Volume 5

A gaseous nitrogen charge is added to a liquid fire extinguishing agent in order to?

What component holds both a liquid agent and a nitrogen charge in a liquid-agent fire extinguishing container?

In a liquid-agent fire extinguisher container, why is the frangible disc undercut into pie shaped sections?

What is the purpose of a time delay relay that is used on some liquid-agent fire extinguishing systems?

BANK #2 in a two-shot liquid-agent fire extinguishing system failed to discharge, while BANK #1 discharged normally. The most probably cause of this malfunction is what type of faulty switch?

When depressed, which switch on a T-handle fire extinguishing system completes the circut to the squib?

In the T-handle fire extinguishing system, the two-way check valve is pushed into position by the?

In a T-handle liquid-agent fire extinguishing system, what happens when the container pressure becomes two low?

Air that is trapped in a liquid coolant system has what effect?

During initial start of a liquid coolant system, the controller timer energizes the solenoid shutoff valve closed for three minutes. The purpose of this action is to?

What component of a liquid coolant system is positioned by the temperature of the coolant?

In a liquid coolant system, what tells you that the liquid coolant filter is dirty?

When maintaining a liquid coolant system, over-torquing clamps may cause what to happen?

In a liquid coolant system, what is the purpose of purging the servicing unit supply hose?

To ensure that a multiplace liferaft will inflate in extremely low temperatures, the inflation cylinder has a charge of?

What component of a liferaft inflation cylinder assembly keeps CO2 within the cylinder and permits an unrestricted flow of CO2 to the liferaft?

Releasing CO2 from a liferaft cylinder into a liferaft is normally done by activating the?

What action do you take if you find corrosion on the inside of the liferaft inflation cylinder?

Liferaft inflation cylinders having an outside diameter of less than 2 inches and a length of less than 2 feet do not require?

After recharging a liferaft inflation cylinder, but before returning it to serviceable status, what do you do to the cylinder?

Describe oxygen in its natural state

At altitudes between 10,000 and 15,000 feet, what is the greatest danger from hypoxia?

A complete loss of oxygen in a gaseous oxygen system is prevented by what type of valve?

Supply and distribution tubing for aircraft oxygen systems is identified by cellulose tape in what colors?

What valve decreases system pressure in a high-pressure oxygen system?

In a high-pressure oxygen system, the tubing between the filler valve and the pressure reducer valve is made of?

In a molecular sieve oxygen generating system, water droplets from the air are removed by a?

Liquid oxygen converts to gaseous oxygen at an expansion ratio of?

In a liquid oxygen system, what component has the ability to draw gaseous oxygen from the top of the converter for breathing purposes?

On an aircraft liquid oxygen system, the handle on a manually operated buildup and vent valve is designed to prevent?

Which one of these is a disadvantage of a continuous-flow oxygen regulator?

When the cabin altitude of an aircraft reaches 30,000 feet, what component in the pressure-demand oxygen regulator causes 100 percent oxygen to be delivered to the user?

When the PBG/ON/OFF toggle of an oxygen system is placed in the PBG position, what causes the availability of oxygen and pressure breathing?

Which oxygen system allows oxygen to flow automatically to the distribution system when cabin altitude reaches 12,500 feet?

An H-2 emergency assembly (bailout bottle) supplies oxygen to the user for a maximum of about how many minutes?

Assume a capacitance indicating system is being used to indicate the quantity of liquid oxygen in a converter. When the quantity of liguid oxygen in the converter decreases, what happens to the capacitance of the probe?

A liquid oxygen system's pressure fails to stabilize at 110 psi. This could be caused by a failure of the?

A liquid oxygen system is continuously venting gaseous oxygen overboard. The most probable malfunction is a faulty?

You should replace an oxygen mask-to-regulator connector if the no-go portion of the go-no-go gage passes through the?

The minimum required clearance between oxygen system tubing and aircraft control cables is?

To reduce vibration and prevent chafing of oxygen system tubing, you should secure long runs of oxygen tubing at least every?

How do you loosen a B-nut from a fitting on the tubing of an oxygen regulator?

An aircraft gaseous oxygen system must be purged only with?

On a gaseous oxygen servicing trailer, what controls the flow of oxygen?

On a gaseous oxygen servicing trailer, what does the purifier assembly remove from gaseous oxygen?

When servicing a gaseous oxygen system, you should gradually increase the servicing pressure in order to prevent?

What is the service test pressure for a low-pressure gaseous oxygen system leak test?

When performing a high-pressure gaseous oxygen leak test, what minimum amount of time should you wait before taking the second system pressure reading?

An oxygen regulator is considered to be leaking excessively if tester soap bubbles burst in less than how many seconds?

In an oxygen system, a leak test solution indicates a leak by?

The oxygen regulator field tester primarily uses what type of measurement to determine the condition of an oxygen regulator?

Heat gain and liquid oxygen boil-off is minimized in the annular space of a TMU-27/M liquid oxygen storage and transfer cart by?

In a cryotainer, the transfer of heat by conduction is slowed with the use of?

What control valve on an oxygen storage and transfer unit is closed only during head pressure buildup or the transfer of liquid oxygen?

What determines how often you clean a cryotainer fill-drain and service line filter?

During an inspection of a cryotainer, you find a faulty pressure guage. What action should you take?