MK7 Aircraft Recovery Equipment

Question 0

What are the classifications of arrestments

Answer 0

Normal arrestment and emergency arrestment

Question 1

What are aircraft arrestments

Answer 1

Recovery equipment that brings a landing aircraft to a controlled stop by absorbing and dispelling energy developed by the landing aircraft

Question 2

What is the purpose of the MK7 arresting engine runout control valve ?

Answer 2

To control fluid flow from the engine cylinder to the accumulator

Question 3

The mk7 recovery equipment is divided into a total of how many major systems?

Answer 3

4

Question 4

The aircraft weight selector is adjusted while the arresting engine is in the battery position. This adjustment causes a change in the position of what component of the CRO valve?

Answer 4

The upper level

Question 5

Which of the following statements is correct concerning the valve sleeve and stem movement of the CRO valve?

Answer 5

4. At a 4:1 ratio the sleeve and stem move 1/4

Question 6

What controls the variation in the size of the opening of the CRO valve?

Answer 6

The plunger movement

Question 7

What is the purpose of the four vehicle elongated holes machined into the retract valve seat?

Answer 7

To allow fluid to enter the valve from the accumulator

Question 8

What device is installed on the retract valve operating lever to eliminate chatter

Answer 8

Shock Absorber

Question 9

What controls the flow of hydraulic fluid from the engine cylinder to the accumulator and is considered the heart of the arresting engine?

Answer 9

CROV

Question 10

What is the maximum operating temperature of arresting gear hydraulic fluid?

Answer 10

170 degrees F

Question 11

What is the maximum hydraulic fluid tank capacity of the power pack

Answer 11

125 gallons

Question 12

What is the initial pressure of the arresting gear accumulator

Answer 12

400 psi

Question 13

What permits a controlled return of fluid from the accumulator back to the engine cylinder?

Answer 13

Retract valve

Question 14

Inside the accumulator what separates the air side from the fluid side?

Answer 14

Floating piston

Question 15

What shows on the fluid level indicator of proper amount of fluid is in the system?

Answer 15

Battery

Question 16

What is the required operating pressure on the automatic lubrication system ?

Answer 16

75-85 psi

Question 17

What is the function of the cushioning piston in the anchor damper?

Answer 17

Prevents the piston from slamming

Question 18

What reduces cable peak tension and minimize cable vibration during aircraft arrestment?

Answer 18

Sheave damper

Question 19

What is the required operating pressure of sheave damper accumulator?

Answer 19

750 psi

Question 20

When the sheave damper is in battery position , what should be the reading on the fluid level?

Answer 20

2 plus/minus 1

Question 21

How many types of sheaves are used in MK 7 Mod 3 arresting gear?

Answer 21

3. Horizontal sheave, vertical sheave, fair lead sheave

Question 22

On the Mk 7 Mod 3 arresting gear, how is the retractable sheave operated?

Answer 22

Push button

Question 23

What is the maximum cross deck pendant height in inches , if measured from the bottom of the pendant to the deck

Answer 23

2. 51/2 inches max

Question 24

What provides a connection between the upper and lower load straps of the barricade and the tensioning pendant of the barricade stanchion?

Answer 24

Multiple release

Question 25

What are the three positions of the motor controller switch?

Answer 25

Automatic, off, run,

Question 26

During socket pouring , what is the required temperature of the zinc before pouring?

Answer 26

925-975 degrees