Chapter 11, Engine Cooling Systems
Questions With Correct Answers
actively Vpressurized Vcooling Vsystem V- VAnswer V- Va Vmeans Vof Vincreasing Vdiesel Vengine Vcooling
Vcapacity Vby Vpressurizing Vthe Vcooling Vsystem Vusing Vboost Vair Vto Vraise Vthe Vboiling Vpoint Vof Vthe
Vantifreeze Vmixture.
antifreeze V- VAnswer V- Va Vliquid Vsolution Vadded Vto Vwater Vto Vblend Vthe Vengine Vcoolant Vsolution
Vthat Vraises Vthe Vboiling Vpoint Vand Vlowers Vfreezing Vpoint. Vethylene Vglycol Vpropylene Vglycol Vand
Vextended Vlife Vcoolant Vare Vcurrently Vused.
cavitation V- VAnswer V- Vdescribes Vmetal Verosion Vcaused Vby Vthe Vformation Vand Vsubsequent
Vcollapse Vof Vvapor Vpockets V(bubbles) Vproduced Vby Vphysical Vpulsing Vinto Va Vliquid Vsuch Vas Vthat
Vof Va Vwet Vliner Vagainst Vthe Vwall Vof Vcoolant Vthat Vsurrounds Vit. VBubble Vcollapse Vcauses Vhigh
Vunit Vpressures Vand Vcan Vquickly Vroad Vwet Vliners V when Vthe Vprotective Vproperties Vof Vthe
Vcoolant Vdiminish.
conduction V- VAnswer V- Vheat Vtransmission Vthrough Vsolid Vmatter
convection V- VAnswer V- Vheat Vtransfer Vby Vcurrents Vof Vgases Vor Vliquids
counterflow Vradiator V- VAnswer V- Va Vdouble Vpass VRadiator Vin Vwhich Vcoolant Vis Vcycled Vthrough
Vyou Vcolumn Vtubes Vfrom Vusually Va Vbottom Vlocated Vand Vtake Vtank Vto Va Vbottom Vlocated Voutput
Vtank. Vthey Vhave Vhigher Vcooling Vefficiencies Vthen V other Vradiator Vdesigns
crossflow Vradiator V- VAnswer V- Va Vusually Vlow Vprofile Vdesign Vof Vradiator Vand Vwhich Vthe Ventry
Vand Voutput Vtanks Vare Vlocated Vat Veither Vend Vand Vcoolant Vflow Vis Vhorizontal.
diesel Vcoolant Vadditive V- VAnswer V- Vproprietary Vsupplemental Vcoolant Vadditives
Questions With Correct Answers
actively Vpressurized Vcooling Vsystem V- VAnswer V- Va Vmeans Vof Vincreasing Vdiesel Vengine Vcooling
Vcapacity Vby Vpressurizing Vthe Vcooling Vsystem Vusing Vboost Vair Vto Vraise Vthe Vboiling Vpoint Vof Vthe
Vantifreeze Vmixture.
antifreeze V- VAnswer V- Va Vliquid Vsolution Vadded Vto Vwater Vto Vblend Vthe Vengine Vcoolant Vsolution
Vthat Vraises Vthe Vboiling Vpoint Vand Vlowers Vfreezing Vpoint. Vethylene Vglycol Vpropylene Vglycol Vand
Vextended Vlife Vcoolant Vare Vcurrently Vused.
cavitation V- VAnswer V- Vdescribes Vmetal Verosion Vcaused Vby Vthe Vformation Vand Vsubsequent
Vcollapse Vof Vvapor Vpockets V(bubbles) Vproduced Vby Vphysical Vpulsing Vinto Va Vliquid Vsuch Vas Vthat
Vof Va Vwet Vliner Vagainst Vthe Vwall Vof Vcoolant Vthat Vsurrounds Vit. VBubble Vcollapse Vcauses Vhigh
Vunit Vpressures Vand Vcan Vquickly Vroad Vwet Vliners V when Vthe Vprotective Vproperties Vof Vthe
Vcoolant Vdiminish.
conduction V- VAnswer V- Vheat Vtransmission Vthrough Vsolid Vmatter
convection V- VAnswer V- Vheat Vtransfer Vby Vcurrents Vof Vgases Vor Vliquids
counterflow Vradiator V- VAnswer V- Va Vdouble Vpass VRadiator Vin Vwhich Vcoolant Vis Vcycled Vthrough
Vyou Vcolumn Vtubes Vfrom Vusually Va Vbottom Vlocated Vand Vtake Vtank Vto Va Vbottom Vlocated Voutput
Vtank. Vthey Vhave Vhigher Vcooling Vefficiencies Vthen V other Vradiator Vdesigns
crossflow Vradiator V- VAnswer V- Va Vusually Vlow Vprofile Vdesign Vof Vradiator Vand Vwhich Vthe Ventry
Vand Voutput Vtanks Vare Vlocated Vat Veither Vend Vand Vcoolant Vflow Vis Vhorizontal.
diesel Vcoolant Vadditive V- VAnswer V- Vproprietary Vsupplemental Vcoolant Vadditives
