1G EMISSIONS INSPECTOR NEVADA
EXAM QUESTIONS AND VERIFIED
ANSWERS WITH CORRECT
ANSWERS
All vehicles are equipped with an EGR valve - ANS -False
The PCV valve is a required emission control device for the State of Nevada
Emission Inspection - ANS -False
The Worldwide exhaust emission analyzer (Smog Machine) is being discussed
Technician A says that RPM can be read 3 different ways on a 1995 and older
vehicle. Technician B says that on 1996 and newer (OBD II) cars, RPM is read
through the DLC. Who is correct? - ANS -Both A and B
What readings will be obtained when the analyzer probe is placed near a fuel line
leak? Technician A says that a CO reading will be obtained. Technician B says that
only an HC reading will be obtained. Who is correct? - ANS -Technician B
An Engine misfire will have little or no effect on passing a smog inspection - ANS -
False
A TWC (Three Way Cat) converter reduces or oxidizes - ANS -CO, HC, and NOX
A bad oxygen sensor can cause a vehicle to run rich - ANS -True
, The AIR (Air Injection Reaction) system on a vehicle is designed to reduce
_____________ output during cold engine operation - ANS -CO and HC
The EGR system is designed to reduce ___________ emissions output? - ANS -
NOX (Nitrogen, Oxygen, and Carbon gasses)
If a spark plug wire falls off with engine running, what would happen to HC
emissions output at the tailpipe? - ANS -Increase
1969-1980 Vehicles require what kind of test - ANS -Two-Speed test and
Tampering Inspection is 5 item
The EVAP system captures __________ emissions for later burning. - ANS -HC
5 Emission Types - ANS -EGR, Fuel Inlet Restrictor, Air Evap, and Cat
EGR (Exhaust Gas Recirculation) - ANS -Lowers temp in cylinders by displacing
exhaust, operates during cruise control, needs a control device to turn it on,
strong metal might be threaded, missing hose is tampering on the solenoid red
and blue, blockout plates on exhaust ports
PCV (Positive Crankcase Valve) - ANS -Reroutes blowby gas
EVAP - ANS -hoses that lead to a charcoal filter
EXAM QUESTIONS AND VERIFIED
ANSWERS WITH CORRECT
ANSWERS
All vehicles are equipped with an EGR valve - ANS -False
The PCV valve is a required emission control device for the State of Nevada
Emission Inspection - ANS -False
The Worldwide exhaust emission analyzer (Smog Machine) is being discussed
Technician A says that RPM can be read 3 different ways on a 1995 and older
vehicle. Technician B says that on 1996 and newer (OBD II) cars, RPM is read
through the DLC. Who is correct? - ANS -Both A and B
What readings will be obtained when the analyzer probe is placed near a fuel line
leak? Technician A says that a CO reading will be obtained. Technician B says that
only an HC reading will be obtained. Who is correct? - ANS -Technician B
An Engine misfire will have little or no effect on passing a smog inspection - ANS -
False
A TWC (Three Way Cat) converter reduces or oxidizes - ANS -CO, HC, and NOX
A bad oxygen sensor can cause a vehicle to run rich - ANS -True
, The AIR (Air Injection Reaction) system on a vehicle is designed to reduce
_____________ output during cold engine operation - ANS -CO and HC
The EGR system is designed to reduce ___________ emissions output? - ANS -
NOX (Nitrogen, Oxygen, and Carbon gasses)
If a spark plug wire falls off with engine running, what would happen to HC
emissions output at the tailpipe? - ANS -Increase
1969-1980 Vehicles require what kind of test - ANS -Two-Speed test and
Tampering Inspection is 5 item
The EVAP system captures __________ emissions for later burning. - ANS -HC
5 Emission Types - ANS -EGR, Fuel Inlet Restrictor, Air Evap, and Cat
EGR (Exhaust Gas Recirculation) - ANS -Lowers temp in cylinders by displacing
exhaust, operates during cruise control, needs a control device to turn it on,
strong metal might be threaded, missing hose is tampering on the solenoid red
and blue, blockout plates on exhaust ports
PCV (Positive Crankcase Valve) - ANS -Reroutes blowby gas
EVAP - ANS -hoses that lead to a charcoal filter
