10 exam-style questions with answers and explanations, straight from our 1,030-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.
The CET exam has 120 questions and runs 2 hours.
These 10 free CET questions are organized by exam domain, so you can see how each part of the Certified EKG Technician blueprint is tested. Reveal the answer and explanation under each question.
During a rope inspection a technician finds broken wires located in the valleys between strands. Compared with the same number of breaks at the crowns, valley breaks are generally considered:
Correct answer: D - More significant, because they indicate deterioration originating inside the rope
A traction elevator car exceeds its rated speed on a down run and the governor begins to act. Which of the following occurs FIRST?
Correct answer: A - The governor overspeed switch opens and removes power
A traction elevator is 2:1 roped and has a rated speed of 350 ft/min. The speed of the suspension ropes passing over the drive sheave is:
Correct answer: C - 700 ft/min
A hydraulic elevator levels accurately during the first runs of the morning but begins overshooting the landing by mid-afternoon. The MOST likely cause is:
Correct answer: C - Reduced oil viscosity as the oil warms during the day
A hydraulic elevator jack has a plunger 5 inches in diameter operating at a system pressure of 500 psi. The force developed by the plunger is approximately:
Correct answer: B - 9,800 lb
A technician arrives at a reported entrapment. Passengers are inside a car stopped roughly three feet above the second-floor landing. Before attempting any release, the technician's FIRST action is to:
Correct answer: B - Establish communication with the passengers and instruct them to remain in the car
The car door restrictor on a passenger elevator is provided to prevent the car door from being opened when the car is:
Correct answer: A - Stopped outside the door unlocking zone
Which article of the National Electrical Code covers conductors and equipment installed for elevators, dumbwaiters, escalators, and moving walks?
Correct answer: B - Article 620
A car will not run. With the control circuit energized, a technician measures 120 V across one set of contacts in the series safety string and 0 V across every other set. This indicates that:
Correct answer: D - The measured contacts are open
A smoke detector located in the third-floor elevator lobby of a six-story building initiates Phase I emergency recall. The elevators serving that lobby will:
Correct answer: C - Recall to the designated level and park with the doors open
The full bank has 1,020 more CET questions with explanations.
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