Questions with Verified Answers & Detailed Rationales
Table of Contents
Exam Overview ...... 3
Section 1: Standard Workplace Safety, Materials & Tools – Questions 1–60 ...... 4
Section 2: Suspensions, Wheels & Systems – Questions 61–120 ...... 11
Section 3: Hydraulics I & Hydraulic Brake Systems – Questions 121–180 ...... 17
Section 4: Electrical I & Electronics I – Questions 181–240 ...... 23
Section 5: Air Brakes – Questions 241–300 ...... 29
Answer Key ...... 34
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Exam Overview
Examination: Alberta Heavy Equipment Technician (HET) First Period AIT Exam
Administering Body: Alberta Apprenticeship and Industry Training (AIT)
,Certificate: Heavy Equipment Technician (HET) – First Period
Prerequisites: 1500 hours work experience, 8 weeks classroom instruction (240 hours total)
Passing Mark: 65% cumulative weighted average across courses; 65% on final exam (70% if
challenging the exam)
Exam Format: Multiple-choice, theory-based; scenario-based questions
Exam Weighting by Section:
| Section | Weight |
|---------|--------|
| Standard Workplace Safety, Materials & Tools | 20 points |
| Suspensions, Wheels & Systems | 27 points |
| Hydraulics I & Hydraulic Brake Systems | 25 points |
| Electrical I & Electronics I | 26 points |
| Air Brakes | 22 points |
Primary Reference: Alberta Apprenticeship Training Profile, First Period
Key Subject Areas:
- Safety legislation, WHMIS 2015, PPE, LOTO, rigging, fire extinguishers
- Hand tools, power tools, precision measuring, oxyacetylene equipment
- Frame/suspension fundamentals, wheel bearings, tires, hubs, track systems
,- Hydraulic fundamentals, pumps, valves, cylinders, accumulators
- Electrical theory, Ohm's law, batteries, alternators, starters, sensors
- Air brake fundamentals, service/parking/emergency systems, ABS
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Section 1: Standard Workplace Safety, Materials & Tools
Questions 1–60
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Question 1
A first-year apprentice is preparing to grind metal without eye protection. What is the best
immediate response?
A) Allow them to continue since it is a quick job
B) Stop the task and require approved safety glasses or face shield before grinding
C) Tell them to stand farther away from the grinder
D) Reduce grinder speed so sparks are smaller
Answer: B) Stop the task and require approved safety glasses or face shield before grinding
Rationale: Grinding produces flying debris that can cause serious eye injury; PPE must be worn
at all times. Safety is never optional, regardless of job duration.
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, Question 2
What is the primary purpose of a pre-use inspection on a mobile crane before rigging a load?
A) To ensure the load chart is visible
B) To identify any structural damage or hydraulic leaks
C) To calculate the total weight of the load
D) To lubricate all moving parts
Answer: B) To identify any structural damage or hydraulic leaks
Rationale: A pre-use inspection catches safety hazards like cracks or leaks that could cause
catastrophic failure under load.
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Question 3
According to WHMIS 2015, which pictogram represents a gas under pressure?
A) Flame over circle
B) Gas cylinder
C) Exploding bomb
D) Health hazard
Answer: B) Gas cylinder
Rationale: The gas cylinder pictogram specifically indicates gases stored under pressure, which
can explode if heated.