Book 77 CNG

Question 1

What is designed as an alternate fuel that the MTA has committed its entire fleet to this type of fuel usage?

Answer 1

Compressed natural gas (CNG)

Question 2

CNG has its own unique property and CNG buses come with what advanced operating system?

Answer 2

Electronic

Question 3

The CNG field service guide for first responders has been developed as part of the what program to ensure safety and security of first responders, customers and the public?

Answer 3

MTA system safety program

Question 4

What was developed with assistance of publications and articles from a variety of local, regional and national resources as well as technical specifications from bus manufacturers?

Answer 4

CNG field service guide for first responders

Question 5

First responders may face what 3 types of incidents with CNG buses?

Answer 5

Unscheduled release of gas
Gas leak with fire
Explosion

Question 6

You should approach the scene with what and recon the area as necessary with CNG buses?

Answer 6

Caution

Question 7

With CNG buses, ensure that all sourced of ignition are eliminated, do not use what for deflecting traffic?

Answer 7

Traffic flares

Question 8

For CNG buses, establish how large of a safety zone minimum?

Answer 8

50 feet

Question 9

Is CNG toxic or non toxic?

Answer 9

Non toxic

Question 10

Large volumes of CNG in a confined space can do what and cause asphyxiation?

Answer 10

Displaced oxygen

Question 11

Odor detection, sharp hissing sound, icing on fuel components or use of hand held gas detection devices can help determine if there is a what?

Answer 11

Gas leak

Question 12

If leak is present, indenting the type of CNG bus, follow emergency procedures within the guide for the specific bus type, and protect against injuries 2 what body parts due to release of gas under high pressure?

Answer 12

Body or eye

Question 13

If no leak is present, initiate public safety duties and request what MTA personnel to determine if bus is to continue in service operations or in need of tow?

Answer 13

MTA equipment maintenance personnel

Question 14

If there is a gas leak with fire or explosion, lead fire agency to activate what along with rescue and MCI protocols as needed?

Answer 14

Incident command structure

Question 15

For gas leak fire or explosion, utilize who as a resource/liaison?

Answer 15

MTA field supervisor/on scene coordinator

Question 16

Who is responsible to activate incident command structure, hostage, or other incident specific protocols as needed?

Answer 16

Lead law enforcement agency

Question 17

The CNG field service guide for first responders is not intended to replace formal what related to compressed natural gas properties, equipment facilities, emergencies or ICS?

Answer 17

Training and education

Question 18

Does the CNG manual provide comprehensive or exhaustive list of all responsibilities assigned to any emergency first responders and take place of locally established guidelines for emergency management?

Answer 18

No

Question 19

What other 4 alternative fuels can be used in the bus industry besides CNG?

Answer 19

Liquified natural gas (LNG)
Propane (LPG)
Ethanol
Mixed fuel compositions

Question 20

MTA buses series 4500-4695(AN440), 4696-4793 (AN440), 5000-5222 (C40 HF), 6301-6600 (AN440), 6700-6799 (AN440) have composite cylinders for the fuel system mounted where on the bus which are covered by aluminum shield panels?

Answer 20

Under the bus

Question 21

MTA bus series 5300-5522 (C40LF) and 7000-7214, 7300-7514 (40 LFW 08) have composite fuel cylinder fuel systems mounted where on the bus?

Answer 21

Roof mounted

Question 22

All MTA bus series and models meet all natural gas requirements, cylinder integrity may be compromised by what 3 things and you must exercise caution when working around or on CNG gas systems?

Answer 22

Armor piercing bullets, significant impact, and/or fire

Question 23

All MTA bus series and models are equipped with what throughout the fuel system that will automatically open?

Answer 23

Pressure relief devices (PRDs)

Question 24

The PRDs will vent what into the atmosphere in the event system design pressure or temperature is exceeded?

Answer 24

Fuel

Question 25

All MTA bus series and model have how many steps during emergency operating procedures?

Answer 25

5

Question 26

For all MTA bus series and models, to stop the engine, position the “REAR ENGINE RUN” toggle switch to what position to shut down the engine, located in the engine compartment and is visible immediately upon opening the engine door?

Answer 26

“OFF”

Question 27

For all AN 440 model buses, to manually stop the fuel flow to the engine, turn the what colored handle 1/4 turn?

Answer 27

BLACK

Question 28

For the C40 HF, C40 LF, and 40 LFW 08 models, to manually stop the fuel flow to the engine, turn the what colored handle 1/4 turn?

Answer 28

RED

Question 29

For all MTA bus series and models, although the shut off valve is closed, the fuel tanks, distribution lines, vent lines and main supply line above the shut off valve are still under what pressure?

Answer 29

High pressure

Question 30

For all MTA bus series and models, what switch disable the main electrical power and shuts off all fuel solenoid valves?

Answer 30

Battery disconnect switch

Question 31

For all MTA bus series and models, move the battery disconnect switch to the “OFF” position to disable what 2 volt electrical power to all bus components and will de-energize (close) the fuel systems solenoid valves?

Answer 31

12 and 24 volts

Question 32

For all MTA bus series and models, to operate the manual fire suppression actuator valve to extinguish fires in the engine compartment, pull the safety ring from manual actuator and press what color “FIRE” down to initiate the discharge of the fire extinguishers agent in the engine compartment?

Answer 32

RED

Question 33

For the AN 440 and C40 HF, the roof vent outlet is located where?

Answer 33

Right rear roof area

Question 34

For the C40LF and 40 LFE 08 models, the roof vent outlets are located where?

Answer 34

Multiple and throughout the roof

Question 35

Should you attempt to stop the gas from venting during discharge?

Answer 35

No

Question 36

What are the 5 steps for the emergency operation procedures on an MTA bus?

Answer 36

``` Engine compartment switch box Manual fuel shut off valve Battery disconnect switch Manual fire suppression actuator valve Roof vent outlet ```