

1. A TRIM TAB IS A SMALL AUXILIARY AIRFOIL:
ก. IT AIDS THE PILOT IN MOVING THE CONTROL.
ข. IT COMPENSATES FOR VARIOUS LOADING CONDITIONS.
ค. IT IS USED IN CONJUNCTION WITH AN ADJUSTABLE STABILIZER
ง. IT IS USED IN CONJUNCTION WITH A BUNGEE ATTACHED TO THE STICK.
2. OSCILLATION OF AN AIRPLANE ABOUT ITS VERTICAL AXIS IS KNOWN AS “HUNTING” OR :
ก. YAWING ข. ROLLING
ค. PITCHING ง. SWINGING
3. HE ASKED THE OPERATOR TO HOLD THE PHONE WHILE HE SEARCHED FOR A MOMENT.
HE ASKED HER TO_______________.
ก. TAKE THE RECORD OVER ข. HANG UP
ค. DIAL A NUMBER ง. WAIT A MINUTE
4. THE SIMPLEST TEST IN CHECKING FOR A DELAMINATED AREA ON A HONEYCOMB
STRUCTURE WOULD BE
ก. THE METALLIC RING TEST ข. X - RAY
ค. ULTRASONIC ง. ZYGLE
5. WHAT IS THE FUNCTION OF THE THRUST REVERSER OF A TURBINE ENGINE?
ก. TO EXTEND THE REVERSER FLAPS
ข. TO REVERSE THE FLOW OF EXHAUST GASES
ค. TO REVERSE THE AIRFLOW THROUGH ENGINE INLET
ง. TO REDUCE THE VELOCITY OF EXHAUST GASES.
6. AN AIRPLANE WHICH HAS GOOD LONGITUDINAL STABILITY SHOULD HAVE A MINIMUM
TENDENCY TO
ก. ROLL ข. PITCH
ค. YAW ง. CLIMB
7. SLIP OR SKID IS INDICATED ON THE:
ก. TURN COORDINATOR ข. BALANCE BALL
ค. ATTITUDE INDICATOR ง. HEADING INDICATOR
8. WHAT IS THE SPIN AXIS OF GYRO IN ATTITUDE INDICATOR
ก. VERTICAL ข. HORIZONTAL
ค. LATURAL ง. LONGITUDINAL
9. WHICH MATERIAL IS MOST USED IN MAKING SPARE PART OF AIRCRAFT ENGINE
ก. ALUMINIUM ข. STEEL
ค. MAGNESUIM ง. ZINC
10. IF THE AIRCRAFT MECHANIC FOUND THE CIRCLED RED CROSS IN THE BLOCK 9 AND
25 OF RTAF LOG BOOK FORM 1-2 . IT’S MEAN
ก. AWAITING FOR MAINTENANCE
ข. AWAITING FOR PARTS
ค. AIRCRAFT CAN FLY UNDER PARTIALMISSION STATUS
ง. AIRCRAFT ON GROUND AND WAITING FOR TCTO COMPLY WITH.
11. WHAT IS THE CONFIGURATION OF THERMOCOUPLES WHICH EMPLOYED IN THE EDISON
THERMOCOUPLE FIRE DETECTOR SYSTEM.
ก. CONNECTED IN SERIES ข. CONNECTED IN PARALLEL – SERIES
ค. CONNECTED IN SERIES – PARALLEL ง. CONNECTED IN PARALLEL – SERIES
12. PLEASE SPECIFY THE CURRENT LIMITATION OF THE INSTANTANEOUS FUSE.
ก. 30% ข. 35%
ค. 25% ง. 45%
13. WHICH STATEMENT IS TRUE REGARDING A FOUR – STROKE CYCLE AIRCRAFT ENGINE?
ก. THE INTAKE VALVE CLOSES ON THE INTAKE STROKE
ข. THE EXHAUST VALVE OPENS ON THE EXHAUST STROKE
ค. THE INTAKE VALVE CLOSES ON THE COMPRESSION STROKE
ง. THE EXHAUST VALVE OPENS ON THE COMPRESSION STROKE
14. WHERE IS THE HIGHEST GAS PRESSURE IN A TURBOJET ENGINE?
ก. AT THE OUTLET OF THE TAILPIPE SECTION
ข. AT THE ENTRANCE OF THE TURBINE SECTION
ค. AT THE OUTLET OF THE TURBINE SECTION
ง. AT THE ENTRANCE OF THE BURNER SECTION
15. THE LUBBER LINE OF THE MAGNETIC COMPASS INDICATES :
ก. TRUE NORTH
ข. MAGNETIC NORTH
ค. THE MAGNETIC HEADING OF THE AEROPLANE
ง. THE TRUE HEADING OF THE AEROPLANE
16. ข้อใดคือชิ้นส่วนประกอบหลักของอากาศยาน
ก.
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