Quiz Over Behavior Of Liquids And Gases

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Quizzes Created: 8 | Total Attempts: 8,181
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  • 1/100 Questions

    Which type of measurement may be used to express pressure?

    • Kilograms
    • Pounds
    • Tons
    • Pounds per square inch
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About This Quiz

There are three main states of matter namely, solids, liquids, and gasses. In this quiz, we look deeply into the volume of liquids and gasses and their behaviors in different conditions. All the best as you test and advance your knowledge.

Quiz Over Behavior Of Liquids And Gases - Quiz

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  • 2. 

    The standard measure for atmospheric pressure is equal to how many pounds per square inch?

    • 13.1 psi

    • 14.7 psi

    • 15.2 psi

    • 17.0 psi

    Correct Answer
    A. 14.7 psi
    Explanation
    Atmospheric pressure is the force exerted by the weight of the atmosphere. It is commonly measured in pounds per square inch (psi). The standard measure for atmospheric pressure is 14.7 psi. This value is based on the average atmospheric pressure at sea level, where the weight of the atmosphere is balanced by the force of gravity.

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  • 3. 

    During multiple source refueling, what action, if any, should be taken if backflow is detected?

    • No action is required

    • Increase engine RPMs

    • Decrease the engine RPMs

    • Stop the operation immediately

    Correct Answer
    A. Stop the operation immediately
    Explanation
    022

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  • 4. 

    What is the lifting force of a liquid called?

    • Laminar

    • Interface

    • Buoyance

    • Dynamic pressure

    Correct Answer
    A. Buoyance
    Explanation
    001

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  • 5. 

    According to the electron theory, atoms are composed of

    • Protons, neutrons, and electrons

    • Neutrons, elements, and protons

    • Electrons, molecules, and elements

    • Electrons, neutrons, and matter

    Correct Answer
    A. Protons, neutrons, and electrons
    Explanation
    003

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  • 6. 

    What term is used to define the process that takes place when water forms into droplets after passing through filter elements?

    • Separation

    • Integration

    • Coalescing

    • Commingling

    Correct Answer
    A. Coalescing
    Explanation
    004

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  • 7. 

    How often should hot refueling personnel undergo certification for hot refueling  operations?

    • Monthly

    • Quarterly

    • Semiannually

    • Annually

    Correct Answer
    A. Annually
    Explanation
    022

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  • 8. 

    Which best describes immiscible liquids?

    • They mix well together

    • One liquid will float on the other

    • They will become an entrained solution

    • They will repel each other and react violently

    Correct Answer
    A. One liquid will float on the other
    Explanation
    001

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  • 9. 

    Which shell of the valence electrons determines whether a material is a good or a poor conductor of electricity?

    • The outermost shell

    • The middle shell

    • The second shell

    • The first shell

    Correct Answer
    A. The outermost shell
    Explanation
    003

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  • 10. 

    When personnel are servicing aircraft with the type IV hydrant system, who is responsible for positioning the aircraft on the hot pad?

    • Fuels operator

    • Fuels operations supervisor

    • Hot refueling crewman

    • Hot refueling supervisor

    Correct Answer
    A. Hot refueling supervisor
    Explanation
    012

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  • 11. 

    When configuring the automated data collection (ADC) system, what maximum number of dial retries can you configure the user interface terminal’s (UIT) to attempt?

    • 30

    • 49

    • 60

    • 99

    Correct Answer
    A. 99
    Explanation
    024

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  • 12. 

       Which temperature scale is commonly used for scientific measurements?

    • Kelvin scale

    • Rankine scale

    • Reaumur scale

    • Fahrenheit scale

    Correct Answer
    A. Kelvin scale
    Explanation
    002

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  • 13. 

    How do the charges of protons and electrons differ?

    • Protons have positive charges, and electrons have neutral charges

    • Protons have neutral charges, and electrons have positive charges

    • Protons have negative charges, and electrons have positive charges

    • Protons have positive charges, and electrons have negative charges

    Correct Answer
    A. Protons have positive charges, and electrons have negative charges
    Explanation
    003

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  • 14. 

    The uniform movement of electrons in a specific direction is called

    • Electrical potential

    • Free electrons

    • Electric current

    • Ionization

    Correct Answer
    A. Electric current
    Explanation
    003

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  • 15. 

    What type of current flow is the result of voltages produced by batteries and thermocouples?

    • Open current

    • Direct current

    • Latent current

    • Alternating current

    Correct Answer
    A. Direct current
    Explanation
    003

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  • 16. 

    Which is not a type of positive displacement pump?

    • Gear

    • Piston

    • Rotary

    • Centrifugal

    Correct Answer
    A. Centrifugal
    Explanation
    004

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  • 17. 

    What type of lubricant is used to lubricate the power takeoff (PTO) on a fuel dispensing system?

    • Thirty-weight motor oil

    • Ninety-weight gear oil

    • Synthetic gear lube

    • Silicone grease

    Correct Answer
    A. Ninety-weight gear oil
    Explanation
    004

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  • 18. 

    What size mesh screen is used in the type III hydrant system receiving strainer?

