ICA SCHOOL EXAM QUESTIONS AND
CORRECT ANSWERS
Question 1
A steam radiator system usually operates at what temperature?
A. 215 degrees F
B. 140 degrees F
C. 300 degrees F
D. 190 degrees F
Correct Answer
215 degrees F
Question 2
Water heaters built after July 2003 are
A. FVIR type
B. electric
C. gas
D. rust-proof
Correct Answer
FVIR type
Question 3
An air admittance valves
A. eliminate the need for vent piping from each fixture
B. are emergency relief valves on water heaters
C. are installed on water mains to promote proper flow
D. were used until the 1960's
Correct Answer
Eliminate the need for vent piping from each fixture
Page 1 of 91
,Question 4
Proper copper wire gauge on a 15 amp branch circuit
A. 12 AWG
B. 14 AWG
C. 10 AWG
D. 8 AWG
Correct Answer
14 AWG
Question 5
Manufactured stone
A. is produced by cutting natural stone into thin strips
B. is seldom used anymore
C. is not durable and allows moisture infiltration
D. is made with concrete, real stone chips and colorants
Correct Answer
is made with concrete, real stone chips and colorant
Question 6
Chimneys have an exterior
A. covering
B. housing
C. coating
D. chase
Correct Answer
chase
Question 7
A water heater that is 27 years old
A. Is extremely well built and should be kept as long as possible
B. Should be immediately replaced
C. Should be reported as being beyond its expected lifespan
D. Should be drained and flushed every three months
Correct Answer
Should be reported as being beyond its expected lifespan
Page 2 of 91
,Question 8
The connection device between copper and galvanized piping that prevents corrosion
is called a
A. Di-metallic union
B. Dielectric union
C. Ditech union
D. Bi-metal union
Correct Answer
Dielectric union
Question 9
Popping noises in a combustion water heater indicate
A. improper gas pressure at the burner
B. incoming water is too cold
C. the tank is filled with sediment
D. improper installation
Correct Answer
the tank is filled with sediment
Question 10
"Checking" in old columns
A. Is unusual and is a structural issue
B. is caused by high levels of moisture
C. indicates there has been a fire
D. is common and is usually acceptable
Correct Answer
is common and is usually acceptable
Page 3 of 91
, Question 11
A proper gas burner flame should be
A. yellow
B. orange
C. reddish-yellow
D. blue
Correct Answer
blue
Question 12
The supply water to circulated hot water radiators is usually what temperature?
A. 110 degrees F
B. 215 degrees F
C. 140 degrees F
D. 195 degrees F
Correct Answer
140 degrees F
Question 13
Ground rods must be driven into the ground at least
A. 6 feet
B. 8 feet
C. 9.5 feet
D. As far as possible
Correct Answer
8 feet
Question 14
The maximum notch typically allowed in a solid wood joist is
A. 1/2 joist depth
B. 1/3 joist depth
C. 1/6 joist depth
D. not allowed
Correct Answer
1/6 joist depth
Page 4 of 91
CORRECT ANSWERS
Question 1
A steam radiator system usually operates at what temperature?
A. 215 degrees F
B. 140 degrees F
C. 300 degrees F
D. 190 degrees F
Correct Answer
215 degrees F
Question 2
Water heaters built after July 2003 are
A. FVIR type
B. electric
C. gas
D. rust-proof
Correct Answer
FVIR type
Question 3
An air admittance valves
A. eliminate the need for vent piping from each fixture
B. are emergency relief valves on water heaters
C. are installed on water mains to promote proper flow
D. were used until the 1960's
Correct Answer
Eliminate the need for vent piping from each fixture
Page 1 of 91
,Question 4
Proper copper wire gauge on a 15 amp branch circuit
A. 12 AWG
B. 14 AWG
C. 10 AWG
D. 8 AWG
Correct Answer
14 AWG
Question 5
Manufactured stone
A. is produced by cutting natural stone into thin strips
B. is seldom used anymore
C. is not durable and allows moisture infiltration
D. is made with concrete, real stone chips and colorants
Correct Answer
is made with concrete, real stone chips and colorant
Question 6
Chimneys have an exterior
A. covering
B. housing
C. coating
D. chase
Correct Answer
chase
Question 7
A water heater that is 27 years old
A. Is extremely well built and should be kept as long as possible
B. Should be immediately replaced
C. Should be reported as being beyond its expected lifespan
D. Should be drained and flushed every three months
Correct Answer
Should be reported as being beyond its expected lifespan
Page 2 of 91
,Question 8
The connection device between copper and galvanized piping that prevents corrosion
is called a
A. Di-metallic union
B. Dielectric union
C. Ditech union
D. Bi-metal union
Correct Answer
Dielectric union
Question 9
Popping noises in a combustion water heater indicate
A. improper gas pressure at the burner
B. incoming water is too cold
C. the tank is filled with sediment
D. improper installation
Correct Answer
the tank is filled with sediment
Question 10
"Checking" in old columns
A. Is unusual and is a structural issue
B. is caused by high levels of moisture
C. indicates there has been a fire
D. is common and is usually acceptable
Correct Answer
is common and is usually acceptable
Page 3 of 91
, Question 11
A proper gas burner flame should be
A. yellow
B. orange
C. reddish-yellow
D. blue
Correct Answer
blue
Question 12
The supply water to circulated hot water radiators is usually what temperature?
A. 110 degrees F
B. 215 degrees F
C. 140 degrees F
D. 195 degrees F
Correct Answer
140 degrees F
Question 13
Ground rods must be driven into the ground at least
A. 6 feet
B. 8 feet
C. 9.5 feet
D. As far as possible
Correct Answer
8 feet
Question 14
The maximum notch typically allowed in a solid wood joist is
A. 1/2 joist depth
B. 1/3 joist depth
C. 1/6 joist depth
D. not allowed
Correct Answer
1/6 joist depth
Page 4 of 91
