Bell 412 Hydraulic System (Flight Safety Manual) Test-Questions with Correct Solutions

Bell 412 Hydraulic System (Flight Safety Manual)
Test-Questions with Correct Solutions
1. How many independent hydraulic systems are used on a Bell 412?



A. One

B. Two

C. Three

D. Four

Three

2. How many servos are used for main rotor system control?



A. Two

B. Three

C. Four

D. Five

Three

3. How are the No. 1 and No. 2 hydraulic pumps driven?



A. Electrically from the essential buses

B. Pneumatically by bleed air from the engines

C. Mechanically by the N 1 section of each engine

D. Mechanically by the main transmission

, Mechanically by the main transmission

4. Which statement concerning the hydraulic filters is correct?



A. The return filter has a bypass, and the pressure filter does not.

B. The pressure filter has a bypass, and the return filter does not.

C. Neither the pressure nor the return filters have bypass capability.

D. Both the pressure and the return filters have bypass capability.

The return filter has a bypass, and the pressure filter does not.

5. At what pressure does the pressure relief valve open?

A. 650 psi

B. 750psi

C. 1,000 psi

D. 1,100 psi

1,100 psi

6. How is each electrical solenoid valve controlled?



A. By the associated HYDR SYS switch on the center pedestal

B. By a pressure switch in the valve and filter assembly

C. By the other hydraulic system's pressure switch

D. Both A and C

Both A and C