Sp2 construction - Study guides, Class notes & Summaries

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 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 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 You have an o...

A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12" sheave. What is required? - ANS 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? - ANS 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? - ANS Suicide Circuit - 425 You have an old DC motor and are ad...

NACE EXAM 1(verified answers) graded A+ already passed !2023 Anode - correct answer the electrode of an electrochemical cell at which oxidation occurs? Anode - correct answer Electrons flow away from the ______ in the external circuit. Anode - correct answer Corrosion usually occurs and metal ions enter the solution at the ______? Cathode - correct answer The electrode of an electrochemical cell at which reduction is the principal reaction? Cathode - correct answer Electrons flow ...

Elevator Mechanic Exam Review Questions and Answers 2023 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 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 On a Ward-Leonard circuit the break is set, but the motor is trying to slip through the break...

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