INSTRUMENTS SPECIMEN QUESTIONS Flashcards
1
Q
- A modern Radio Altimeter uses the frequency band:
A
b. SHF 3000 Mhz - 30 Ghz
2
Q
- An aircraft that is assessed as not being a threat would be indicated on a TCAS system as:
A
c. a hollow white or cyan diamond
3
Q
- During descent through a block of airspace of constant temperature and while flying at a constant mach no will cause the CAS to:
A
a. increase
4
Q
- The true altitude of an aircraft in flight is shown from:
A
b. pressure altitude
5
Q
- On a Turn and Slip indicator, needle to the left and ball to the right indicates:
A
left turn too much bank
6
Q
- What is Density Altitude?
A
the altitude in the International Standard Atmosphere at which the prevailing density would be found
7
Q
- A Radio Altimeter is:
A
d. aircraft based and measures true height
8
Q
- Which of the following are modes of the GPWS?
i. excessive sink rate
ii. altitude loss after take-off or go-around
iii. excessive glideslope deviation
iv. high climb rate
v. flaps in the incorrect position
vi. high altitude descent
vii. stall
A
a. i ii iii v
9
Q
- An aircraft is travelling at 120 kt, what angle of bank would be required for a rate one turn?
A
c. 19°
10
Q
- An aircraft is travelling at 100 kt forward speed on a 3° glideslope. What is its rate of descent?
A
a. 500 ft/min
11
Q
- What correction is given by TCAS?
A
b. climb or descend
12
Q
- If the Total Pressure sensor supply line leaks, and with the drain element blocked, in a non- pressurised aircraft this will cause the ASI to:
A
a. under - read
13
Q
- Using a Classic Attitude Indicator, an aircraft performs a turn through 270° at a constant angle of bank and rate of turn. The indication is:
A
a. nose up, bank right
14
Q
- The needle and ball of a Turn Indicator are both to the left of the datum. This indicates:
A
a. a left turn with too much bank
15
Q
- Under conditions determined by the International Standard Atmosphere, at MSL True Air Speed is:
A
c. equals CAS
16
Q
- In what range is GPWS operative?
A
c. 2450 - 50 ft
17
Q
- Which of the following are inputs to the central processing unit of the GPWS?
i. flaps
ii. landing gear
iii. glideslope
iv. unusual attitudes
v. radio altimeter
vi. VOR
A
i ii iii v
18
Q
- What is another name for fail active?
A
fail operational
19
Q
- Why must an autopilot be synchronised when you wish to disconnect?
A
c. to secure against abrupt changes in aircraft attitude
20
Q
- What is used for EGT measurement?
A
d. thermo emf thermocouples
21
Q
- When accelerating on a northerly heading what does the Direct Reading Magnetic Compass indicate?
A
b. north
22
Q
- Why is there a vibration device in a pressure altimeter?
i. to prevent hysteresis
ii. to prevent lag in a mechanical system
iii. to keep pilots happy during long flights
iv. to prevent icing
v. to overcome dither
A
b. i ii
23
Q
- What does the white arc on a temperature scale indicate?
A
c. normal operating temperature
24
Q
- The rate of turn indicator is a very useful gyroscopic instrument. When used in conjunction with the Attitude Indicator it provides:
A
b. rate of turn about the yaw axis
25
Q
- With the aircraft weight constant but variations in airfield altitude, take-off will always be at a constant:
A
b. calibrated airspeed
26
Q
- An inertial reference system is aligned when turned on so as to:
A
a. calculate the computed trihedron with reference to the earth