Two technicians are discussing master cylinders. technician a says that it is normal to see fluid movement in the reservoir when the brake pedal is depressed. technician b says a defective master cylinder can cause the brake pedal to slowly sink to the floor when depressed. which technician is correct

Technicians A and B are both correct

Explanation:

A quick take-up valve in a quick take-up master cylinder assembly which reduces fluid flow noise and restriction caused by fluid flowing in one mode of operation through an incipiently or substantially closed valve spring coil stack. The check valve arrangement has a coil compression limiting device and also has the outlet orifice so positioned as not to require fluid flow through the check valve spring coils while the check valve is open.

If the brake warning light is NOT on and there are no visible brake fluid leaks, your master cylinder may be worn or leaking internally allowing the brake pedal to slowly sink when pressure is applied to it. This type of condition will be most noticeable when you are holding constant pressure against the brake pedal at a stop light. If the pedal sinks or requires pumping to keep your car from creeping ahead, the master cylinder needs to be replaced.

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find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle