問題一覧
1
A Portable Generator
Must be used outside
2
Which of the following does NOT influence generator capacity
liquid fuel tank levels above 1/4
3
The EPA has mandated that carburetors must be…?
non-adjustable
4
What does letter H represent
oil fill cap and dipstick
5
When checking voltage, always assume that the circuit is
live
6
Which item is appropriate electrical PPE when working on electrical equipment?
electrical safety glasses
7
Which of the following wires has the greatest cross-sectional areas?
8 AWG
8
On an air-cooled generator, what is the most probable cause for the engine overheating?
inadequate airflow
9
Which of the following is NOT a reason manufacturers require minimum compartment clearances on generator installations?
to safely keep exhaust gases from getting inside living compartment
10
Discharge air is the result of the -BLANK- being moved across the engine surfaces or radiator to cool the motor and generator
Intake air
11
The generators gasoline supply fuel lines must be..?
separate from the RVs primary mover engine fuel lines
12
What is Letter A
fuel filter
13
Which of the following is a better wire type for generator controls?
stranded
14
The wiring from the generator to the first termination must be
enclosed in a approved conduit
15
In order to limit the Possibility of wires coming loose due to vibration and movement of the RV, generator, wiring, and wire nuts should…
Be wrapped with electrical tape and wire nuts
16
Which of the following is NOT a component of basic air-cooled generator set
Radiator
17
In a liquid cooling system, the system is filled with…?
A 50-50 water/antifreeze mixture
18
Overfilling a crank case with oil can cause all of the following except?
Increase efficiency
19
Black smoke billowing out of an exhaust pipe of the generator is an indication of?
Unburned fuel
20
Which of the following can be a problem of diesel field engines operating under light load?
Wet stacking
21
Which adjustment is made on a mechanical-governed generator for low-voltage?
Engine governor spring tension adjustment
22
The four stroke power cycle is completed in how many revolutions of the Crank Shaft?
2
23
Which tool is used to check ignition timing
Timing light
24
Possible ways to start a generator are wireless, remote, local start switch, Remote start switch, and…?
AGS
25
Which of the following is NOT a location where a generator can be started
From the key ignition
26
A generator operating on gasoline and a motorhome stops and will not start. A possible cause is…?
Low fuel in tank
27
Letter B on the image represents what Part of the carburetor?
Throttle stop screw
28
Generator output frequency is low. A possible cause is.?
Improper RPM
29
Rectification is the process of converting..?
AC voltage into DC voltage
30
When DC voltage is supplied through the slip ring into the windings, the generator rotor will become what.?
An electromagnet
31
Which meter would be used to measure the cycles of a generator?
Frequency meter
32
What is the minimum recommended exercise and turbo for an RV generator?
Monthly
33
High oil consumption in a generator may be caused by all of the following EXCEPT?
Cold starting units
34
When inspecting spark plugs, what condition do you have for a light load?
Carbon fouled
35
The generator Will no longer handle normal loads. What of the following is a likely check or corrections the technician should perform?
Check fuel system
36
In a systems troubleshooting process, the goal is to..?
Isolate cause of the problem to a major system
37
The majority of the problems regarding generators And the reason generators don’t start is..?
Battery related
38
No fuel delivered to the carburetor is caused by all of the following EXCEPT?
Fuel tank above half tank
39
To disable the automatic generator starting AGS system, when performing repairs or maintenance…?
Disconnect the generator battery
40
A Transfer switch transfers between
Two sources
41
The transfer switch draws power to operate from the..?
Available source
42
The function of a magnetic-pick up is?
Sense actual engine speed
43
A liquid high-pressure propane system requires which of the following..?
Converter/vaporizer
44
The duration of recovery for electronic steady state speed/frequency when load is applied to a generator is controlled by which device?
Governor
45
When checking generator stater, the resistance reading is found to be half of what is specified. This indicates that the stater windings are..?
Shorted
46
Voltage is controlled by controlling the..?
Magnetic strength of the main rotor
47
When the generator voltage increases above setpoint, the voltage regulator will..?
Decrease current to the field