310T EXAM - ELECTRONICAL AND
ELECTRICAL SYSTEMS | 113 QUESTIONS |
WITH COMPLETE SOLUTIONS.
1 of
113
Term
When testing a databus backbone, which of the following would indicate
proper wiring?
A resistance of 60 ohms
A 100 volt supply
A 24 volt supply
A resistance of 120 ohms
Give this one a try later!
, a.Shorted motor windings a. WM (pulse width modulation)
a. Low alternator output a. A resistance of 60 ohms
Don't know?
2 of 113
Term
74. If you suspect a lead acid battery has frozen, what should you do
next?
a. Replace the battery
b. Charge at high amperage
c. Heat with a propane torch
d.Trickle charge and observe response
Give this one a try later!
c. Size the conductors to the load. d. Alternator belts and pullies
c. directly on the battery negative d. Trickle charge and observe
post response
Don't know?
3 of 113
Term
,1. When trouble shooting an electrical engine or transmission,
what else might be require?
a.Test lamp
b. Break out box
c. Continuity tester
d. Ohm meter
Give this one a try later!
b. break out box d. Diode check
c. Carbon pile b. Field coil windings
Don't know?
4 of 113
Term
23.How is the ammeter (DVOM) connected to test for excessive
parasitic drain?
a. In series
b. In parallel
Give this one a try later!
a. In series d. Ohmmeter
d. Nothing b. Close to 5V-DC
, Don't know?
5 of 113
Term
Terminals of the 9 pin Deutsch connector shows infinite resistance
on the j1939 circuit. What
is the likely reason?
a. Nothing, this is normal
b.An open in the circuit
c. A Short in the circuit
d. J1708 data bus present
Give this one a try later!
d. all of the above a. No current output
no answer in book b. open in the relay
Don't know?
6 of 113
Term
101. How do you separate an electrical bulk head connector?
a.Separate secondary lock and remove
b. Pull connector apart from the wires
ELECTRICAL SYSTEMS | 113 QUESTIONS |
WITH COMPLETE SOLUTIONS.
1 of
113
Term
When testing a databus backbone, which of the following would indicate
proper wiring?
A resistance of 60 ohms
A 100 volt supply
A 24 volt supply
A resistance of 120 ohms
Give this one a try later!
, a.Shorted motor windings a. WM (pulse width modulation)
a. Low alternator output a. A resistance of 60 ohms
Don't know?
2 of 113
Term
74. If you suspect a lead acid battery has frozen, what should you do
next?
a. Replace the battery
b. Charge at high amperage
c. Heat with a propane torch
d.Trickle charge and observe response
Give this one a try later!
c. Size the conductors to the load. d. Alternator belts and pullies
c. directly on the battery negative d. Trickle charge and observe
post response
Don't know?
3 of 113
Term
,1. When trouble shooting an electrical engine or transmission,
what else might be require?
a.Test lamp
b. Break out box
c. Continuity tester
d. Ohm meter
Give this one a try later!
b. break out box d. Diode check
c. Carbon pile b. Field coil windings
Don't know?
4 of 113
Term
23.How is the ammeter (DVOM) connected to test for excessive
parasitic drain?
a. In series
b. In parallel
Give this one a try later!
a. In series d. Ohmmeter
d. Nothing b. Close to 5V-DC
, Don't know?
5 of 113
Term
Terminals of the 9 pin Deutsch connector shows infinite resistance
on the j1939 circuit. What
is the likely reason?
a. Nothing, this is normal
b.An open in the circuit
c. A Short in the circuit
d. J1708 data bus present
Give this one a try later!
d. all of the above a. No current output
no answer in book b. open in the relay
Don't know?
6 of 113
Term
101. How do you separate an electrical bulk head connector?
a.Separate secondary lock and remove
b. Pull connector apart from the wires
