HBO CHT Exam Questions And Answers Latest Update 2024.

HBO CHT




HBO CHT Exam Questions And
Answers Latest Update 2024

Pressure is defined as? - correct answers The force per
unit area acting on a surface in a direction perpendicular
to that surface


Force is defined as? - correct answers An External cause
responsible for any change of physical system.


Acceleration is defined as? - correct answers The rate of
change (or time derivative) of velocity.


Gas is defined as? - correct answers A phase of matter


Solid is defined as? - correct answers A liquid that is at its
freezing point.


Plasma is defined as? - correct answers Atoms or
molecules that have become ionized.


Liquid is defined as? - correct answers A solid that is at its
melting point




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In the gas phase, the atoms or molecules basically move?
- correct answers Randomly


Liquids change to a gas at? - correct answers Their
respective boiling points! Think about water turning to
steam when it boils


When applying pressure to a fluid, the pressure is
exerted? - correct answers In all directions equally.
(pascal's law)


Hydraulics is a branch of science and engineering
concerned with the mechanical properties of? - correct
answers Liquids! Pneumatic refers to gas fyi


A mechanical gauge is used when measuring gas
pressure in a sealed container. For all common pressure
gauges, the pressure indicated on the gauge is? - correct
answers Less than the absolute pressure (Gauges (and
gauge pressures) ignore the ambient (barometric)
pressure around us.


Absolute pressure can be defined as? - correct answers
The amount of pressure within the sealed vessel + the
amount of pressure outside the sealed vessel.


Gauge pressure? - correct answers The amount of
pressure within the sealed vessel only

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Ambient pressure? - correct answers The amount of
pressure outside of the sealed vessel only.


Absolute pressure can be defined as? - correct answers
Gauge pressure + atmospheric pressure, Total pressure,
True pressure


1 Atm worth of pressure? - correct answers 760 mmHg,
14.7 PSI, 33 FSW


Barometric pressure in Denver, CO (elevation 5000 ft) is
less than barometric pressure at sea level true or false? -
correct answers True


To Convert from ATA to mmHg - correct answers Multiply
by 760


To Convert from ATA to FSW - correct answers Subtract 1,
then multiply by 33


To convert from ATA to PSI - correct answers Subtract 1,
then multiply by 14.7


To convert from FSW to ATA - correct answers Divide by
33, then add 1




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To convert from FSW to ATA - correct answers Add 33,
then divide by 33


To convert from PSI to ATA - correct answers Divide by
14.7, then add 1


To convert from PSI to ATA - correct answers Add 14.7,
then divide by 14.7


To convert from mmHg to ATA - correct answers Divide by
760


To convert from PSIG to PSIA - correct answers Add 14.7,
PSIG means "pound per square inch gauge". PSIA means
pounds per square ince absolute.


Boyle's law is about the? - correct answers
Pressurevolume relationship. Boyle's law says that with
temperature constant, the volume of a gas is inversely
proportional to the pressure.


According to Boyle's Law, (assuming the temperature
remains constant) when the pressure increases, the
volume? - correct answers Decreases proportionally


When applying Boyle's law to the human body, we worry
about air-filled spaces being shrunk ( or squeezed) when

HBO CHT Exam Questions And Answers Latest Update 2024