6/11/25, 8:39 AM CSLB C20 Trade Tougher Questions EXAM 2025 COMPLETE EXAM QUESTIONS AND ACCURATE ANSWERS |ALREADY PASS…
CSLB C20 Trade Tougher Questions EXAM 2025
COMPLETE EXAM QUESTIONS AND ACCURATE
ANSWERS |ALREADY PASSED!!
Save
Terms in this set (25)
Duct systems should be SMACNA
installed according to ____
Standards
The type of flue pipe used Type B-Vent
on gas 80% standard
furnace venting systems
serving gas fired systems
Which type of gauge McLeod type gauge
would you use for very
high vacuums?
How many BTUs are equal 3,414 BTU
to one kilowatt hour
When adjusting gas fired 4% for every 1,000 feet
furnaces above 2000 feet,
the BTU per hour input
should be reduced 4% for
each _____ feet above sea
level.
https://quizlet.com/1053328154/cslb-c20-trade-tougher-questions-exam-2025-complete-exam-questions-and-accurate-answers-already-passed-flash-c… 1/4
CSLB C20 Trade Tougher Questions EXAM 2025
COMPLETE EXAM QUESTIONS AND ACCURATE
ANSWERS |ALREADY PASSED!!
Save
Terms in this set (25)
Duct systems should be SMACNA
installed according to ____
Standards
The type of flue pipe used Type B-Vent
on gas 80% standard
furnace venting systems
serving gas fired systems
Which type of gauge McLeod type gauge
would you use for very
high vacuums?
How many BTUs are equal 3,414 BTU
to one kilowatt hour
When adjusting gas fired 4% for every 1,000 feet
furnaces above 2000 feet,
the BTU per hour input
should be reduced 4% for
each _____ feet above sea
level.
https://quizlet.com/1053328154/cslb-c20-trade-tougher-questions-exam-2025-complete-exam-questions-and-accurate-answers-already-passed-flash-c… 1/4