Opponent Components
Cool CATs
Grilled States
Don't Pressure Luck
She's real fine, my 609
100
This is the beating heart of the A/C system.
The compressor
100
Caterpillar Autonomous Haul-Trucks have hauled enough material to pave a 2-lane highway around the entire globe. The largest of these Self-thinking, self-driving behemoths is the ________.
797.
100
The refrigerant enters the compressor as what state of matter?
Gas.
100
How much pressure is sea level?
14.7 psia.
100
Is it acceptable and legal to vent HFC-134a
No
200
This component creates a vacuum in the system.
Metering Device.
(orifice tube, TXV, or H-Block).
200
Small enough to fit through a doorway, Caterpillar's smallest machine is the _______?
300.9D
200
The refrigerant is in what state of matter when it enters the condenser?
Gas
200
If you pull a vacuum on a container, too much outside air pressure can make it ________.
Implode.
200
The transportation industry is moving to new refrigerants that have a lower:
- a) Credit score
- b) Global Warming Potential (GWP)
- c) Tax rate
- d) Survival rate
(B) Global Warming Potential (GWP)
300
This component is where the refrigerant releases Latent Heat.
The condenser.
300
The Caterpillar 6090 is the largest excavator on Earth. It's working weight of 2,200,000.00lbs is equivalent to 10 fully-loaded _________, Caterpillar's largest Dozer.
D-11 Dozer.
300
Where in a TXV/H-Block system is moisture removed?
In the Receiver/Dryer.
300
Name 2 ways we can make a liquid boil.
Add heat, or remove pressure.
300
The sale of HFC-134a in containers less than two pounds is restricted to:
- a) Dealers and Parts stores
- b) Distribution Centers
- c) Warehouses
- d) There is no sales restriction on HFC-134a in containers less than 2lbs
(D) There is no sales restriction on HFC-134a in containers less than 2lbs.
400
This special component allows the refrigerant to boil off completely before heading to the compressor.
The Accumulator
400
Developed in the 1950's, and finally shipped in 1963, CAT's first Haul Truck was the ________ ?
769
400
Inside the evaporator, the refrigerant changes state from a ______ to a ______.
From a Liquid to a Gas.
400
When does vacuum occur?
Below 14.7 psia
400
When recovery/recycling equipment is used to remove refrigerant from a mobile A/C system, how much lubricant will be removed during the operation?
- a) None
- b) 5-10oz
- c) Generally very little, if any
- d) All of it
(C) Generally very little, if any.
500
Where in a system would the Receiver/Dryer be found?
Between the Condenser and the metering device.
500
The Caterpillar 797 is so large that it's bed can hold an entire movie theatre.
The Caterpillar museum, in this city, has such an example of one.
Peoria, Illinois.
500
Where is the refrigerant a low pressure gas?
After the evaporator, before the compressor.
500
If you were to sink to the bottom of the ocean, what would pressure do to your body?
Your body would implode.
500
What part of the Clean Air Act gives the EPA authority to establish standards regarding servicing of mobile A/C?
Section 609
600
This component has 2 streams of refrigerant running through it.
H-Block.
600
The size of a small apartment building, the CAT 8750 is so massive that the cab includes it's own break room. 
What type of machine is the 8750?
It's a dragline.
600
The refrigerant enters the metering device as a _______ pressure, _______ state, and exits as a _______ pressure, _______ state.
enters as a high pressure liquid, exits as a low pressure liquid.
600
What is considered perfect vacuum?
30 inches of mercury.
600
CFC-12 recovery equipment has SAE 3/8-inch service fittings. HFC-134a recovery equipment has:
- a) 15/16-inch service fittings
- b) Snap-Ring lifters
- c) Valve Solenoids
- d) Quick-Couple design
(D) Quick-Couple design.
700
What component allows refrigerant out of the compressor without sucking it back in?
Reed valve.
700
Almost a decade before Caterpillar made their first tractor, what other piece of machinery bore the Caterpillar name?
The Holt G-9"Caterpillar" tank. 
700
The refrigerant enters the compressor as a _______ pressure _______ state, and exits as a _______ pressure _______ state.
Enters as a low-pressure gas, exits as a high-pressure gas.
700
What is the symbol for Mercury on the table of elements?
Hg
700
Paid technicians who service or repair buses using HCFC-22 as refrigerant, and/or service or repair aircraft or ship/boat cargo refrigeration equipment:
- a) Must be Section 609 Certified
- b) Must be Section 608 Type 2 Certified
- c) Must be SAE Master Level Certified
- d) Must be BSIS State Certified
(B) Must be Section 608 Type 2 Certified
800
The bulb-end of the TXV is usually found touching what other component?
The evaporator.
800
Benjamin Holt, one of Caterpillar's founders, actually disliked the name "Caterpillar". He referred to the machines as what other kind of creature?
Mud Turtles.
800
What (2) places can the refrigerant be a low-pressure liquid?
Entering the evaporator, and in the Accumulator.
800
Originally released as a single in October 1981, what (2) British powerhouses came together to release "Under Pressure"?
Queen and David Bowie.
800
Why is it necessary to ensure that service port caps containing good seals are installed?
- a) To minimize refrigerant loss
- b) To improve system efficiency
- c) To reduce compressor workload
- d) To comply with environmental regulations
(A) To minimize refrigerant loss.