AUTO TECH 1 COMPREHENSIVE EXAM 2026/2027
QUESTIONS AND SOLUTIONS RATED A+
✔✔Crankshaft - ✔✔Changes the reciprocating motion of the piston and rod into useful
rotary motion
✔✔Cylinder head - ✔✔Covers and seals the cylinder. Also holds the valves, rocker
arms, and often, the camshaft
✔✔Combustion chamber - ✔✔A small cavity between the top of the piston and the
bottom of the cylinder head
✔✔Intake Valves - ✔✔Open and close to control the flow of air or an air-fuel mixture
into
✔✔Camshaft - ✔✔Controls the opening of valves
✔✔Valve springs - ✔✔Keep the valves closed when they do not need to be open
✔✔Rocker arms - ✔✔Transfer camshaft action to the valves
✔✔Lifters - ✔✔Ride on the camshaft and transfer motion to the other parts of the valve
train
✔✔Flywheel - ✔✔Helps keep the crankshaft turning smoothly
✔✔Sensors - ✔✔
✔✔Electronic - ✔✔
✔✔Actuators - ✔✔
✔✔The steering system allows the driver to control vehicle ___ by turning the wheels
right or left - ✔✔Direction
✔✔The brake system produces ___ to slow or stop the vehicle - ✔✔Friction
✔✔Define air-fuel ratio - ✔✔Percentage of air to fuel
✔✔ASE - ✔✔Automotive Service Excellence
✔✔NATEF - ✔✔National Automotive Technicians Education Foundation
, ✔✔ Power tools use ___, ___, or ____ as sources of energy - ✔✔Compressed air,
electricity, or pressurized liquid/hydraulics
✔✔Which of the following is not a commonly used air tool?
A. Impact wrench
B. Air ratchet
C. Air chisel
D. Drill press - ✔✔D. Drill press
✔✔A(n) ______ is used to blow dirt off parts and to dry parts after cleaning -
✔✔Blowgun
✔✔A rotary file is frequently used to remove ____.
A. Old gasket materials
B. Carbon deposits
C. Metal burrs and nicks
D. None of the above - ✔✔C. Metal burrs and nicks
✔✔List 4 important rules for a bench grinder - ✔✔- always wear eye protection and
keep your hands away from the wheel
- make sure the grinder shields are in place
- keep the tool rest adjusted close to the wheel
- do not use a wire wheel to clean soft metal parts, such as aluminum Pistons or brass
brushings
✔✔List 5 important rules for a drill press - ✔✔- remove the key from the chuck before
turning on the drill press
- secure the part to be drilled with c-clamps or other holding fixtures
- use a center punch to indent the part and start the whole
- release drilling pressure Right before the bit breaks through the bottom of the part to
prevent injury
- oil the bit as needed
✔✔___ are used to support a vehicle while working under it.
A. Floor jacks
B. Jack stands
C. Transmission jacks
D. Bumper jacks - ✔✔B. Jack stands
✔✔Explain the use of a solvent tank - ✔✔Contains a pump, reservoir, and solvent, and
it is used to remove grease and oil from parts
✔✔What are wheels pullers for? - ✔✔Used to remove seals, gears, pulleys, steering
wheels, axles and other pressured-on parts
QUESTIONS AND SOLUTIONS RATED A+
✔✔Crankshaft - ✔✔Changes the reciprocating motion of the piston and rod into useful
rotary motion
✔✔Cylinder head - ✔✔Covers and seals the cylinder. Also holds the valves, rocker
arms, and often, the camshaft
✔✔Combustion chamber - ✔✔A small cavity between the top of the piston and the
bottom of the cylinder head
✔✔Intake Valves - ✔✔Open and close to control the flow of air or an air-fuel mixture
into
✔✔Camshaft - ✔✔Controls the opening of valves
✔✔Valve springs - ✔✔Keep the valves closed when they do not need to be open
✔✔Rocker arms - ✔✔Transfer camshaft action to the valves
✔✔Lifters - ✔✔Ride on the camshaft and transfer motion to the other parts of the valve
train
✔✔Flywheel - ✔✔Helps keep the crankshaft turning smoothly
✔✔Sensors - ✔✔
✔✔Electronic - ✔✔
✔✔Actuators - ✔✔
✔✔The steering system allows the driver to control vehicle ___ by turning the wheels
right or left - ✔✔Direction
✔✔The brake system produces ___ to slow or stop the vehicle - ✔✔Friction
✔✔Define air-fuel ratio - ✔✔Percentage of air to fuel
✔✔ASE - ✔✔Automotive Service Excellence
✔✔NATEF - ✔✔National Automotive Technicians Education Foundation
, ✔✔ Power tools use ___, ___, or ____ as sources of energy - ✔✔Compressed air,
electricity, or pressurized liquid/hydraulics
✔✔Which of the following is not a commonly used air tool?
A. Impact wrench
B. Air ratchet
C. Air chisel
D. Drill press - ✔✔D. Drill press
✔✔A(n) ______ is used to blow dirt off parts and to dry parts after cleaning -
✔✔Blowgun
✔✔A rotary file is frequently used to remove ____.
A. Old gasket materials
B. Carbon deposits
C. Metal burrs and nicks
D. None of the above - ✔✔C. Metal burrs and nicks
✔✔List 4 important rules for a bench grinder - ✔✔- always wear eye protection and
keep your hands away from the wheel
- make sure the grinder shields are in place
- keep the tool rest adjusted close to the wheel
- do not use a wire wheel to clean soft metal parts, such as aluminum Pistons or brass
brushings
✔✔List 5 important rules for a drill press - ✔✔- remove the key from the chuck before
turning on the drill press
- secure the part to be drilled with c-clamps or other holding fixtures
- use a center punch to indent the part and start the whole
- release drilling pressure Right before the bit breaks through the bottom of the part to
prevent injury
- oil the bit as needed
✔✔___ are used to support a vehicle while working under it.
A. Floor jacks
B. Jack stands
C. Transmission jacks
D. Bumper jacks - ✔✔B. Jack stands
✔✔Explain the use of a solvent tank - ✔✔Contains a pump, reservoir, and solvent, and
it is used to remove grease and oil from parts
✔✔What are wheels pullers for? - ✔✔Used to remove seals, gears, pulleys, steering
wheels, axles and other pressured-on parts