    • 20

    • 40

    • 60

    • 80

    Correct Answer
    A. 60
    Explanation
    0100

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  • 19. 

    What action, if any, should be taken if a commercial delivery operator does not provide a Department of Defense (DD) Form 250 with a liquid oxygen (LOX) shipment?

    • No action is required

    • Notify the FMT and obtain an odor sample

    • Contact AFPET for disposition instructions

    • Inform the FSC and await further guidance

    Correct Answer
    A. Inform the FSC and await further guidance
    Explanation
    019

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  • 20. 

    Two or more atoms combined is called a

    • A compound

    • An element

    • A molecule

    • A mixture

    Correct Answer
    A. A molecule
    Explanation
    003

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  • 21. 

    When do the magnetic lines of force in a magnet cross?

    • When the north pole of a magnet is placed near the north pole of another magnet.

    • When the south pole of a magnet is placed near the north pole of another magnet.

    • When a permanent magnet and a temporary magnet are put together.

    • Magnetic lines of force never cross each other.

    Correct Answer
    A. Magnetic lines of force never cross each other.
    Explanation
    003

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  • 22. 

    What type of material is used to construct the fuel tank on the R-11?

    • Titanium

    • Stainless steel

    • Sheet aluminum alloy

    • Steel-reinforced carbon fiber

    Correct Answer
    A. Sheet aluminum alloy
    Explanation
    004

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  • 23. 

    What type of meter is used on most fuel dispensing systems?

    • Tri-rotor, positive displacement

    • Bi-rotor, positive displacement

    • Single-stage, bi-directional

    • Dual-stage, bi-directional

    Correct Answer
    A. Bi-rotor, positive displacement
    Explanation
    004

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  • 24. 

    During bottom loading operations, what occurs when the signal to the bottom loading optic probe is lost?

    • The bottom loading valve modulates to prevent deadheading

    • The electronic control module cuts power to the fillstand pump

    • The bottom loading valve cuts power to the electronic control module

    • The electronic control module cuts power to the bottom loading electric air solenoid

    Correct Answer
    A. The electronic control module cuts power to the bottom loading electric air solenoid
    Explanation
    004

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  • 25. 

    When, if ever, is a particulate test on a liquid oxygen (LOX) cart required?

    • Never

    • Once every 90 days

    • After a LOX cart has been filled

    • When particulate contamination is suspect

    Correct Answer
    A. When particulate contamination is suspect
    Explanation
    021

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  • 26. 

     Which statement best describes a positive ion?

    • An atom that lost a proton and has more electrons

    • An atom that lost an electron and has more protons

    • An atom that has an equal number of electrons and protons

    • An atom that cannot throw off any protons

    Correct Answer
    A. An atom that lost an electron and has more protons
    Explanation
    003

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  • 27. 

    What type(s) of current flow cannot be transformed from a higher voltage to a lower voltage?

    • Latent current

    • Direct current

    • Latent and open current

    • Alternating and direct current

    Correct Answer
    A. Direct current
    Explanation
    003

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  • 28. 

    What item protects fuel dispensing system electrical components against overload?

    • Automatic reset-type circuit breakers

    • Manual reset-type circuit breakers

    • Twenty-five amp Bosch-type fuse

    • Ten amp ATO fuse

    Correct Answer
    A. Automatic reset-type circuit breakers
    Explanation
    004

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  • 29. 

    Which publication is a memorandum issued by commercial manufacturers advising maintainers of minor defects with a product?

    • TCTO

    • Service bulletin

    • Technical manual

    • Manufacturer’s recall

    Correct Answer
    A. Service bulletin
    Explanation
    008

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  • 30. 

    What happens if the tank outlet manual valve on the type III hydrant system is open during an emergency stop situation?

    • A horn will sound

    • The upstream butterfly valve closes

    • The downstream butterfly valve closes

    • The tank outlet valve will close automatically

    Correct Answer
    A. A horn will sound
    Explanation
    011

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  • 31. 

    What major command (MAJCOM) developed the type IV pressurized hot refueling system?

    • Pacific Air Force (PACAF)

    • Air Combat Command (ACC)

    • Air Mobility Command (AMC)

    • United States Air Force in Europe (USAFE)

    Correct Answer
    A. United States Air Force in Europe (USAFE)
    Explanation
    012

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  • 32. 

    When preparing to issue liquid nitrogen (LIN), what action, if any, should you take if a receiving tank’s Air Force Technical Order (AFTO) Forms 244/245 lists an open Red X condition?

    • No action is required

    • Do not fill the receiving tank

    • Inform the FMT and await further instructions

    • Notify the FSC and request line expediter assistance

    Correct Answer
    A. Do not fill the receiving tank
    Explanation
    019

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  • 33. 

    What is a major difference between a gas and a liquid?

    • A liquid is far less compressible than a gas.

    • A gas is far less compressible than a liquid.

    • A liquid is more combustible than a gas.

    • A gas is more combustible than a liquid.

    Correct Answer
    A. A liquid is far less compressible than a gas.
    Explanation
    001

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  • 34. 

