1

Question 1

formula used to compute Force

Answer 1

F=PxA (Force= Pressure x Area)

Question 2

during a hydraulic system test, do not allow relief valves to remain open for longer than ___. rapid heat buildup will occur.

Answer 2

5 seconds

Question 3

MIL-PRF-83282 temp range

Answer 3

40°F-275°F

Question 4

most hyd systems in aircraft register from 0 to ___psi

Answer 4

3,000psi

Question 5

the navy requires __ independent hydraulic systems on all high-performance aircraft

Answer 5

2

Question 6

HFSU (PMU) capacity

Answer 6

2 gallons

Question 7

known as the combined hydraulic system

Answer 7

PC-2

Question 8

contamination levels are monitored with which program

Answer 8

fluid surveillance

Question 9

seals, caps and plugs must seal with an internal pressure of #-# psig

Answer 9

2-5psig

Question 10

only use # micron (absolute) hydraulic filters

Answer 10

3

Question 11

MIL-PRF-81019 is designed to operate in hydraulic systems in a temperature as low as -90F

Answer 11

MIL-PRF-81019 (-90F)

Question 12

there are # major sources of hydraulic contamination (particle introduction)

Answer 12

(4) during fabrication, accidental introduction, operation, foreign liquids

Question 13

what code is used on a MAF or WO when maintenance is breaking hydraulic system integrity

Answer 13

Z

Question 14

formula used to compute Pressure

Answer 14

P= H x D (depth and density)

Question 15

aircraft hydraulic systems require periodic __ or __

Answer 15

fluid servicing or air bleeding

Question 16

NSTM ___ provides a good source of general information about different types of valves used in hydraulics

Answer 16

NSTM 556

Question 17

which military specification series provide complete design, installation, and data requirements for aircraft hydraulic systems

Answer 17

SAE-AS5440

Question 18

when servicing fluid-servicing hydraulic equipment, use only equipment utilizing a ____ filter

Answer 18

3 micron