Plumbing level 3 Block E: Gas E2 Questions
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Terms in this set (123)
What is the safest and most reliable 3) Pipeline
method of transporting natural gas?
Question 1 options:
1) Trucking
2) Railway
3) Pipeline
4) Aircraft
Transmission lines are the pipes that 2) False
move the gas from the city gate
station to the customers.
Question 2 options:
1) True
2) False
,What is the maximum pressure of 3) 680 kPA
natural gas in city distribution mains?
1) 35 kPa
2) 140 kPa
3) 680 kPA
4) 8000 kPA
The release of gas from the liquid 1) True
storage will reduce the temperature
of the remain liquid.
1) True
2) False
What is the maximum Natural gas 1) 14 kPa
supply pressure to a single-family
dwelling?
Question 5 options:
1) 14 kPa
2) 35 kPa
3) 140 kPa
4) 450 kPa
,For design purposes the relevant 2) False
friction loss pressure drop is the
difference in gas pressure between
the point of gas supply and the
nearest appliance.
Question 1 options:
1) True
2) False
As per the Natural Gas and Propane 3) 7 kPa
Installation Code book specifies
what is the maximum allowable
pressure drop in a propane gas
piping system with a supply pressure
of 14 kPa.
Question 2 options:
1) 250 Pa
2) 1.75 kPa
3) 7 kPa
4) 10 kPa
Laminar flow is smooth and occurs at 1) True
low velocities
Question 3 options:
1) True
2) False
Pipe size does not change the gas 2) False
velocity.
Question 4 options:
1) True
2) False
, Which of these listed gasses will 4) Butane gas (SG 2.0)
have the greatest pressure loss when
all flow factors are equal?
Question 5 options:
1) Natural gas (SG 0.6)
2) Air (SG 1.0)
3) Propane gas (SG 1.5)
4) Butane gas (SG 2.0)
For piping systems what method can 4) All of the above
be used to account for the friction
loss of fittings?
Question 6 options:
1) Percentage of pipe length
2) Pressure drop (∆P) calculations
3) Equivalent length tables
4) All of the above
What is the name for the process of 2) Butt fusion
heat fusing the plain ends of PE
pipe?
Question 1 options:
1) End fusion
2) Butt fusion
3) Socket fusion
4) Saddle fusion
QUESTIONS AND ANSWERS LATEST UPDATE
INSTANT DOWNLOAD
Save
Terms in this set (123)
What is the safest and most reliable 3) Pipeline
method of transporting natural gas?
Question 1 options:
1) Trucking
2) Railway
3) Pipeline
4) Aircraft
Transmission lines are the pipes that 2) False
move the gas from the city gate
station to the customers.
Question 2 options:
1) True
2) False
,What is the maximum pressure of 3) 680 kPA
natural gas in city distribution mains?
1) 35 kPa
2) 140 kPa
3) 680 kPA
4) 8000 kPA
The release of gas from the liquid 1) True
storage will reduce the temperature
of the remain liquid.
1) True
2) False
What is the maximum Natural gas 1) 14 kPa
supply pressure to a single-family
dwelling?
Question 5 options:
1) 14 kPa
2) 35 kPa
3) 140 kPa
4) 450 kPa
,For design purposes the relevant 2) False
friction loss pressure drop is the
difference in gas pressure between
the point of gas supply and the
nearest appliance.
Question 1 options:
1) True
2) False
As per the Natural Gas and Propane 3) 7 kPa
Installation Code book specifies
what is the maximum allowable
pressure drop in a propane gas
piping system with a supply pressure
of 14 kPa.
Question 2 options:
1) 250 Pa
2) 1.75 kPa
3) 7 kPa
4) 10 kPa
Laminar flow is smooth and occurs at 1) True
low velocities
Question 3 options:
1) True
2) False
Pipe size does not change the gas 2) False
velocity.
Question 4 options:
1) True
2) False
, Which of these listed gasses will 4) Butane gas (SG 2.0)
have the greatest pressure loss when
all flow factors are equal?
Question 5 options:
1) Natural gas (SG 0.6)
2) Air (SG 1.0)
3) Propane gas (SG 1.5)
4) Butane gas (SG 2.0)
For piping systems what method can 4) All of the above
be used to account for the friction
loss of fittings?
Question 6 options:
1) Percentage of pipe length
2) Pressure drop (∆P) calculations
3) Equivalent length tables
4) All of the above
What is the name for the process of 2) Butt fusion
heat fusing the plain ends of PE
pipe?
Question 1 options:
1) End fusion
2) Butt fusion
3) Socket fusion
4) Saddle fusion
