What is the purpose of the venturi on a one-pipe venturi system?
A) The venturi separates air bubbles from the circulating water.
B) The venturi creates a negative pressure at the main connection, drawing the necessary flow through the branch.
C) The venturi mixes the supply and return water for more even temperatures.
D) The venturi increases the pressure in the pipe to offset piping losses.
B
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What will be an ideal response?
Technician A says that the brake pedal height should be checked as part of a thorough visual inspection of the brake system. Technician B says the pedal free play and pedal reserve should be checked. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A rear main seal is designed to keep coolant from leaking out of the engine.
Indicate whether the statement is true or false
An NPN transistor will short from emitter to collector when
A) the base is more positive than the emitter. B) the collector is more positive than the emitter. C) the emitter is more positive than the collector. D) the base is more negative than the emitter.