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Electric Heat ESCO - HVAC Excellence Exam Study Guide with Complete Solutions $9.99   Add to cart

Exam (elaborations)

Electric Heat ESCO - HVAC Excellence Exam Study Guide with Complete Solutions

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  • ESCO
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Electric Heat ESCO - HVAC Excellence Exam Study Guide with Complete Solutions Before working on an electric furnace the tech should - Answer️️ -Review diagram, remove jewelry, and follow safety procedures. ALL OF THE ABOVE. A GFCI circuit breaker - Answer️️ -detects current leaks to gr...

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  • August 27, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ESCO
  • ESCO
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SophiaBennett
©SOPHIABENNETT@2024-2025 Monday, August 19, 2024 12:35 AM

Electric Heat ESCO - HVAC Excellence Exam
Study Guide with Complete Solutions

Before working on an electric furnace the tech should - Answer✔️✔️-Review
diagram, remove jewelry, and follow safety procedures. ALL OF THE
ABOVE.

A GFCI circuit breaker - Answer✔️✔️-detects current leaks to groound

the conductor in an electric heat element is usually made of - Answer✔️✔️-
Nichrome

An example of resistive load is - Answer✔️✔️-crankcase heater

an example of an inductive load is - Answer✔️✔️-motor

an electric furnace is marked 208/230 single phase 60Hz A tech reads 200
vac at the power supply and determines - Answer✔️✔️-the voltage is too
low

voltage imbalance between any leg of 3 phase power supply may not
exceed - Answer✔️✔️-2%

the limit switch on an electric furnace is a - Answer✔️✔️-Automatic reset
switch

the sequencer timers on electric heater will usually energize the 1st heating
element after a time delay of - Answer✔️✔️-1 to 30 sec



Page 1 of 11

, ©SOPHIABENNETT@2024-2025 Monday, August 19, 2024 12:35 AM

the amount of btus produced by 1 watt of electricity is - Answer✔️✔️-3.413
btus

a tech reads 60 amps with a clamp on amp meter on a forced air furnace.
the supply voltage is 230 volts AC, approx how many watts is the furnace
using - Answer✔️✔️-13,800

a furnace is using 15,500 watts approx Kw - Answer✔️✔️-15.5 Kw

a sequencer timer use _____ to close the contact points to the heater
element - Answer✔️✔️-heated snap-discs or bi-metal strips

an electric furnace heating thermostat must - Answer✔️✔️-open on rise close
on drop

a standard thermostat heat anticipator is ____ and wired in ____ with the
heating control - Answer✔️✔️-adjustable/series

some thermostat manufacturers require a jumper connection on the
thermostat subbase of heating and cooling thermostat in order to -
Answer✔️✔️-use a single transformer

most electric heat elements use the following safties to prevent overheating
- Answer✔️✔️-snap disc and fusible link

a tech reads 70 amps to the single phase heater . the supply voltage is 230
volts Ac. Approx how many btus is the furnace producing - Answer✔️✔️-
54,949



Page 2 of 11

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