# Volume 3 Section 3

27 Questions  Settings  Related Topics
• 1.
According to the principles applicable to the A / S indicator, as altitude increases, the maximum allowable A / S
• A.

Increase

• B.

Decreases

• C.

Stays the same

• D.

Increases, and then decreases

• 2.
What type of pressue enters the A / S diaphragm of the A / S indicator?
• A.

Pitot

• B.

Static

• C.

Engine

• D.

Barometric

• 3.
Which error(s) must be corrected to make an A / S indicator display true A / S?
• A.

Altitude

• B.

Altitude and impact

• C.

Temperature and impact

• D.

Altitude and temperature

• 4.
The sensing elements in the true A / S indicator are surounded by
• A.

Pitot pressure

• B.

Static pressure

• C.

Engine pressure

• D.

Methyl chloride gas

• 5.
Which condition cause an uncorrected A / S indicator to read higher than it should?
• A.

Decreased altitude and decreased temperature

• B.

Decreased altitude and increased temperature

• C.

Increased altitude and decreased temperature

• D.

Increased altitude and increased temperature

• 6.
Which indicator helps the pilot maintain a specific rate of climb or dive?
• A.

Altimeter

• B.

Machmeter

• C.

True A / S

• D.

Vertical velocity

• 7.
What type of pressure is applied to the inside of the thermos chamber of the rate-of-climb indicator?
• A.

Diffused pitot

• B.

Diffused static

• C.

Unrestricted pitot

• D.

Unrestricted static

• 8.
During what aircraft maneuver is the static pressure inside the diaphragm of the vertical velocity indicator greater than on the outside?
• A.

Roll

• B.

Dive

• C.

Climb

• D.

Level flight

• 9.
The standard datum plane is a theoretical plane where the atmospheric pressure is
• A.

30.00" of mercury (Hg) and the temperature is +15 deg C

• B.

30.00" Hg and the temperature is +40 deg C

• C.

29.92" Hg and the temperature is +15 deg C

• D.

29.92" Hg and the temperature is +40 deg C

• 10.
Static pressure is
• A.

• B.

Less at low attack angels and greater at higher attack angels

• C.

Greater at low A / Ss and less at higher A / Ss

• D.

Greater at low altitudes and less at higher altitudes

• 11.
What type of error is caused by the location and manner in which a pitot tube is installed?
• A.

Density error

• B.

Instrument error

• C.

Installation error

• D.

AOA error

• 12.
Mechanical error within the A / S indicator is called
• A.

Density error

• B.

Instrument error

• C.

Installation error

• D.

AOA error

• 13.
The primary difference between indicated A / S and true A / S is the
• A.

Density error

• B.

Instrument error

• C.

Installation error

• D.

AOA error

• 14.
Density error can be corrected by adjusting the
• A.

Barometric scale on the front of the indicator

• B.

Barometric scale on the back of the indicator

• C.

High-pressure scale on the front of the indicator

• D.

High-pressure scale on the back of the indicator

• 15.
The heart of the vertical velocity indicator is a
• A.

Barometric scale

• B.

Expansion valve

• C.

Differential diaphragm

• D.

Pressure-sensitive diaphragm

• 16.
The total air temperature is calibrated in
• A.

One-degree increments from -70 deg C to +80 deg C

• B.

One-degree increments from -50 deg C to +60 deg C

• C.

Two-degree increments from -70 deg C to +80 deg C

• D.

Two-degree increments from -50 deg C to +60 deg C

• 17.
Each total air temperature probe contains
• A.

Two variable resistance-type sensing elements

• B.

Two variable capacitance-type sensing elements

• C.

Three variable resistance-type sensing elements

• D.

Three variable capacitance-type sensing elements

• 18.
When the failure annunciator on the front of the standard central air data computer is reset, it shows
• A.

Solid black

• B.

Solid white

• C.

Three red wedges on a black background

• D.

Three white wedges on a black background

• 19.
During which standard central air data computer built-in tests can recorded failures be retrieved
• A.

0 and 6

• B.

1 and 2

• C.

3 and 9

• D.

5 and 7

• 20.
Which standard central air data computer BIT allows slewing of altitude and A / S?
• A.

1

• B.

3

• C.

6

• D.

9

• 21.
When activated, which switch causes the No.1 SCADC to output fixed values of altitude, vertical speed, mach, A / S, and true A / S?
• A.

• B.

• C.

• D.

• 22.
What displays on the Mach-A / S indicator respond to synchro outputs from the standard central air data computer?
• A.

Command A / S and minimum A / S speed

• B.

IAS and Mach

• C.

IAS and minimum safe A / S

• D.

Command A / S and mach

• 23.
Which Mach-A / S indicators displays are manually inserted?
• A.

Command Mach and Command IAS

• B.

Command Mach and minimum safe A / S

• C.

Mach and minimum A / S

• D.

Mach and command IAS

• 24.
The command Mach marker on the Mach-A / S indicator tracks the
• A.

Command Mach slew switch

• B.

Mach tape as Mach changes

• C.

Lubber line as Mach changes

• D.

Command Mach counter

• 25.
What is the range of the indicated A / S tape of the Mach-A / S indicator?
• A.

50 - 500 knots

• B.

50 - 600 knots

• C.

100 - 500 knots

• D.

100 - 600 knots

• 26.
During self-test of the Mach-A / S indicator, the Mach and indicated A / S tapes drive to
• A.

0.92 Mach and 225 knots, respectively

• B.

0.92 Mach and 250 knots, respectively

• C.

0.825 Mach and 225 knots, respectively

• D.

0.825 Mach and 250 knots, respectively

• 27.
If you have the barometric counter set to 29.92 during a self-test of the ALT-vertical speed indicator, the ALT display should slew to how many feet?
• A.

20,000

• B.

50,000

• C.

75,000

• D.

80,000