NATE GAS EXAM PREPARATION VERSION 1 NEWEST WITH COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS| BRAND NEW VERSION!

1|Page


NATE GAS EXAM PREPARATION VERSION 1

NEWEST WITH COMPLETE QUESTIONS AND

CORRECT DETAILED ANSWERS| BRAND NEW

VERSION!




Today, furnaces with AFUE ratings greater than _____ are available.



A: 85%



B: 90%



C: 100%



D: 110% - - ANS✔️--B: 90%



A thermocouple is used with:



A: Intermittent pilot systems

,2|Page


B: Direct spark ignition systems



C: Glow coil ignition systems



D: Standing pilot ignition systems - - ANS✔️--D: Standing pilot ignition systems



The purpose of the gas pressure regulator is to:



A: Keep the color of the flame constant



B: Keep the high limit switch from tripping



C: Maintain a constant gas pressure at the burner



D: Allow the gas valve to operate smoothly and accurately - - ANS✔️--C: Maintain a constant

gas pressure at the burner



The instrument used to measure outlet gas pressure is the:



A: Velometer



B: Anemometer

, 3|Page


C: Monometer



D: Draft gauge - - ANS✔️--C: Monometer



The regulator on a natural gas furnace should be adjusted to supply _____ inches of pressure at

the burners.



A: 11"



B: 10"



C: 3.5"



D: 2" - - ANS✔️--C: 3.5"



Burning one cubic foot of natural gas releases approximately _____ btu.



A: 800



B: 1,050



C: 12,000