AUTOMOTIVE ENGINE REPAIR UNIT 1 QUESTIONS AND VERIFIED ANSWERS GRADED A+

When a spark ignites the air and fuel mixture, ____ occurs.
a. An explosion
b. A blast
c. Conflagration
d. Combustion
d. Combustion
The ____ is the main supporting structure of the engine.
a. Motor
b. Block
c. Cylinder head
d. Main bore
b. Block
Technician A says the main bearings protect the crankshaft journals.
Technician B says the camshaft lobes lift the pistons. Who is correct?
a. A only

, b. B only
c. Both A and B
d. Neither A nor B
a. A only




Technician A says that an engine rebuilding technician at a machine shop
must be able to make precision measurements. Technician B says that not
much math is involved when you are working as an engine rebuilding
technician at a machine shop. Who is correct?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
a. A only
A new car dealership is considered a ______ service repair facility.
full
Technicians who work at a machine shop have to use ________ measuring
tools as part of their daily job.
precision
When an installer purchases a remanufactured engine, a ________ must be
paid until the old engine is returned.
core charge
A CNC is a ________ machine.
computer numerically controlled