235 elevator control equipment installation Questions With Complete Solutions
Which is the best fire extinguisher to cover all types of fires in correct answer: ABC Which of the following is correct for the machine room? correct answer: A light switch must be located on the jamb side of the access door. Which statement is correct about hoist machines, control panels and MG sets in the machine room not in the view of the disconnect panels? correct answer: The NEC requires a manually operated switch adjacent to the equipment. How much higher must the counterweight governor tripping speed be set above the car governor? correct answer: No higher than 10 % The car governor tripping speed must not be set at less than what percent of the rated car speed? correct answer: 115% Which of the following statements is correct about electrical overspeed switches? correct answer: They must trip at not more than 90% of mechanical tripping speed for cars that travel above 150 to 500 fpm. If a car is rated at 900 ft/min., what is th
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- June 8, 2023
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235 elevator control equipment installation questi
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