POWERPLANT RECIPROCATING
ENGINES PART 1 (LATEST) 2025
QUESTIONS WITH VERIFIED
SOLUTIONS!!
1 of 74
Term
Some aircraft engine manufacturers equip their product with choked
or taper-ground cylinders in order to
Give this one a try later!
increase cylinder bore at operating provide a tighter cylinder fit at
temperatures. startup.
, provide a straight
cylinder bore at ensure consistent cylinder pressure
operating at all temperatures.
temperatures.
Don't know?
2 of 74
Term
The purpose of two or more valve springs in aircraft engines is to
Give this one a try later!
eliminate cam bearing clearance provide a straight cylinder bore at
when making valve adjustment. operating temperatures.
eliminate valve spring surge. dissipate heat well.
Don't know?
3 of 74
Term
The primary purpose in setting proper valve timing and overlap is to
Give this one a try later!
, reduce engine noise and increase maximize fuel consumption and
cylinder pressure. increase exhaust emissions.
obtain the best volumetric
efficiency and lower enhance engine vibration and raise
cylinder operating cylinder operating pressures.
temperatures.
Don't know?
4 of 74
Term
Full-floating piston pins are those which allow motion between the
pin and
Give this one a try later!
only the large end of the both the piston and the small
connecting rod. end of the connecting rod.
only the piston end of the
connecting rod. both the piston and the crankshaft.
Don't know?
5 of 74
Term
, Before attempting to start a radial engine that has been shut down
for more than 30 minutes,
Give this one a try later!
turn the propeller by hand once in turn the propeller by hand
the opposite direction to check for three to four revolutions in the
compression issues. normal direction of rotation to
check for liquid lock.
engage the starter to check for start the engine immediately to
electrical lock. check for fuel lock.
Don't know?
6 of 74
Term
Sodium-filled valves are advantageous to an aviation engine
because they
Give this one a try later!
dissipate heat well. eliminate valve spring surge.
eliminate cam bearing clearance
when making valve adjustment. dampen valve impact chocks.
ENGINES PART 1 (LATEST) 2025
QUESTIONS WITH VERIFIED
SOLUTIONS!!
1 of 74
Term
Some aircraft engine manufacturers equip their product with choked
or taper-ground cylinders in order to
Give this one a try later!
increase cylinder bore at operating provide a tighter cylinder fit at
temperatures. startup.
, provide a straight
cylinder bore at ensure consistent cylinder pressure
operating at all temperatures.
temperatures.
Don't know?
2 of 74
Term
The purpose of two or more valve springs in aircraft engines is to
Give this one a try later!
eliminate cam bearing clearance provide a straight cylinder bore at
when making valve adjustment. operating temperatures.
eliminate valve spring surge. dissipate heat well.
Don't know?
3 of 74
Term
The primary purpose in setting proper valve timing and overlap is to
Give this one a try later!
, reduce engine noise and increase maximize fuel consumption and
cylinder pressure. increase exhaust emissions.
obtain the best volumetric
efficiency and lower enhance engine vibration and raise
cylinder operating cylinder operating pressures.
temperatures.
Don't know?
4 of 74
Term
Full-floating piston pins are those which allow motion between the
pin and
Give this one a try later!
only the large end of the both the piston and the small
connecting rod. end of the connecting rod.
only the piston end of the
connecting rod. both the piston and the crankshaft.
Don't know?
5 of 74
Term
, Before attempting to start a radial engine that has been shut down
for more than 30 minutes,
Give this one a try later!
turn the propeller by hand once in turn the propeller by hand
the opposite direction to check for three to four revolutions in the
compression issues. normal direction of rotation to
check for liquid lock.
engage the starter to check for start the engine immediately to
electrical lock. check for fuel lock.
Don't know?
6 of 74
Term
Sodium-filled valves are advantageous to an aviation engine
because they
Give this one a try later!
dissipate heat well. eliminate valve spring surge.
eliminate cam bearing clearance
when making valve adjustment. dampen valve impact chocks.
