Mechanic review - Study guides, Class notes & Summaries

1. What type of elevator control passes up hall calls in the down direction and down hall calls in the up direction? (705) Answer: Selective collective control 2. Which of the following statements applies to two-speed AC drives? (705) Answer: - VVVF modifications can greatly improve floor accuracy 3. Which type of diagram provides a picture of the appearance and location of elevator parts? (705) Answer: Field wiring diagram 4. Which of the following symbols represents a field winding? (70...

Mechanic Review questions and answers 100% verified. Energizing a relay coil ____ contacts that were normally open and ____ contacts that were normally closed - correct s , opens Making contacts are - correct answers.Normally open contacts Breaking contacts are - correct lly closed contacts What happens to wire connections when you have AC Relay chatter - correct answers.AC relay chatter causes contacts to crystalize and break A better DC power supply system th...

Elevator Mechanic Review Eligibility Course Exam Graded A+ 2023

CE025 mechanic review unit 701- pre-exam 2024 graded A+

1. A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a 12" sheave. What sheave is required?: Diam=12" 12/4=3" 25fpm=3" 100fpm + 25fpm= 12"+3"= 15" sheave 2. A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do?: Replace it with a larger MOV 3. On a Ward-Leonard circuit the break is set, but the motor is trying to slip through the break. What is the issue?: Suicide Circuit 4. You have an old DC ...

1. A waveform that has unequal rise and fall times with one being instanta- neous is called a (blank) wave. Answer: Sawtooth 2. Refer to figure 1. Which of the following statements is correct? Answer: Si is lagging sine wave B. 3. Which of the following statements is correct regarding wye stator connec- tions? Answer: Ther is a neutral or common connection for all three phases 4. If a two-speed AC motor having a ratio of 8 Answer: 1 has a rated speed of 225 FPM, what is the leveling ...

Mechanic Review Eligibility Course with complete solution

Elevator Mechanic Exam Review Exam | Questions and Answers Graded A+ Latest 2024/2025 Know the formula for RPM - CORRECT ANSWER RPM = 60 ∙ ƒ ÷ P÷2 = Step 1. 60 x Frequency (Hz.) = Step 2. Poles ÷ 2 = Take answer 1 and ÷ by answer 2 = You are using a Temp Run Box and you get shocked! Why! 520 Pg. 4 - CORRECT ANS

Elevator Mechanic Exam Review Elevator Mechanic Study Questions with COMPLETE SOLUTIONS (LATEST) If rigging gear is roped 3:1 and a BEAM CLAMP is used to lift a 6,000lb load. What is the beam capacity? - CORRECT ANSWER 18,000lbs. Beam capacity is cut in half with use of clamp, when rigging all blocks, rope, and clamps will be Equal to the lowest load rating What are the consequences of misaligned joints on a Rack and Pinion? - CORRECT ANSWER Broken Gear teeth. CWT derailment. Excess...

Elevator Mechanic Exam Review Exam | Questions and Answers Graded A+ Latest 2024/2025 Know the formula for RPM - CORRECT ANSWER RPM = 60 ∙ ƒ ÷ P÷2 = Step 1. 60 x Frequency (Hz.) = Step 2. Poles ÷ 2 = Take answer 1 and ÷ by answer 2 = You are using a Temp Run Box and you get shocked! Why! 520 Pg. 4 - CORRECT ANSWER Bad Ground Scaffolding, You have 32' of rise, you are using 3x5 scaffolding. Where will the tie off points be