rec 2

When troubleshooting a low or no propane pressure, the regulator should be

• under pressure to exceed 14 in. WC

• cooled to below freezing

• heated to boiling level

• warmed to room temperature

In the event of an excessive flow of current, fuses and circuit breakers are

designed to protect a circuit by_______

• limiting the amount of current flow

• opening and interrupting the flow of electricity through the circuit

• opening only during a short circuit

• opening only during component start up

The EPA has mandated that generator carburetors must be__________

• non-adjustable

• adjustable

• rebuildable

• dual fuel

Which of the following is NOT a method manufacturers’ use to construct walls on RV’s?

• bonded sidewall

• semi

  -bonded

• aluminum tube frame

• extruded Styrofoam

Which of the following is NOT a component on a fresh water tank?

• baffles

• vent opening

• accumulator

• drain opening

If an air conditioner trips a 20-amp circuit breaker, which of the following is NOT the cause?

• inside coil freezing

• faulty breaker

• short cycling

• low voltage

A transfer switch transfers between ________

• 2 sources

• 3 sources

• 4 sources

• 1 source

________ propane containers before placing them in service

• fill

• pressurize

• empty

• purge

Water weighs about _____lbs. per US gallon

• 8.0

• 8.25

• 9.0

• 9.25

What causes intermittent hot and cold water at all faucets ?

• water heater bypassed

• spun connections

• restricted water lines

• open bypass valve