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1. OAT gauge inaccuracy is primarily caused by:
A. Turbulence and vibration
B. Compression heating and friction ✔
C. Altimeter setting error
D. Cabin pressurization differences
2. Dynamic hydroplaning is most likely to occur during:
A. Low-speed taxi on a wet surface
B. High-speed operations on a runway with standing water exceeding tire tread
depth ✔
C. Turns during crosswind landing
D. Braking on dry pavement
3. Hydroplaning formula for a rotating tire (kt):
A. 6.5 × √tire pressure
B. 8.2 × √tire pressure
C. 9.0 × √tire pressure ✔
D. 12.5 × √tire pressure
,4. Hydroplaning formula for a non-rotating tire (kt):
A. 5.8 × √tire pressure
B. 7.7 × √tire pressure ✔
C. 9.0 × √tire pressure
D. 11.2 × √tire pressure
5. Critical Mach number is defined as:
A. The Mach at which airspeed indicator becomes unreliable
B. The Mach where buffet begins
C. The Mach where the first shock wave forms on the aircraft ✔
D. The Mach where compressibility effects disappear
6. Cold-soaked frost on the underside of a wing permits takeoff when:
A. Frost is removed completely without exception
B. Aircraft is lightweight
C. Manufacturer’s limitations and procedures are followed ✔
D. Temperature is above 0°C
7. Hazard associated with hoar frost on wings:
A. Increase in glide ratio
B. Improved stall characteristics
C. Disruption of smooth airflow leading to decreased lift ✔
D. Higher buffet margin
8. Capacitance-type fuel gauges measure:
,A. Fuel volume
B. Fuel temperature
C. Fuel mass independent of temperature ✔
D. Fuel pressure
9. RVR “A” reading provides information on:
A. Mid-runway visibility
B. Stop end visibility
C. Touchdown zone visibility ✔
D. Runway lighting intensity
10. A stabilized gyro compass reduces magnetic compass error by using:
A. Magnetic flux valve only
B. Standby magnetic compass
C. A stabilized directional gyro slaved to a remote compass transmitter ✔
D. A turn coordinator interface
11. Type I de-icing fluid is used primarily for:
A. Long-hold anti-icing protection
B. Removing accumulated ice and snow ✔
C. Post-flight corrosion control
D. Preventing wheel-well ice buildup
12. Anti-skid systems function by:
A. Reducing brake temperature
B. Preventing wheel spin-up
, C. Detecting abnormally rapid tire deceleration ✔
D. Increasing tire traction
13. An upward gust affects stall speed because:
A. AOA decreases
B. AOA increases ✔
C. Altitude increases
D. IAS increases
14. CVR must be operated:
A. Only during takeoff and landing
B. Only when engines are running
C. From application of electrical power before flight until its removal after flight ✔
D. Only when airborne
15. Altimeter setting must be applied when descending into a hold from FL230
to 9000 ft:
A. When passing FL190
B. Immediately after receiving clearance
C. Prior to the final descent for landing ✔
D. After intercepting the inbound leg
16. Altimeter setting 31.40 will adjust ceiling/visibility by:
A. –400 ft / –1 SM
B. +200 ft / +1 SM
C. +400 ft / +1 SM ✔
D. –200 ft / +1 SM