HBO CHT EXAM WITH FULL PACK SOLUTIONS

HBO CHT EXAM WITH FULL PACK
SOLUTIONS




Pressure dis ddefined das? d- dcorrect danswers d-The dforce dper dunit darea dacting don
da dsurface din da ddirection dperpendicular dto dthat dsurface


Force dis ddefined das? d- dcorrect danswers d-An dExternal dcause dresponsible dfor dany
dchange dof dphysical dsystem.


Acceleration dis ddefined das? d- dcorrect danswers d-The drate dof dchange d(or dtime
dderivative) dof dvelocity.


Gas dis ddefined das? d- dcorrect danswers d-A dphase dof dmatter

Solid dis ddefined das? d- dcorrect danswers d-A dliquid dthat dis dat dits dfreezing dpoint.

Plasma dis ddefined das? d- dcorrect danswers d-Atoms dor dmolecules dthat dhave
dbecome dionized.

,Liquid dis ddefined das? d- dcorrect danswers d-A dsolid dthat dis dat dits dmelting dpoint

In dthe dgas dphase, dthe datoms dor dmolecules dbasically dmove? d- dcorrect danswers d-
Randomly

Liquids dchange dto da dgas dat? d- dcorrect danswers d-Their drespective dboiling dpoints!
dThink dabout dwater dturning dto dsteam dwhen dit dboils


When dapplying dpressure dto da dfluid, dthe dpressure dis dexerted? d- dcorrect danswers
d-In dall ddirections dequally. d(pascal's dlaw)


Hydraulics dis da dbranch dof dscience dand dengineering dconcerned dwith dthe
dmechanical dproperties dof? d- dcorrect danswers d-Liquids! dPneumatic drefers dto dgas
dfyi


A dmechanical dgauge dis dused dwhen dmeasuring dgas dpressure din da dsealed
dcontainer. dFor dall dcommon dpressure dgauges, dthe dpressure dindicated don dthe
dgauge dis? d- dcorrect danswers d-Less dthan dthe dabsolute dpressure d(Gauges d(and
dgauge dpressures) dignore dthe dambient d(barometric) dpressure daround dus.


Absolute dpressure dcan dbe ddefined das? d- dcorrect danswers d-The damount dof
dpressure dwithin dthe dsealed dvessel d+ dthe damount dof dpressure doutside dthe
dsealed dvessel.


Gauge dpressure? d- dcorrect danswers d-The damount dof dpressure dwithin dthe dsealed
dvessel donly


Ambient dpressure? d- dcorrect danswers d-The damount dof dpressure doutside dof dthe
dsealed dvessel donly.


Absolute dpressure dcan dbe ddefined das? d- dcorrect danswers d-Gauge dpressure d+
datmospheric dpressure, dTotal dpressure, dTrue dpressure


1 dAtm dworth dof dpressure? d- dcorrect danswers d-760 dmmHg, d14.7 dPSI, d33 dFSW

Barometric dpressure din dDenver, dCO d(elevation d5000 dft) dis dless dthan dbarometric
dpressure dat dsea dlevel dtrue dor dfalse? d- dcorrect danswers d-True


To dConvert dfrom dATA dto dmmHg d- dcorrect danswers d-Multiply dby d760

To dConvert dfrom dATA dto dFSW d- dcorrect danswers d-Subtract d1, dthen dmultiply dby
d33


To dconvert dfrom dATA dto dPSI d- dcorrect danswers d-Subtract d1, dthen dmultiply dby
d14.7

, To dconvert dfrom dFSW dto dATA d- dcorrect danswers d-Divide dby d33, dthen dadd d1

To dconvert dfrom dFSW dto dATA d- dcorrect danswers d-Add d33, dthen ddivide dby d33

To dconvert dfrom dPSI dto dATA d- dcorrect danswers d-Divide dby d14.7, dthen dadd d1

To dconvert dfrom dPSI dto dATA d- dcorrect danswers d-Add d14.7, dthen ddivide dby d14.7

To dconvert dfrom dmmHg dto dATA d- dcorrect danswers d-Divide dby d760

To dconvert dfrom dPSIG dto dPSIA d- dcorrect danswers d-Add d14.7, dPSIG dmeans
d"pound dper dsquare dinch dgauge". dPSIA dmeans dpounds dper dsquare dince
dabsolute.


Boyle's dlaw dis dabout dthe? d- dcorrect danswers d-Pressure-volume drelationship.
dBoyle's dlaw dsays dthat dwith dtemperature dconstant, dthe dvolume dof da dgas dis
dinversely dproportional dto dthe dpressure.


According dto dBoyle's dLaw, d(assuming dthe dtemperature dremains dconstant) dwhen
dthe dpressure dincreases, dthe dvolume? d- dcorrect danswers d-Decreases
dproportionally


When dapplying dBoyle's dlaw dto dthe dhuman dbody, dwe dworry dabout dair-filled
dspaces dbeing dshrunk d( dor dsqueezed) dwhen dpressure daround dthe dbody
dincreases. dThis dis dknown das? d- dcorrect danswers d-Barotrauma


Boyle's dlaw dequation? d- dcorrect danswers d-P1 dx dV1=P2 dxV2

Charles dlaw dis dabout dthe? d- dcorrect danswers d-Temperature-volume drelationship,
dWith dpressure dconstant, dthe dvolume dof da dgas dis ddirectly dproportional dto dthe
dtemperature.


According dto dCharles' dlaw, dthe dvolume din da dflexible dcontainer, dlike da dballoon,
dwill d_____ dwhen dthe dtemperature dincreases. d- dcorrect danswers d-Increase
dproportionally.


According dto dCharles' dlaw, dthe dvolume din da dflexible dcontainer, dlike da dballoon,
dwill d_____ dwhen dthe dvolume dincreases. d- dcorrect danswers d-Increase
dproportionally.


Gay-Lussac's dlaw dis dabout dthe? d- dcorrect danswers d-Temperature-pressure
drelationship, dLaw dsays dthat dwith dvolume dconstant, dthe dtemperature dof da dgas dis
ddirectly dproportional dto dthe dpressure