mobile crane operator

Take a
Free Practice Test

Fill out our short 5 question quiz to discover how you would place on your crane operator certification written exams. Don’t be discouraged if the scores weren’t as you expected. California Crane School has prepared thousands of candidates on their crane operator certification journey with some of the highest pass rates.

After attending our course, come back to see how your results have improved!

From Application to Certification,
we’re with you every step of the way.

Complete the free quiz below to the best of your knowledge. If you don’t know an answer, leave it blank. Upon completion you will receive your scores.

line big

25. In which of the following situations is a signal person NOT required?

  • A.when the travel area, or placement area is not in full view

  • B.when specific precautionary steps must be followed

  • C.when the point of operation is in full view of the operator

  • D.when the direction of travel is obstructed

26. If someone other than the designated signal person becomes aware of a safety problem, how should they alert the operator or signal person?

  • A.using audible signals

  • B.alerting the superintendent

  • an emergency stop signal

  • D.telling the operator to get away from the hazard

27. Each voice signal must contain the following three elements in order of:

  • A.distance/ and or speed, direction, function

  • B.function, direction, distance/ and or speed

  • C.distance/ and or speed, function, direction

  • D.direction, function, distance/ and or speed

28. Before an employee goes to a location in the hazard area that is out of view of the operator, the employee must ensure that the operator:

  • A.has capability of radio communication

  • informed that he/she is going to that location

  • C.has capability of visual contact with the person

  • D.will not be making lifts in the area

29. When hoisting a suspended personnel platform a crane must be uniformly level within what percentage of level grade?

  • A.1

  • B.3

  • C.5

  • D.10

30. Boom-attached personnel platforms must not exceed what percent of the equipment’s radius and configuration?

  • A.25

  • B.50

  • C.75

  • D.85

31. When using two slings to rig up a load, what is the optimum safe sling angle?

  • A.30 degree

  • B.45 degree

  • C.55 degree

  • D.60 degree

32. To protect against forward stability failures, mobile cranes are capacity rated at levels ____ the tipping point.


  • B.above

  • C.below

  • D.well below

33. In demolition and underground construction, an accessible fire extinguisher of ____ rating, or higher, must be available at all operator stations or cabs.

  • A.5AB

  • B.5BC

  • C.6AB

  • D.6BC

34. Which of the following isn’t impacted by a dynamic load?

  • A.structural stability

  • B.ground pressure

  • C.increased load radius

  • D.increased boom length

line big

Please, provide your email to receive the test results.

Check your email for test results.

Your test is empty.