Question 1

When charging a battery you find that the rate of charge has caused the batteries electrolyte to start gassing. You should:

Accepted Answer

A)  Increase the rate of charge 
B)  Maintain the current rate of charge 
C)  Decrease the rate of charge to a slow rate of 6 to 10 amps 
D)  Turn the charger off because the battery is now fully charged 
A)  Increase the rate of charge 
B)  Maintain the current rate of charge 
C)  Decrease the rate of charge to a slow rate of 6 to 10 amps 
D)  Turn the charger off because the battery is now fully charged C

Question 2

Which component within the alternator converts AC voltage into DC voltage?

Accepted Answer

A)  The field diode 
B)  The voltage regulator 
C)  The rectifier diodes 
D)  The stator windings 
A)  The field diode 
B)  The voltage regulator 
C)  The rectifier diodes 
D)  The stator windings C

Question 3

What should the minimum voltage be while using a commercial battery load tester on a battery that is approximately 40°F (4.4°C)?

Accepted Answer

A)  9.6 volts 
B)  9.5 volts 
C)  9.4 volts 
D)  9.3 volts 
A)  9.6 volts 
B)  9.5 volts 
C)  9.4 volts 
D)  9.3 volts D

Question 4

In regards to a starter motor an one-way clutch is often referred to as:

Accepted Answer

A)  A drive pinion 
B)  Overrunning clutch 
C)  Gear reduction 
D)  A plunger 
A)  A drive pinion 
B)  Overrunning clutch 
C)  Gear reduction 
D)  A plunger

Question 5

Which of the following statements is correct in regards to battery reserve capacity?

Accepted Answer

A)  This rating indicates the number of minutes a new fully charge battery at 80° F (26.6° C ) can sustain a load of 25 amperes before the battery voltage draw at 1.75 volts per cell or 10.5volts for a 12 volt battery. 
B)  This rating indicates the number of minutes a new fully charge battery at 70° F (21.1° C ) can sustain a load of 25 amperes before the battery voltage draw at 2.0 volts per cell or 12.2 volts for a 12 volt battery. 
C)  Indicates how long a battery can provide enough power to keep the ignition, head and tail lights, windshield wipers, and heater operating if the battery is fully charged. 
D)  Both statements A and C are correct 
A)  This rating indicates the number of minutes a new fully charge battery at 80° F (26.6° C ) can sustain a load of 25 amperes before the battery voltage draw at 1.75 volts per cell or 10.5volts for a 12 volt battery. 
B)  This rating indicates the number of minutes a new fully charge battery at 70° F (21.1° C ) can sustain a load of 25 amperes before the battery voltage draw at 2.0 volts per cell or 12.2 volts for a 12 volt battery. 
C)  Indicates how long a battery can provide enough power to keep the ignition, head and tail lights, windshield wipers, and heater operating if the battery is fully charged. 
D)  Both statements A and C are correct

Question 6

The engine of a refrigeration unit may shut down if:

Accepted Answer

A)  The engine has low oil pressure 
B)  The engine water temperature is too high 
C)  The refrigerant discharge pressure is too high 
D)  All three of these conditions can cause a unit to shut off unexpectedly 
A)  The engine has low oil pressure 
B)  The engine water temperature is too high 
C)  The refrigerant discharge pressure is too high 
D)  All three of these conditions can cause a unit to shut off unexpectedly

Question 7

If performing an open circuit voltage test a fully charge battery should read approximately _______ with a direct current volt meter.

Accepted Answer

A)  12.66 volts 
B)  12.48 volts 
C)  12.30 volts 
D)  11.76 volts 
A)  12.66 volts 
B)  12.48 volts 
C)  12.30 volts 
D)  11.76 volts

Question 8

The liquid found within the battery is commonly referred to as:

Accepted Answer

A)  Water 
B)  Electrolyte 
C)  Acid 
D)  The wet charge 
A)  Water 
B)  Electrolyte 
C)  Acid 
D)  The wet charge

Question 9

Cold cranking amps is the load in amperes that a battery can sustain for 30 seconds at 0°F (-17°C) and not fall below ______ volts on a 12 volt battery.

Accepted Answer

A)  6.8 
B)  7.2 
C)  8.4 
D)  9.6 
A)  6.8 
B)  7.2 
C)  8.4 
D)  9.6

Question 10

When water must be replenished in a battery it should be:

Accepted Answer

A)  Filled till the fluid level reaches the vents 
B)  Level with the top of the plates 
C)  Just below the top of the plates 
D)  1/8 inch below the vents 
A)  Filled till the fluid level reaches the vents 
B)  Level with the top of the plates 
C)  Just below the top of the plates 
D)  1/8 inch below the vents

Question 11

What should the specific gravity rating be while using a hydrometer on a fully charged battery at 70°F (21.1°C)?

Accepted Answer

A)  1.269 
B)  1.265 
C)  1.261 
D)  1.257 
A)  1.269 
B)  1.265 
C)  1.261 
D)  1.257

Question 12

Battery cases and terminals should be cleaned with:

Accepted Answer

A)  Soap and water 
B)  Engine shampoo 
C)  A solution of baking soda and water 
D)  A steam cleaner 
A)  Soap and water 
B)  Engine shampoo 
C)  A solution of baking soda and water 
D)  A steam cleaner

Question 13

Of the following, which element is required to produce voltage by chemical reaction?

