What is the purpose of a compensating port or valve in a brake master cylinder of an independent brake system?

If an airplane equipped with master cylinders and single disc brakes has excessive brake pedal travel, but the brakes are hard and effective, the probable cause is?

Internal leakage in a brake master cylinder unit can cause the pedal to slowly creep down when pedal pressure is applied, this is known as?

How can it be determined that all air has been purged from a master cylinder brake system?

What is one effect a restricted compensator port of a master cylinder will have on a brake system?

What would be the effect if the piston return spring broke in a brake master cylinder?

If it is determined that spongy brake action is not caused by air in the brake system, what is the next most likely cause?

Many brake types can be adapted to operate mechanically or hydraulically. Which type is not adaptable to mechanical operation?

What would be the cause of brake chatter when brake pressure is applied?

What method is used when bleeding a brake system using a pressure pot?