Technician A says that drum brakes can fail to slow the vehicle if driven through deep water. Technician B says that when drum brakes get hot, the brake pedal will drop because the drum expands away from the shoes. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Question 2
What causes the pressure to increase on one side of the hydraulic system during a turn?
A) The speed of the pump B) Action of the rotary valve
C) Temperature of the fluid D) The speed of the vehicle
Solar-powered vehicle
A typical camshaft-driven high-pressure pump used to increase fuel pressure to 2,000 PSI or higher.
The movement of water vapor molecules exerts vapor pressure on surfaces.
A Well of Sources for Bottled Water
Sodium has a strong reaction to water
Changes of State of Water