Mechanic review - Study guides, Class notes & Summaries

CE025 mechanic review unit 702 Question and answers already passed What type of elevator control passes up hall calls in the down direction and down hall calls in the up direction? (705) Selective collective control Which of the following statements applies to two-speed AC drives? (705) VVVF modifications can greatly improve floor accuracy Which type of diagram provides a picture of the appearance and location of elevator parts? (705) Field wiring diagram Which of the following...

Mechanic Review

Mechanic Review Eligibility Course_100% A+ Graded with Updated and Correct Questions and Answers What percaution should you take before entering the step/treadway band of an escalator or moving walk? - CORRECT ANSWER-Lock out and tag out the mainline disconnect When pepering to install moving walks, you need to check th wellway-to-wellway. The print calls for a distance of 44044mm. What would the reading be using standard measurments? - CORRECT ANSWER-144' 6" What practices should be ...

Mechanic Review Eligibility Course with complete solution What precaution should you take before entering the step/treadway band of an escalator or moving walk? - ANSWER-Lockout and tag out the mainline disconnect When preparing to install moving walks, you need to check the wellway-to-wellway. The print calls for a distance of 44044mm. What would the reading be using standard measurements? - ANSWER-144' 6" What practices should be followed when initially lifting a load? - ANSWER-Initia...

Mechanic Review Exam Questions and Answers All Correct Energizing a relay coil ____ contacts that were normally open and ____ contacts that were normally closed - ANSWER closes , opens Making contacts are - ANSWER Normally open contacts Breaking contacts are - ANSWER normally closed contacts What happens to wire connections when you have AC Relay chatter - ANSWER AC relay chatter causes contacts to crystalize and break A better DC pow...

What is the best source for determining if a solvent is safe or not? correct answer: SDS A ladder needs to be extended 20 feet from the ground floor to the next landing, how far from the wall should the base of the ladder be? correct answer: 5 feet which procedure would you use to get into a pit to service an elevators oil buffer? correct answer: operate the bottom hoistway access switch When you are installing pit equipment, which two items are required by the ASME A17.1 code? corre...

What is the best source for determining if a solvent is safe or not? correct answer: SDS A ladder needs to be extended 20 feet from the ground floor to the next landing, how far from the wall should the base of the ladder be? correct answer: 5 feet which procedure would you use to get into a pit to service an elevators oil buffer? correct answer: operate the bottom hoistway access switch When you are installing pit equipment, which two items are required by the ASME A17.1 code? corre...

Mechanic Review Eligibility Course

Energizing a relay coil ____ contacts that were normally open and ____ contacts that were normally closed closes , opens Making contacts are Normally open contacts Breaking contacts are normally closed contacts What happens to wire connections when you have AC Relay chatter AC relay chatter causes contacts to crystalize and break A better DC power supply system that eliminates the dip to zero current at anytime 3 phase full wave rectifier system A contact on a relay that shorts ou...

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