Level 1 Mobile Crane Theory Exam Practice Questions - Version 1.1 - October 27, 2017

Sep 30, 2026

Level 1 Mobile Crane Theory Exam practice questions in Version 1.1 (October 27, 2017) introduce the format and wording of a representative exam. The material includes guidance that relevant diagrams are supplied with questions and that an accompanying figure booklet must be used, with an answer key provided at the end. Practice items cover regulatory minimum clearances to energized power lines, hand signals, radio protocol between crane operators, and safety inspection timing. Questions also assess rigging and lifting calculations, including sling sizing and load-weight and capacity estimations using geometry and unit conversions.

LanguageEnglish

CategoryExam

FormatPDF

Pages20

Reading Time50 min

AccessFree to download

Introduction

Practice Questions

Power line clearance

Hand signals and radio protocol

WorkSafeBC regulation coverage

Geometry and load calculations

Sling sizing and acceptable weight methods

Unit conversion and load weight/pipe volume

Crane inspection timing and capacity questions

LEVEL 1 MOBILE CRANE THEORY EXAM PRACTICE QUESTIONS Version 1.1 October 27, 2017 INTRODUCTION The following practice questions are representative of a Level 1 Mobile Crane Theory Exam. These will give you a good idea of how the questions are worded and structured. Please note that relevant diagrams are included with the practice question wherever possible. There is also an accompanying Level 1 Mobile Crane Theory Exam Practice Question Figure Booklet. Figures from this booklet are referenced in relevant questions as needed. Make sure that you have also downloaded this booklet. The answer key to all the questions is provided at the end of this document. PRACTICE QUESTIONS 1. According to Occupational Health and Safety Regulations, what is the minimum distance that must be maintained between a crane and a power line energized with 750v to 75 kv (75,000 volts)? a. 3 m (10 ft. ) b. 4.5 meters (15 feet) c. 6 meters (20 feet) d. 9 meters (30 feet) 2. What does the hand signal indicate in the figure below? a. Boom up b. Hoist up c. Load up d. Hold the swing 3. What is the radio protocol between a mobile piece of equipment and a tower crane sharing the same workplace? a. Mobile operator uses the site channel b. A separate radio with a mobile to tower crane frequency c. Mobile rigger maintains radio contact with tower crane rigger d. Mobile operator switches to tower crane frequency once on site 4. What does Part 3 of the WorkSafeBC Occupational Health and Safety regulation cover, if asan operator you are presented with a load to lift that you have concerns about? a. Wire rope rejection criteria b. Right to refuse unsafe work c. Storage of rigging equipment d. Weight distribution criteria of lifting devices 5. Using the Pythagorean Theorem, what is the unknown side (c) of the triangle in the figure below? Pythagorean Theorem: a2 + b2 = c2 a. 9.306 feet b. 9.801 feet c. 10.296 feet d. 12.661 feet 6. What is the load on each sling, when a load is being lifted as in the figure below? Load Weight = 10,000 Pounds Sling Length = 10 Feet Hook Height = 8 Feet a. 2,906 Pounds b. 3,015 Pounds c. 3, 125 Pounds d. 6,250 Pounds 7. What is the minimum size of the two chain slings required to lift a load weighing 12,000 pounds? The chain slings are in a double basket hitch configuration at a 60-degree angle. Refer to Figure 1. a. 1/4 inch b. 3/8 inch c. 1/2 inch d. 5/8 inch 8. What is the minimum size of wire rope slings required to lift a load weighing 10,000 pounds? The 2-Leg Bridle Hitch is choked at a 45-degree angle. Refer to Figure 1. a. 9/16 inch b. 5/8 inch c. 3/4 inch d. 7/8 inch 9. Which of the following is NOT an acceptable method for determining the weight of a load? a. Load indicator b. Bill of lading c. Test lifting the load d. Calculating the load weight 10. What is the equivalent of 10,030 pounds in kilograms? a. 3,057 kg b. 3,238 kg c. 4,554 kg d. 7,650 kg 11. Refer to the figure below. What is the weight of the steel plate in pounds? Steel = 490 pounds per cubic foot a. 1,673 pounds b. 1,899 pounds c. 2,112 pounds d. 2,207 pounds 12. Refer to the figure below. When calculating the weight of the heavy wall pipe, what is the volume in cubic metres? a. 6.525 b. 7.643 c. 8.390 d. 9.819 13. When must a pre-operational inspection of a crane be done? a. Weekly b. At the end of the shift c. At the start of the day d. At the start of each shift Refer to Figure 2 to answer questions 14-17. 14. What is the net capacity of the crane at a 7.32 metre radius? Weight of spreader bar – 75 kilograms Weight of rigging – 20 kilograms a. 8,105 kilograms b. 9,515 kilograms c. 10,735 kilograms d. 10,830 kilograms 15. What is the maximum radius the gross load can be placed at a height of 5.49 metres? Weight of load – 6,200 kilograms Weight of rigging – 75 kilograms a. 8.23 metres b

FAQs

What is the minimum distance required between a crane and an energized power line (750V to 75kV)?

The practice question asks for the minimum maintained distance according to Occupational Health and Safety Regulations, with options provided (3 m, 4.5 m, 6 m, 9 m).

What hand signal is being tested in the practice questions?

One question asks what the hand signal indicates, offering options such as boom up, hoist up, load up, or hold the swing.

When must a crane pre-operational inspection be done?

The practice question provides options including weekly, end of shift, start of the day, and start of each shift, and asks which timing applies.

Sep 30, 2026

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