    What determines the intensity of the excess pressure in a water-hammer wave?

    • The size of the pipe

    • The specific gravity of the fuel

    • The change in gallons per minute

    • The amount of extinguished velocity

    Correct Answer
    A. The amount of extinguished velocity
    Explanation
    001

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  • 35. 

    What is the unit of measurement of electrical power?

    • Watts

    • Volts

    • Amps

    • Ohms

    Correct Answer
    A. Watts
    Explanation
    003

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  • 36. 

    On the type V hydrant system, what size are the stainless steel pantographs that are installed inside the hardened shelters?

    • 3 inches

    • 6 inches

    • 9 inches

    • 12 inches

    Correct Answer
    A. 3 inches
    Explanation
    013

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  • 37. 

    When performing a monthly inspection on emergency switches, check to ensure

    • The switches are not damaged

    • Proper lubrication of the switches

    • The switches are mechanically functional

    • Proper operation while the system control panel/operation circuit is energized

    Correct Answer
    A. Proper operation while the system control panel/operation circuit is energized
    Explanation
    014

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  • 38. 

    A 3-hoursepower motor consumes how much power?

    • 755 W

    • 1,534 W

    • 2,023 W

    • 2,238 W

    Correct Answer
    A. 2,238 W
    Explanation
    003

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  • 39. 

    What component found on R-11s and R-12s prevents the auxiliary throttle from operating unless the power takeoff (PTO) is engaged?

    • PTO interlock system

    • Throttle interlock system

    • Emergency shutdown switch

    • Emergency engine kill switch

    Correct Answer
    A. Throttle interlock system
    Explanation
    004

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  • 40. 

    Which of the following may direct shipment of a vehicle with less than 50 percent life expectancy to satisfy mission requirements?

    • LRS commander

    • Wing commander

    • MAJCOM

    • HQ USAF

    Correct Answer
    A. MAJCOM
    Explanation
    009

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  • 41. 

    On the type III hydrant system, where is the ball float assembly for the high-level shutoff valve located on an aboveground operating storage tank?

    • On the top of the tank in the float well

    • On the top of the tank in the gauging well

    • On the interior of the tank at the required shut-off height

    • On the exterior of the tank at the required shut-off height

    Correct Answer
    A. On the exterior of the tank at the required shut-off height
    Explanation
    011

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  • 42. 

    How many tanks are used with the type IV hydrant system, and what is the capacity of each?

    • Two; 10,000 gallons

    • Four; 10,000 gallons

    • Two; 50,000 gallons

    • Four; 50,000 gallons

    Correct Answer
    A. Four; 50,000 gallons
    Explanation
    012

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  • 43. 

    Concurrent servicing operations supporting sortie generation operations (CSO/SGO) are authorized on all following aircraft except the

    • A-10

    • F-15

    • F-22

    • F-117

    Correct Answer
    A. F-117
    Explanation
    023

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  • 44. 

    What filter separator component prevents pressure surges from damaging dispensing pressure control systems?

    • Air eliminator

    • Water slug valve

    • Float control valve

    • Mainline control valve

    Correct Answer
    A. Air eliminator
    Explanation
    004

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  • 45. 

    What may a filter separator differential pressure reading below 3 pounds per square inch (psi) indicate?

    • Clean coalescer elements

    • Damaged coalescer screens

    • Clogged or dirty coalescers

    • A defective O-ring or ruptured coalescers

    Correct Answer
    A. A defective O-ring or ruptured coalescers
    Explanation
    005

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  • 46. 

    What type of inspection is performed to determine the condition of a vehicle or piece of equipment?

    • Annual inspection

    • Special inspection

    • Limited technical inspection

    • Preventative maintenance and inspection

    Correct Answer
    A. Limited technical inspection
    Explanation
    009

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  • 47. 

    What happens when the type III hydrant system product recovery tank is 70 percent full?

    • Float assembly closes the inlet valve

    • Switch assembly automatically turns the pump on

    • Float assembly closes the high-level shut-off valve

    • Switch assembly senses an emergency condition and shuts down the system

    Correct Answer
    A. Switch assembly automatically turns the pump on
    Explanation
    011

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  • 48. 

    What is the rated capacity of the pumps on the type IV pressurized hot refueling system?

    • 300 gpm

    • 600 gpm

    • 900 gpm

    • 1,200 gpm

    Correct Answer
    A. 600 gpm
    Explanation
    012

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  • 49. 

    On the type IV hydrant system, how is fuel prevented from spilling onto the hot pad if a hose separates from the nozzle during a hot refueling operation?

    • A dry break coupler inside the hose closes automatically

    • The flow switch senses a sudden surge in fuel flow, and shuts down the pumps

    • The pressure switch senses a sudden drop in pressure, and shuts down the pumps

    • The fusible link melts and falls out, causing the spring-loaded butterfly part of the valve to close

    Correct Answer
    A. A dry break coupler inside the hose closes automatically
    Explanation
    012

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Quiz Review Timeline (Updated): Mar 21, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 18, 2008
    Quiz Created by
    Fuels_training
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