Metro CNG Buses

Question 1

How many tanks on buses?

Answer 1

7

Question 2

Operating pressure for cng tanks?

Answer 2

3600 psi

Question 3

Rank of pressure of cng tanks?

Answer 3

Cold 3400- warm 4000 psi

Question 4

Where are the cng tanks located?

Answer 4

On the roof of the bus, cng is lighter than air, it will dissipate

Question 5

How long are cng tanks?

Answer 5

120” x 15.9”

Question 6

How much does a cng tank weigh?

Answer 6

269 lbs

Question 7

Cut the flow of gas by turning the shutoff ?

Answer 7

90 degrees

Question 8

How many pressure relief devices?

Answer 8

8

Question 9

Pressure relief sensor are located where?

Answer 9

2 in tank

2 in the engine

Question 10

Pressure relief devices activate at what psi?

Answer 10

5400 psi

Question 11

2 modes of the pressure relief device?

Answer 11

Trace and significant

Question 12

The engine shuts down with what alert activation?

Answer 12

Significant

Question 13

Temperature sensors release a extinguishing agent when temperatures reach ?

Answer 13

280

Question 14

What is added to natural gas for the distinct odor?

Answer 14

Mercaptan

Question 15

Cng flashpoint

Answer 15

560 degrees

Question 16

Remove ignition sources

Answer 16

100 ft

Question 17

Major leaks remove ignition sources

Answer 17

300 ft