What is the nominal operating pressure of the Hydraulic Systems for the CRJ 200?
b) 3000 psi
2) What are the dangers associated with Skydrol hydraulic fluid?
a) Skydrol is very corrosive and can cause severe skin and eye irritation.
3) The pumps related to Hydraulic System 3 operation are:
b) two alternating current motor pumps
4) Hydraulic System 1 and System 2 are each powered by:
b) one engine driven pump and one alternating current motor pump
5) What Hydraulic System provides power to the outboard brakes?
b) System 2
6) What Hydraulic System powers the landing gear?
c) System 3
7) What service is lost if Hydraulic System 1 fails?
d) outboard ground spoiler
8) Which of the Hydraulic System components are not represented on the hydraulic synoptic page?
b) accumulators, and heat exchangers
9) Prior to providing power to Hydraulic System 3 the following precaution must he taken:
b) nose gear area must be clear
10) The left engine hydraulic shutoff valve is motored closed by pressing which switchlight?
a) LH ENG FIRE PUSH
11) How is cooling of System 3 hydraulic fluid different from System 1 and 2?
b) System 1 and 2 use a heat exchanger and System 3 has no special provision for cooling.
12) Which two pumps are not controlled from the HYDRAULIC control panel?
b) 1A & 2A
13) When the backup pump switches are selected to AUTO, what conditions influence the operation of pump 1B & 2B?
a) engine generator operation and flap position
14) When the 3B hydraulic switch is in the AUTO position, backup pump 3B will operate automatically when:
a) flaps are greater than zero
15) In flight with the loss of generator 2 which pump will he unpowered?
ACMP 1B
16) On the ground with both engines off, external AC power applied and all hydraulic switches selected to ON, which pumps are powered?
b) all ACMP pumps
17) With the pump switches in the OFF position and the ADG deployed, which of the following statements is true?
c) hydraulic ACMP 3B is operating
18) Which of the EICAS pages listed below are used to monitor the Hydraulic Systems?
c) primary page, hydraulic synoptic page and status page
19) Which of the following statements best represents what is indicated on the primary page and the hydraulic synoptic page?
a) The hydraulic shutoff valve remained open after the associated ENG FIRE PUSH switchlight was selected.
20) With all backup pumps switches in the AUTO position and ACMP 3A switch in the ON position.