ASA Powerplant Review Test 2 Exam
Questions and Answers
(8004) - What is the principal advantage of using propeller
reduction gears? -
correct answer ✅to enable the engine RPM to be increased with
an accompanying increase in power and allow the propeller to
remain at a lower, more efficient RPM
(8014) - Which statement is correct regarding engine crankshafts? -
correct answer ✅moveable counterweights serve to reduce the
torsional vibrations in an aircraft reciprocating engine
(8021) - An aircraft reciprocating engine using hydraulic valve lifters
is observed to have no clearance in its valve-operating mechanism
after the minimum inlet oil and cylinder head temperatures for
takeoff have been reached. When can this condition be expected? -
correct answer ✅during normal operation
(8025) - Some cylinder barrels are hardened by -
correct answer ✅Nitriding
(8072) - Which fuel/air mixture will result in the highest engine
temperature (all other factors remaining constant)? -
correct answer ✅a mixture leaner than a manual mixture of 0.060
,ASA Powerplant Review Test 2 Exam
Questions and Answers
(8172) - What is the proper starting sequence for a turbojet engine?
-
correct answer ✅starter, ignition, fuel
(8402) - Electrical circuit protection devices are installed primarily
to protect the -
correct answer ✅wiring
8423. What type of oil system is usually found on turbine engines? -
correct answer ✅dry sump, pressure, and spray
8468. Cylinder walls are usually lubricated by -
correct answer ✅splashed or sprayed oil.
8469. If an oil filter element becomes completely clogged, the -
correct answer ✅bypass valve will open, and the oil pump will
supply unfiltered oil
(8559) - Generally, when removing a turbine engine igniter plug, in
order to eliminate the possibility of the technician receiving a lethal
shock, the ignition switch is turned off and -
, ASA Powerplant Review Test 2 Exam
Questions and Answers
correct answer ✅the igniter lead is disconnected from the plug
and the center electrode is grounded to the engine after
disconnecting the transformer-exciter input lead and waiting the
prescribed time
(8570) - When the ignition switch of a single (reciprocating) engine
aircraft is turned to the OFF position, -
correct answer ✅the primary circuits of both magnetos are
grounded
(8595) When installing a magneto on an engine, the -
correct answer ✅piston in the number one cylinder must be a
prescribed number of degrees before top center on the
compression stroke.
(8652) - A punctured float in a float-type carburetor will cause the
fuel level to -
correct answer ✅rise, and enrich the mixture
8693. On a carburetor without an automatic mixture control as you
ascend to altitude, the mixture will -
correct answer ✅be enriched
Questions and Answers
(8004) - What is the principal advantage of using propeller
reduction gears? -
correct answer ✅to enable the engine RPM to be increased with
an accompanying increase in power and allow the propeller to
remain at a lower, more efficient RPM
(8014) - Which statement is correct regarding engine crankshafts? -
correct answer ✅moveable counterweights serve to reduce the
torsional vibrations in an aircraft reciprocating engine
(8021) - An aircraft reciprocating engine using hydraulic valve lifters
is observed to have no clearance in its valve-operating mechanism
after the minimum inlet oil and cylinder head temperatures for
takeoff have been reached. When can this condition be expected? -
correct answer ✅during normal operation
(8025) - Some cylinder barrels are hardened by -
correct answer ✅Nitriding
(8072) - Which fuel/air mixture will result in the highest engine
temperature (all other factors remaining constant)? -
correct answer ✅a mixture leaner than a manual mixture of 0.060
,ASA Powerplant Review Test 2 Exam
Questions and Answers
(8172) - What is the proper starting sequence for a turbojet engine?
-
correct answer ✅starter, ignition, fuel
(8402) - Electrical circuit protection devices are installed primarily
to protect the -
correct answer ✅wiring
8423. What type of oil system is usually found on turbine engines? -
correct answer ✅dry sump, pressure, and spray
8468. Cylinder walls are usually lubricated by -
correct answer ✅splashed or sprayed oil.
8469. If an oil filter element becomes completely clogged, the -
correct answer ✅bypass valve will open, and the oil pump will
supply unfiltered oil
(8559) - Generally, when removing a turbine engine igniter plug, in
order to eliminate the possibility of the technician receiving a lethal
shock, the ignition switch is turned off and -
, ASA Powerplant Review Test 2 Exam
Questions and Answers
correct answer ✅the igniter lead is disconnected from the plug
and the center electrode is grounded to the engine after
disconnecting the transformer-exciter input lead and waiting the
prescribed time
(8570) - When the ignition switch of a single (reciprocating) engine
aircraft is turned to the OFF position, -
correct answer ✅the primary circuits of both magnetos are
grounded
(8595) When installing a magneto on an engine, the -
correct answer ✅piston in the number one cylinder must be a
prescribed number of degrees before top center on the
compression stroke.
(8652) - A punctured float in a float-type carburetor will cause the
fuel level to -
correct answer ✅rise, and enrich the mixture
8693. On a carburetor without an automatic mixture control as you
ascend to altitude, the mixture will -
correct answer ✅be enriched
