CNG CNG Fleet Management and Driver Operations 3

Question 1

When planning routes for a CNG fleet, a manager must account for which infrastructure limitation not typically faced by gasoline fleets?

Accepted Answer

Limited availability of public CNG fueling stations compared to gasoline stations

Answer

CNG vehicles cannot use interstate highways

Answer

CNG vehicles require dedicated lanes on all roads

Answer

CNG fuel is unavailable in rural states

Question 2

Which document must a fleet keep on file for each CNG cylinder installed in a vehicle to verify its service life status?

Accepted Answer

The cylinder manufacturer's certification and inspection records showing the expiration date

Answer

Only the vehicle title

Answer

An EPA air quality permit

Answer

The original fueling station receipt

Question 3

A driver reports that the CNG dispenser nozzle would not lock onto the vehicle's fill receptacle. What is the safest correct action?

Accepted Answer

Do not force the connection; report the incompatible equipment to maintenance and use an alternative dispenser

Answer

Wrap the connection with tape to create a seal and proceed

Answer

Manually hold the nozzle in place during the fill

Answer

Increase nozzle pressure to force the lock

Question 4

Under FMCSA regulations, which placard is required on a commercial vehicle transporting CNG cylinders as cargo?

Accepted Answer

COMPRESSED GAS placard (Division 2.1 Flammable Gas)

Answer

POISON GAS placard

Answer

OXIDIZER placard

Answer

NON-FLAMMABLE GAS placard only

Question 5

A CNG fleet manager wants to ensure drivers know the maximum allowable working pressure (MAWP) of the vehicle's fuel system. Where is this information primarily found?

Accepted Answer

On the cylinder label and in the vehicle manufacturer's CNG system documentation

Answer

On the fueling station display screen

Answer

In the vehicle's tire pressure chart

Answer

On the engine oil cap

Question 6

Which best practice should a CNG fleet manager implement to reduce the risk of overfilling CNG cylinders at a fleet fueling station?

Accepted Answer

Ensure dispensers are calibrated and equipped with automatic shutoff at the rated fill pressure

Answer

Have drivers manually watch the pressure gauge and stop filling at 3,000 PSI

Answer

Fill cylinders only halfway as a safety margin

Answer

Use a standard gasoline pump nozzle adapter