1
IF A CYLINDER IS OUT OF ROUND, THE WEAR WILL BE GREATEST AT THE
THRUST AREA OF THE CYLINDER.
AN INTERFERENCE FIT IS GROUND INTO A VALVE FACE MAKING A
HIGHER CONTACT PRESSURE FOR BREAK IN.
IF ONE HALF OF THE ENGINE POWERCASE IS DEFECTIVE,
REPLACE THE POWERCASE.
COMBUSTION TAKES PLACE
AT 8:1 TO 18:1
WHICH OF THE FOLLOWING INDICATES THE TOTAL POWER PRODUCED BY THE ENGINE?
IHP
AFTER REGRINDING A CYLINDER, HOW MUCH CLEAN UP IS GENERALLY DONE?
.002
WHAT IS THE REASON FOR A CAM GROUND PISTON?
THEY ARE CAM GROUND TO COMPENSATE FOR THE PISTON PIN BOSS EXPANSION.
ACCOMPLISHES PISTON RING BREAK-IN & BEARING BURNISHING.
PROVIDES VALUABLE INFORMATION THAT IS USED TO EVALUATE ENGINE PERFORMANCE REQUIREMENTS.
BLOCK TEST
STOICHIOMETRIC MIXTURE IS
15:1
WHICH OF THE FOLLOWING WILL CONTROL ENGINE RPM WITH A CONSTANT SPEED PROP?
PROP CONTROL
VALVES ARE GROUND TO MATCH THE SEATS, THE INTAKE VALVE IS GROUND TO
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AFTER REMOVING A PISTON FROM A CYLINDER THAT IS BROKEN IN
YOU MUST REPLACE THE RINGS WITH A NEW SET.
WHICH OF THE ANSWERS USES EXHAUST GAS TO INCREASE VELOCITY COOLING AIR FLOW?
AUGMENTERS
INDUCTION FIRE CAUSED BY AN EXCESSIVELY LEAN MIXTURE.
backfire
TO INCREASE ENGINE POWER
INCREASE MAP
ROCKER ARM SHAFTS ARE INSPECTED FOR SCORING OR PITTING VISUALLY AND
A MAGNETIC PARTICLE INSPECTION CRACKS.
BEARING WEBS, ENGINE MOUNTS, CYLINDER MOUNTING SURFACES, STUD & BOLT HOLES, TAPPET BORES ARE
CRITICAL AREAS OF THE POWERCASE TO BE INSPECTED.
A LEAN MIXTURE WOULD CAUSE AN ENGINE TO RUN
HOT
EXHAUST FIRE CAUSED BY EXCESSIVELY RICH MIXTURE,
AFTERFIRE
WHAT IS THE HIGHEST ALTITUDE THAT A TURBOCHARGED ENGINE CAN ACHIEVE MAXIMUM CONTINUOUS HORSEPOWER & RPM?
CRITICAL ALTITUDE
WHEN REFACING A VALVE SEAT, WHICH WOULD BE CONSIDERED A WIDE SEAT?
1/3 TO 2/3 OF THE VALVE FACE.
IF THE MATING SURFACES OF THE POWERCASE HAS MINOR SCRATCHES,
SMOOTH WITH STONE & 600 GRIT SANDPAPER.
WHAT ARE CYLINDER FINS CONSTRUCTED FROM?
steel
INDICATES ENGINE POWER OUTPUT
MAP
WHICH CFR WILL YOU BE CERTIFIED UNDER AS AN A&P?
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