1|Page
LP INSTALLERS EXAM ACTUAL COMPLETE REAL
VERIFIED EXAM QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) ALREADY GRADED
A+ / NEWEST EXAM!!!
How fast does a spill switch need to work ? - Answer-30
seconds
If the firing rate in a combustion chamber exceeds
1,000,000 BTU , but less than 5,000,000 , what is required
? - Answer-2 shut offs in series , or one with overtravel
interlock
When using gas pressure boosters , which of the following
apply ? - Answer-All must meet product - acceptance
requirements The serving gas supplier has provided
written authorization Gas pressure boosters shall be
located in well - ventilated spaces , and readily accessible
What percentage of vent height can the length of a single -
walled vent connector be ? - Answer-75 %
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What percentage of vent height can the length of Type B ,
double - walled vent connector be ? - Answer-100 %
What is the max pressure for natural gas in a house ? -
Answer-14 " WC
Where do you file a permit for work to be done in buildings
owned or used by the State of Mass ? - Answer-State
Inspector
When pressure testing a system over 1 million btu , which
doesn't apply ? - Answer-Test 1 hour for each 200 ' of
developed length
When a vent on a regulator , what is the horizontal
distance from the discharge of the vent to an opening
located below ? - Answer-3 feet
How many cycles do you need to keep continuing
education certificates ? - Answer-3
On an LP - Gas system , what is considered to be the "
Point of Delivery " ? - Answer-Outlet of 1st stage
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Within how many feet of an appliance does the shut off
need to be ? - Answer-6'
How far does a roof hatch need to be from the edge of a
roof to not need guardrails ? - Answer-6'
What is the maximum pressure allowed for CSST . -
Answer-14 " WC
If the maximum firing rate per combustion chamber is
____ , BTU or greater , gas pressure supervision provided
by listed pressure switches or combination high / low
switch , interlocked to accomplish safety shutdown in
event of either high or low pressure . - Answer-1,000,000
Max spacing for support for CSST on a rooftop is every . -
Answer-Blocks used for Support 48 "
A vacuum is considered to be any pressure that is -
Answer-Less than atmospheric pressure (14.7 psi)
LP INSTALLERS EXAM ACTUAL COMPLETE REAL
VERIFIED EXAM QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) ALREADY GRADED
A+ / NEWEST EXAM!!!
How fast does a spill switch need to work ? - Answer-30
seconds
If the firing rate in a combustion chamber exceeds
1,000,000 BTU , but less than 5,000,000 , what is required
? - Answer-2 shut offs in series , or one with overtravel
interlock
When using gas pressure boosters , which of the following
apply ? - Answer-All must meet product - acceptance
requirements The serving gas supplier has provided
written authorization Gas pressure boosters shall be
located in well - ventilated spaces , and readily accessible
What percentage of vent height can the length of a single -
walled vent connector be ? - Answer-75 %
,2|Page
What percentage of vent height can the length of Type B ,
double - walled vent connector be ? - Answer-100 %
What is the max pressure for natural gas in a house ? -
Answer-14 " WC
Where do you file a permit for work to be done in buildings
owned or used by the State of Mass ? - Answer-State
Inspector
When pressure testing a system over 1 million btu , which
doesn't apply ? - Answer-Test 1 hour for each 200 ' of
developed length
When a vent on a regulator , what is the horizontal
distance from the discharge of the vent to an opening
located below ? - Answer-3 feet
How many cycles do you need to keep continuing
education certificates ? - Answer-3
On an LP - Gas system , what is considered to be the "
Point of Delivery " ? - Answer-Outlet of 1st stage
, 3|Page
Within how many feet of an appliance does the shut off
need to be ? - Answer-6'
How far does a roof hatch need to be from the edge of a
roof to not need guardrails ? - Answer-6'
What is the maximum pressure allowed for CSST . -
Answer-14 " WC
If the maximum firing rate per combustion chamber is
____ , BTU or greater , gas pressure supervision provided
by listed pressure switches or combination high / low
switch , interlocked to accomplish safety shutdown in
event of either high or low pressure . - Answer-1,000,000
Max spacing for support for CSST on a rooftop is every . -
Answer-Blocks used for Support 48 "
A vacuum is considered to be any pressure that is -
Answer-Less than atmospheric pressure (14.7 psi)
