STUDY GUIDE
QUESTIONS WITH
COMPLETE
SOLUTIONS!!
AUTO 141
Evatee 10/20/24 AUTO 141
,AUTO 141 MIDTERM STUDY GUIDE
QUESTIONS WITH COMPLETE SOLUTIONS!!
All are functions of the modern fuel system except:
-Filter the fuel entering the engine
-Store fuel until needed
-Atomize the fuel
-Mix the fuel with the air Answer - Mix the fuel with the air
Technician A says GDI (Gasoline Direct Injection) systems operate under very
high pressures. Technician B says GDI (Gasoline Direct Injection) systems are no
longer used in modern engines.
-Technician A
-Technician B
-Both
-Neither Answer - Technician A
Which of the following are oxidized in the catalytic converter?
-Hydrocarbons
-Oxides of nitrogen
-Carbon monoxide
-Both A and C Answer - Both A and C
One complete combustion cycle requires two revolutions of the crankshaft.
-True
, -False Answer - True
NOx emissions are reduced by the____valve. Answer - EGR
Technician A says that the evaporative emission system (EVAP) must detect a
leak from a hole 0.020 in. in diameter beginning in the 2001 model year.
Technician B says that the ORVR portion of the evaporative emission system is
designed to capture fuel vapors produced during refueling. Who is correct?
-Technician A
-Technician B
-Both
-Neither Answer - Both
On all modern engines, the crankshaft, camshaft, and valves are located within
the engine block.
-True
-False Answer - False
Barometric pressure of 14.7 psi is equivalent to:
-1 bar
-1 atmosphere
-100 kPa
-All of the above Answer - all of the above
If more current is flowing out of the battery than the alternator, it is said to be
____________________. Answer - Discharging