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Vacuum System Overview

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Questions and Answers

What components make up the vacuum system for operating gyro instruments?

One engine driven wet vacuum pump, two regulators, and a sensor

Two vacuum pumps, no regulators, and additional sensors

Three engine driven dry vacuum pumps, no regulators, and an air filter

Two engine driven dry vacuum pumps, regulators, check valve, tubing, and an air filter (correct)

What happens when vacuum is lost from a pump in the system?

The check valve closes and vacuum is supplied by one remaining pump (correct)

A secondary pump automatically activates without any indicator

The system shuts down completely until manual reset

The gauge displays a green light indicating normal operation

What indicates that vacuum is not available from one side of the system?

A drop in the fuel gauge reading

A red malfunction button on the face of the gauge (correct)

A blue indicator light on the gauge

An audible alarm signaling operator attention

What is the purpose of the air filter in the vacuum system?

<p>To increase the life of the gyros</p> Signup and view all the answers

Which of the following is NOT a component of the gyro instrument vacuum system?

<p>Air conditioning unit</p> Signup and view all the answers

Study Notes

Vacuum System

The vacuum system utilizes two engine-driven dry vacuum pumps.
Two vacuum regulator valves containing filters are present.
A check valve and tubing are found on each engine.
A vacuum gauge monitors the system continuously.
If vacuum is lost from either pump or due to malfunctions, the check valve automatically closes.
This allows one pump to provide vacuum in the event of a failure.
A malfunctioning pump will be indicated by a red button on the gauge.
An air filter in the system contributes to increased gyro life.

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Description

This quiz covers the key components of a vacuum system, focusing on engine-driven dry vacuum pumps and associated elements such as vacuum regulator valves and gauges. You'll learn how the system maintains functionality and indicates malfunctions through various mechanisms.