Accepted Answer

A)  Lead dioxide 
B)  Spongy lead 
C)  Electrolyte 
D)  All three components are required to produce voltage 
A)  Lead dioxide 
B)  Spongy lead 
C)  Electrolyte 
D)  All three components are required to produce voltage

Question 14

When boosting the battery of a refrigeration unit what is the last battery connection to be made?

Accepted Answer

A)  Positive jumper cable to the positive (+) post of the stalled battery. 
B)  Connect one end of the negative jumper cable to the negative (-) post of the jumper battery. 
C)  Connect one end of the negative jumper cable to a good chassis ground connection on the stalled unit away from the stalled battery. 
D)  Connect the positive end of the jumper cable to the positive (+) of the jump starting battery. 
A)  Positive jumper cable to the positive (+) post of the stalled battery. 
B)  Connect one end of the negative jumper cable to the negative (-) post of the jumper battery. 
C)  Connect one end of the negative jumper cable to a good chassis ground connection on the stalled unit away from the stalled battery. 
D)  Connect the positive end of the jumper cable to the positive (+) of the jump starting battery.

Question 15

What is the best temperature to store a battery at?

Accepted Answer

A)  80°F to 90°F (26.6°C to 32.2°
C)  
B)  70°F to 80°F (21.1°C to 26.6°
C)  
C)  50°F to 60°F (10°C to 15.5°
C)  
D)  30°F to 40°F (-1.1°C to 4.4°
C)  
A)  80°F to 90°F (26.6°C to 32.2°
C)  
B)  70°F to 80°F (21.1°C to 26.6°
C)  
C)  50°F to 60°F (10°C to 15.5°
C)  
D)  30°F to 40°F (-1.1°C to 4.4°
C)

When charging a battery you find that the rate of charge has caused the batteries electrolyte to start gassing. You should:

Which component within the alternator converts AC voltage into DC voltage?

What should the minimum voltage be while using a commercial battery load tester on a battery that is approximately 40°F (4.4°C)?

In regards to a starter motor an one-way clutch is often referred to as:

Which of the following statements is correct in regards to battery reserve capacity?

The engine of a refrigeration unit may shut down if:

If performing an open circuit voltage test a fully charge battery should read approximately _______ with a direct current volt meter.

The liquid found within the battery is commonly referred to as:

Cold cranking amps is the load in amperes that a battery can sustain for 30 seconds at 0°F (-17°C) and not fall below ______ volts on a 12 volt battery.

When water must be replenished in a battery it should be:

What should the specific gravity rating be while using a hydrometer on a fully charged battery at 70°F (21.1°C)?

Battery cases and terminals should be cleaned with:

Of the following, which element is required to produce voltage by chemical reaction?

When boosting the battery of a refrigeration unit what is the last battery connection to be made?

What is the best temperature to store a battery at?

History of Hvac

Environmental and Safety Practices

Thermodynamics

Air Conditioning Components: Compressor, Condenser, and Receiver-Drier

Air-Conditioning Components: Metering Devices, Evaporator, Accumulator

Air Conditioning Systems

Service Procedures

Truck Engine Cooling Systems

Climate Controlsupplemental Truck Heatingcooling

Trouble Shooting

Apadsacpu Air Conditioning Control Systems Air Conditioning Protection Unit

Coach Air Conditioning

Truck Trailer Refrigeration Equipment

Truck Trailer Refrigeration Components

Truck Trailer Refrigerant Flow Control

Truck Trailer Refrigeration Maintenance Procedures

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Exam 16: Truck Trailer Refrigeration Electrical Components

When charging a battery you find that the rate of charge has caused the batteries electrolyte to start gassing. You should:

Which component within the alternator converts AC voltage into DC voltage?

What should the minimum voltage be while using a commercial battery load tester on a battery that is approximately 40°F (4.4°C)?

In regards to a starter motor an one-way clutch is often referred to as:

Which of the following statements is correct in regards to battery reserve capacity?

The engine of a refrigeration unit may shut down if:

If performing an open circuit voltage test a fully charge battery should read approximately _______ with a direct current volt meter.

The liquid found within the battery is commonly referred to as:

Cold cranking amps is the load in amperes that a battery can sustain for 30 seconds at 0°F (-17°C) and not fall below ______ volts on a 12 volt battery.

When water must be replenished in a battery it should be:

What should the specific gravity rating be while using a hydrometer on a fully charged battery at 70°F (21.1°C)?

Battery cases and terminals should be cleaned with:

Of the following, which element is required to produce voltage by chemical reaction?

When boosting the battery of a refrigeration unit what is the last battery connection to be made?

What is the best temperature to store a battery at?

History of Hvac

Environmental and Safety Practices

Thermodynamics

Air Conditioning Components: Compressor, Condenser, and Receiver-Drier

Air-Conditioning Components: Metering Devices, Evaporator, Accumulator

Air Conditioning Systems

Service Procedures

Truck Engine Cooling Systems

Climate Controlsupplemental Truck Heatingcooling

Trouble Shooting

Apadsacpu Air Conditioning Control Systems Air Conditioning Protection Unit

Coach Air Conditioning

Truck Trailer Refrigeration Equipment

Truck Trailer Refrigeration Components

Truck Trailer Refrigerant Flow Control

Truck Trailer Refrigeration Maintenance Procedures

Filters