool is used in an oxygen-enriched environment?
A. Chrome tools.
B. Carbon fibre tools.
C. Anti-sparking tools.
D. Rubber-protected tools.

Answer 19

C. Anti-sparking tools.

Question 20

A compressor in a dirty environment does not operate correctly and constantly overheats. What is the cause?
A. Plugged discharge.
B. Plugged intake.
C. Slipping belt.
D. Faulty tank input check valve.

Answer 20

D. Faulty tank input check valve.

Question 21

Internal components in pneumatic tools are rusting. What is the cause?
A. Incorrect tool oil.
B. Excessive tool oil.
C. Excessive ambient air temperature.
D. Moisture in air system.

Answer 21

D. Moisture in air system.

Question 22

A 36-in. pipe wrench is used to rotate a mild steel pipe. The pipe wrench continuously slips. What is the cause?
A. Pipe wrench too small.
B. Material build-up in between teeth.
C. Incorrect thimble setting.
D. Pipe wrench teeth are new.

Answer 22

B. Material build-up in between teeth.

Question 23

When welding mild steel plate with a 7018 rod, there is difficulty in maintaining an arc. What is the cause?
A. Damp rod.
B. Incorrect rod diameter.
C. No ground.
D. Wrong polarity.

Answer 23

D. Wrong polarity.