Cwt 100 - Study guides, Class notes & Summaries

Mechanics Exam Review-NEIEP Comprehensive Questions With 100%Correct Answers. A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12" sheave. What is required? - ANSWER-100 fpm/125 fpm= 12"/ X =15 A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? - ANSWER-Replace it with a larger MOV - 630 On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the brake. What is...

A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12" sheave. What is required? correct answers 100 fpm/125 fpm= 12"/ X =15 A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? correct answers Replace it with a larger MOV - 630 On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the brake. What is the issue? correct answers Suicide Circuit - 425 You have an...

An MOV burns out, you replace it but cannot read voltage or resistance. What should you do? - ACCURATE ANSWERReplace it with a larger one (630) On a Ward-Leonard circuit, the brake is set but the motor is trying to slip through the brake. What circuit is the issue? - ACCURATE ANSWERSuicide circuit (425) A Hydro runs up with no load but does not run up with a full load. What is the issue? - ACCURATE ANSWERThe relief valve is set too low (805) Runby for a 1:1 car hits the CWT buffer 4" ...

A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12" sheave. What is required? correct answers 100 fpm/125 fpm= 12"/ X =15 A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? correct answers Replace it with a larger MOV - 630 On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the brake. What is the issue? correct answers Suicide Circuit - 425 You have an...

A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12" sheave. What is required? - ️️100 fpm/125 fpm= 12"/ X =15 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 - 630 On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the brake. What is the issue? - ️️Suicide Circuit - 425 You have an old DC motor and are ad...

** An MOV burns out, you replace it but cannot read voltage or resistance. What should you do? - ️️Replace it with a larger one (630) * On a Ward-Leonard circuit, the brake is set but the motor is trying to slip through the brake. What circuit is the issue? - ️️Suicide circuit (425) ** A Hydro runs up with no load but does not run up with a full load. What is the issue? - ️️The relief valve is set too low (805) ** Runby for a 1:1 car hits the CWT buffer 4" below the top lan...

Elevator Mechanic Exam Review Questions with 100% Correct Answers – COMPLETE SOLUTION A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a 12" sheave. What sheave is required? - CORRECT ANSWER 125/100=1.25x12"=15" sheave A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? - CORRECT ANSWER Check circuit voltage On a Ward-Leonard circuit the break is set, but the motor is trying to slip...

1. RPM formula Answer: 60 x (Frequency) / (P/2) 2. # of counterweights formula Answer: 3. CWT Governor Tripping Speed Answer: Tripping speed should be 10% Higher then Car Govt Tripping Speed 4. Total CWT weight equals? Answer: Generally weight of the car plus 40% of capacity load. EX. 5000lb car with 2000lb capacity. CWT = 5k + 800(40% x 2k) = 5800 5. Watts (P) Answer: ExI RxI^2 E^2/R 6. Volts (E) Answer: RxI P/I Square root of PxR 7. Amps (I) Answer: Sqr Root of P/R P/E E/R 8. ...

Mechanics Exam Review-NEIEP with Complete Solution 2024 A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12" sheave. What is required? - - 100 fpm/125 fpm= 12"/ X =15 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 - 630 On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the brake. What is the issue? - - Suicide Circuit...

A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12" sheave. What is required? - 100 fpm/125 fpm= 12"/ X =15 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 - 630 On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the brake. What is the issue? - Suicide Circuit - 425 You have an old DC motor and are adding an SCR drive, wh...