When the brakes are released, the caliper pistons are retracted by ________
A) Piston seals B) Reverse hydraulic action
C) Springs D) Levers
A
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Not all the groundwater remains available for use. The groundwater mixes with seawater and also flows into the sea below the surface. The infiltration, I, and removal of water from the watershed by subsurface groundwater discharge to the sea is shown in Table 3.13. Calculate, S, in the water budget equation account for all water available in BOTH groundwater and surface water storage.
Apply the water budget equation to evaluate the urgency of water management measures for the island nation of Malta. What will be an ideal response?
Technician A says that an oxygen sensor produces a voltage output signal based on the oxygen content of the exhaust stream. Technician B says that if the exhaust has little oxygen the voltage of the oxygen sensor will be close to 0 volts. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Technician A says that all valves rotate to help prevent the valves and seats from burning. Technician B says that positive type valve rotators are only used on intake valves. Who is right?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
HVACR technicians use tools that compare pressure to atmospheric pressure. What is this type of pressure called?
A) Column pressure B) Barometric pressure C) Gauge pressure D) Absolute pressure