AND ANSWERS RATED A+
✔✔When de-winterizing, what is the purpose of opening the faucet in the coach? -
✔✔Let air into the system
✔✔Choose from _____ grades of antifreeze that are suitable for the _____ when
winterizing. - ✔✔2; temperature
✔✔During winterization of an entire RV water system, all water is - ✔✔Replaced with
antifreeze to prevent freezing
✔✔What does the liquid waste holding tank contain, and what does the body waste
holding tank contain? - ✔✔Grey water; solid waste water
✔✔An anti-siphon trap device can be substituted for a - ✔✔Secondary vent
✔✔When an RV is equipped with a liquid waste holding system, a _____ test should be
performed for 15 minutes during a fixture flood test. - ✔✔Static water
✔✔When conducting PDI of a waste water system, conduct a flow test _____ a flood
test. - ✔✔Before
✔✔When winterizing the waste system, what is the purpose of pouring another cup of
antifreeze down the drain at the kitchen, lavatory sink, and show/tub drains? - ✔✔To
check if the p-traps have antifreeze
✔✔After flushing and cleaning holding tanks during winterization, drain each tank and -
✔✔Close termination valves
✔✔Sewage wastewater holding tanks can receive discharge from - ✔✔Any number of
RV fixtures
✔✔Which test requires the entire drainage system, including holding tanks, to be filled
until water appears at the bottom of the lowest fixture on each system? - ✔✔Fixture
flood test
✔✔What is checked last during a flow test? - ✔✔Leaks
✔✔Which statement is true? - ✔✔Electrons in the outer orbits are attracted less
powerfully to the nucleus
✔✔Which of these is a function of insulators? - ✔✔Confines electron flow
, ✔✔What is true about the ends of permanent magnets? - ✔✔They are more
concentrated than the middles
✔✔If a length of wire carrying a current is bent to form a loop, the lines of force around
the conductor will leave at one side of the loop and enter - ✔✔On the opposite side
✔✔What is the symbol for current flow? - ✔✔I
✔✔When two points of unequal potential or voltage are connected - ✔✔Current flows
✔✔Joining RV batteries in series allows the technician to - ✔✔Keep the same
amperage and add voltage
✔✔To properly measure current with a VOM, you must connect the VOM - ✔✔In series
with the source
✔✔Convert 125 milliamps to amperes - ✔✔.125
✔✔What is the correct setting on a VOM for measuring DC Amperage? - ✔✔mA or
DCA
✔✔When using a voltmeter to test for voltage in a simple circuit, always connect the
meter in _______________ with the load. - ✔✔Parallel
✔✔Convert 400 millivolts to volts. - ✔✔.40
✔✔What is the basic unit of resistance? - ✔✔Ohm
✔✔At constant voltage, double the resistance is equal to _____ the current. - ✔✔1/2
✔✔In the final calculations of Ohm's Law, current is always expressed in - ✔✔Amperes
✔✔When an accident occurs, it must be reported to - ✔✔The supervisor
✔✔Which of these is associated with system grounding? - ✔✔The power supply cord is
connected to the power pedestal
✔✔The intentional grounding of all metal noncurrent carrying parts of the electrical
system is called - ✔✔Equipment grounding