Powerplant Oral ASA
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What is the main smaller frontal area and easier to streamline.
advantage of a
horizontally opposed
engine over a radial
engine for powering
modern aircraft?
How many throws are six
there in the crankshaft of a
six-cylinder horizontally
opposed engine?
What kind of connecting a master rod connects the single throw of the
rod arrangement is used in crankshaft with a piston. all other pistons are
a radial engine? connected to the master rod with link rods
Of what material are most grey cast iron
piston rings made?
What is the reason for keep all of the clearance out of the valve operating
using hydraulic valve mechanism, decreases wear of valve train
lifters in an aircraft components
engine?
At what speed does the camshaft is one half the speed of crankshaft
camshaft turn, relative to
the crankshaft speed in a
horizontally opposed
engine?
, What kind of main steel backed lead alloy bearings
bearings are used in a
horizontally opposed
engine?
On what stroke is the exhaust
piston of a reciprocating
engine when the intake
valve begins to open?
On what stroke is the power
piston of a reciprocating
engine when the exhaust
valve begins to open?
Why are both the hot and hot clearance is for valve timing. timing adjusted with
cold valve clearances valves in cylinder 1 set with hot clearance then
given for most radial adjusted to cold clearance
engines?
A piston that is not perfectly round. . When the piston
What is meant by a cam-
reaches operating temperature, the metal expands
ground piston
enough that the piston becomes perfectly round.
Where is the piston in a before top dead center on the compression stroke
reciprocating engine
when the ignition spark
occurs?
What is meant by a full- pin not clamped in either piston or connecting rod
floating wrist pin?
Why do most aircraft for different frequencies/rpms
reciprocating engines use
more than one spring on
each valve?
Would excessive valve open late close early
clearance cause the
valves to open early or
late?
Save
What is the main smaller frontal area and easier to streamline.
advantage of a
horizontally opposed
engine over a radial
engine for powering
modern aircraft?
How many throws are six
there in the crankshaft of a
six-cylinder horizontally
opposed engine?
What kind of connecting a master rod connects the single throw of the
rod arrangement is used in crankshaft with a piston. all other pistons are
a radial engine? connected to the master rod with link rods
Of what material are most grey cast iron
piston rings made?
What is the reason for keep all of the clearance out of the valve operating
using hydraulic valve mechanism, decreases wear of valve train
lifters in an aircraft components
engine?
At what speed does the camshaft is one half the speed of crankshaft
camshaft turn, relative to
the crankshaft speed in a
horizontally opposed
engine?
, What kind of main steel backed lead alloy bearings
bearings are used in a
horizontally opposed
engine?
On what stroke is the exhaust
piston of a reciprocating
engine when the intake
valve begins to open?
On what stroke is the power
piston of a reciprocating
engine when the exhaust
valve begins to open?
Why are both the hot and hot clearance is for valve timing. timing adjusted with
cold valve clearances valves in cylinder 1 set with hot clearance then
given for most radial adjusted to cold clearance
engines?
A piston that is not perfectly round. . When the piston
What is meant by a cam-
reaches operating temperature, the metal expands
ground piston
enough that the piston becomes perfectly round.
Where is the piston in a before top dead center on the compression stroke
reciprocating engine
when the ignition spark
occurs?
What is meant by a full- pin not clamped in either piston or connecting rod
floating wrist pin?
Why do most aircraft for different frequencies/rpms
reciprocating engines use
more than one spring on
each valve?
Would excessive valve open late close early
clearance cause the
valves to open early or
late?
