Small Engine Mechanic Final Exam
Graded A+
A dethatcher blade has ____. - ANSWER-spring-like fingers attached to the blade
A dry spark plug insulator that is "blank" in color indicates that an engine is in good
operating condition - ANSWER-Beige
A fundamental principle of governor operation is that air vane action or centrifugal force
always acts to ____ the throttle and spring pressure always acts to ____ the throttle. -
ANSWER-close, open
A person who starts a business is called a(n) ____. - ANSWER-entrepreneur
A replacement valve seat insert is locked in place by ____. - ANSWER-peening the
metal surrounding the insert
A valve seat that is too large will result in ____. - ANSWER-excessive carbon buildup
A(n) ____ is used to check the cylinder head for warpage. - ANSWER-flat surface and
feeler gauge
After being cleaned in a carburetor dip, parts should be ____. - ANSWER-be rinsed in a
mild solvent and blown off with compressed air
After governor linkage has been reassembled or adjusted, the governor system should
be ____ before the engine is started. - ANSWER-hand operated to check for binding
Because of ____, the exhaust valve often requires a greater stem-to-lifter clearance
than the intake valve. - ANSWER-a higher operating temperature
Before any work is done on the engine, ____. - ANSWER-the spark plug wire should be
disconnected
Before the head on an overhead valve engine can be removed, the ____ must be
removed. - ANSWER-valve cover, rocker arms, pushrods
Carbon deposits should be removed from the cylinder head by ____. - ANSWER-
soaking the head in parts cleaner and scrubbing with a parts brush
Chainsaw kickback is caused by ____. - ANSWER-the tip of the blade striking a solid
object
Graded A+
A dethatcher blade has ____. - ANSWER-spring-like fingers attached to the blade
A dry spark plug insulator that is "blank" in color indicates that an engine is in good
operating condition - ANSWER-Beige
A fundamental principle of governor operation is that air vane action or centrifugal force
always acts to ____ the throttle and spring pressure always acts to ____ the throttle. -
ANSWER-close, open
A person who starts a business is called a(n) ____. - ANSWER-entrepreneur
A replacement valve seat insert is locked in place by ____. - ANSWER-peening the
metal surrounding the insert
A valve seat that is too large will result in ____. - ANSWER-excessive carbon buildup
A(n) ____ is used to check the cylinder head for warpage. - ANSWER-flat surface and
feeler gauge
After being cleaned in a carburetor dip, parts should be ____. - ANSWER-be rinsed in a
mild solvent and blown off with compressed air
After governor linkage has been reassembled or adjusted, the governor system should
be ____ before the engine is started. - ANSWER-hand operated to check for binding
Because of ____, the exhaust valve often requires a greater stem-to-lifter clearance
than the intake valve. - ANSWER-a higher operating temperature
Before any work is done on the engine, ____. - ANSWER-the spark plug wire should be
disconnected
Before the head on an overhead valve engine can be removed, the ____ must be
removed. - ANSWER-valve cover, rocker arms, pushrods
Carbon deposits should be removed from the cylinder head by ____. - ANSWER-
soaking the head in parts cleaner and scrubbing with a parts brush
Chainsaw kickback is caused by ____. - ANSWER-the tip of the blade striking a solid
object
