TEST # 3- GAS 2 QUESTIONS WITH
COMPLETE SOLUTIONS!!
, 1 of 123
Term
Two or more pressure regulators without internal relief may
have their vent lines connected together if:
A) the single vent line area equal to the largest relief valve opening
plus 50% of the total area of the other relief valve openings.
B) the single vent line has an area equal of not less than twice
the total area of the connected bleed vents
C) the single vent line area equal to the largest relief valve opening
plus 75% of the total area of the other relief valve openings.
D) common venting of regulators with internal relief is not
permitted by the B149.1-20 Code - see clause 5.5.2.3
Give this one a try later!
C) the volume displaced through
chambers divided by flexible A) the oven temperature cannot
material to drive dial needles or be maintained below the
digital counter minimum
input temperature of the control
C) Type 2 Clothes Dryers are
intended for continuous duty in B) the single vent line has
multi family and commercial an area equal of not less
applications with or without than twice the total area
payment collection means of the
connected bleed vents
Don't know?
2 of 123
,Term
On a natural gas system what is the proper name of the
regulator used to regulate the distributors line pressure to the
required
building line pressure?
A) service regulator
B) appliance regulator
C) line pressure regulator
D) pilot regulator
Give this one a try later!
C) provide accurate
measurements in varying A) 1 cubic foot per hour
temperature conditions.
A) service regulator D) a blocked vent line
Don't know?
3 of 123
Term
An unstable pilot or nuisance lock outs may be the result of:
A) A worn or dirty regulator valve seat
B) high supply gas pressures
C) oversized piping
D) all of the above
Give this one a try later!
, B) regulator would not B) the regulators internal relief
operate properly valve opening
A) A worn or dirty D) It changes a blue flame to
regulator valve seat a luminous flame
Don't know?
4 of 123
Term
Which of the following appliances must be interlocked with exhaust
fans so the appliance cannot operate unless the exhaust fan is
running?
A) All industrial appliances
B) Indirect fired make up air heaters
C) Direct fired make up air heaters
D) Non recirculating direct gas fired industrial air heaters
Give this one a try later!
C) the burner may burn out pre- B) turn off the valve on the
maturely containers
C) Direct fired make up
D) all of the above air heaters
Don't know?
COMPLETE SOLUTIONS!!
, 1 of 123
Term
Two or more pressure regulators without internal relief may
have their vent lines connected together if:
A) the single vent line area equal to the largest relief valve opening
plus 50% of the total area of the other relief valve openings.
B) the single vent line has an area equal of not less than twice
the total area of the connected bleed vents
C) the single vent line area equal to the largest relief valve opening
plus 75% of the total area of the other relief valve openings.
D) common venting of regulators with internal relief is not
permitted by the B149.1-20 Code - see clause 5.5.2.3
Give this one a try later!
C) the volume displaced through
chambers divided by flexible A) the oven temperature cannot
material to drive dial needles or be maintained below the
digital counter minimum
input temperature of the control
C) Type 2 Clothes Dryers are
intended for continuous duty in B) the single vent line has
multi family and commercial an area equal of not less
applications with or without than twice the total area
payment collection means of the
connected bleed vents
Don't know?
2 of 123
,Term
On a natural gas system what is the proper name of the
regulator used to regulate the distributors line pressure to the
required
building line pressure?
A) service regulator
B) appliance regulator
C) line pressure regulator
D) pilot regulator
Give this one a try later!
C) provide accurate
measurements in varying A) 1 cubic foot per hour
temperature conditions.
A) service regulator D) a blocked vent line
Don't know?
3 of 123
Term
An unstable pilot or nuisance lock outs may be the result of:
A) A worn or dirty regulator valve seat
B) high supply gas pressures
C) oversized piping
D) all of the above
Give this one a try later!
, B) regulator would not B) the regulators internal relief
operate properly valve opening
A) A worn or dirty D) It changes a blue flame to
regulator valve seat a luminous flame
Don't know?
4 of 123
Term
Which of the following appliances must be interlocked with exhaust
fans so the appliance cannot operate unless the exhaust fan is
running?
A) All industrial appliances
B) Indirect fired make up air heaters
C) Direct fired make up air heaters
D) Non recirculating direct gas fired industrial air heaters
Give this one a try later!
C) the burner may burn out pre- B) turn off the valve on the
maturely containers
C) Direct fired make up
D) all of the above air heaters
Don't know?
