Hydraulics Test 2 Attached With
Complete Verified Answers
What vdevice vin va vhydraulic vsystem vwith va vcon-stant-delivery vpump vallows
vcirculation vof vthe vfluid vwhen vno vdemands vare von vthe vsystem? v-
vCORRECT✅✅Pressure vregulator.
A vfully vcharged vhydraulic vaccumulator vprovides v- vCORRECT✅✅a vsource vfor
vadditional vhydraulic vpower vwhen vheavy vdemands vare vplaced von vthe vsystem
A vhydraulic vsystem vreferred vto vas va v"power vpack" vsystem vwill v-
vCORRECT✅✅have vall vhydraulic vpower vcomponents vlocated vin vone vunit.
An vO-ring vintended vfor vuse vin va vhydraulic vsystem vusing vMIL-H-5606 v(mineral
vbase) vfluid vwill vbe vmarked vwith v- vCORRECT✅✅A vblue vstripe vor vdot
A vfilter vincorporating vspecially vtreated vcellulose vpaper vis videntified vas va v-
vCORRECT✅✅Micronic vfilter
Which vof vthe vfollowing vis vthe vmost vcommonly vused vseal vto vprevent vinternal vand
vexternal vleakage vin vboth vdirections vof va vhydraulic vunit? v- vCORRECT✅✅O-ring
Which vof vthe vfollowing vallows vfluid vto vflow vunimpeded vin vone vdirection vbut
vprevents vfluid vflow vin vthe vother vdirection? v- vCORRECT✅✅Check vvalve
Select vthe vvalve vused vin va vhydraulic vsystem vthat vdirects vpressurized vfluid vto vone
vend vof van vactuating vcylinder vand vsimultaneously vdirects vreturn vfluid vto vthe
vreservoir vfrom vthe vother vend. v- vCORRECT✅✅Selector
One vof vthe vdistinguishing vcharacteristics vof van vopen-center vselector vvalve vused vin
va vhydraulic vsystem vis vthat v- vCORRECT✅✅fluid vflows vthrough vthe vvalve vin vthe
vOFF vposition.
What vtype vof vpackings vshould vbe vused vin vhydraulic vcomponents vto vbe vinstalled vin
va vsystem vcontaining vSkydrol? v- vCORRECT✅✅Packing vmaterials vmade vfor vester-
base vfluids.
The vcomponent vin vthe vhydraulic vsystem vthat vis vused vto vdirect vthe vflow vof vfluid vis
vthe v- vCORRECT✅✅Selector vvalve
, What vtype vof vselector vvalve vis vone vof vthe vmost vcommonly vused vin vhydraulic
vsystems vto vprovide vfor vsimultaneous vflow vof vfluid vinto vand vout vof va vconnected
vactuating vunit? v- vCORRECT✅✅Four vport, vclosed-center vvalve.
What vis vthe vpurpose vof vusing vbackup vrings vwith vO-rings vin vhydraulic vsystems
vabove v1,500 vpsi? v- vCORRECT✅✅-Prevent vhigh vpressure vfrom vextruding vthe
vseal vbetween vthe vmoving vand vstationary vpart.
The vpurpose vof vthe vpressure vregulator vin va vhydraulic vsystem vis vto v-
vCORRECT✅✅maintain vsystem voperating vpressure vwithin va vpredetermined vrange
vand vto vunload vthe vpump.
Excluding vlines, vwhich vcomponents vare vrequired vto vmake vup va vsimple vhydraulic
vsystem? v- vCORRECT✅✅Pump, vreservoir, vselector vvalve, vand vactuator.
Some vhydraulic vsystems vincorporate va vdevice vwhich vis vdesigned vto vremain vopen
vto vallow va vnormal vfluid vflow vin vthe vline, vbut vclosed vif vthe vfluid vflow vincreases
vabove van vestablished vrate. vThis vdevice vis vgenerally vreferred vto vAs va v-
vCORRECT✅✅Hydraulic vfuse
Hydraulic vsystem vaccumulators vserve vwhich vof vthe vfollowing vfunctions? v-
vCORRECT✅✅C-Supplement vthe vsystem vpump vwhen vdemand vis vbeyond vthe
vpump's vcapacity vand vstore vpower vfor vlimited voperation vof vcomponents vif vthe vpump
vis vnot voperating
Quick-disconnect vcouplings vin vhydraulic vsystems vprovide va vmeans vof v-
vCORRECT✅✅Quickly vconnecting vand vdisconnecting vhydraulic vlines vwithout vloss
vof vfluid vor ventrance vof vair vinto vthe vsystem
A vhydraulic vpump vis va vconstant-displacement vtype vif vit v- vCORRECT✅✅Delivers
va vuniform vrate vof vfluid
A vhydraulic vmotor vconverts vfluid vpressure vto v- vCORRECT✅✅rotary vmotion
The vpurpose vof van vorifice vcheck vvalve vis vto v- vCORRECT✅✅restrict vflow vin vone
vdirection vand vallow vfree vflow vin vthe vother
Pressure vis va vterm vused vto vindicate vthe vforce vper vunit varea. vPressure vis vusually
vexpressed vin v- vCORRECT✅✅Pounds vper vsquare vinch
If vtwo vactuating vcylinders vwhich vhave vthe vsame vcross-sectional varea vbut vdifferent
vlengths vof vstroke vare vconnected vto vthe vsame vsource vof vhydraulic vpressure, vthey
vwill vexert v- vCORRECT✅✅equal vamounts vof vforce vand vwill vmove vat vthe vsame
vrate vof vspeed.
Complete Verified Answers
What vdevice vin va vhydraulic vsystem vwith va vcon-stant-delivery vpump vallows
vcirculation vof vthe vfluid vwhen vno vdemands vare von vthe vsystem? v-
vCORRECT✅✅Pressure vregulator.
A vfully vcharged vhydraulic vaccumulator vprovides v- vCORRECT✅✅a vsource vfor
vadditional vhydraulic vpower vwhen vheavy vdemands vare vplaced von vthe vsystem
A vhydraulic vsystem vreferred vto vas va v"power vpack" vsystem vwill v-
vCORRECT✅✅have vall vhydraulic vpower vcomponents vlocated vin vone vunit.
An vO-ring vintended vfor vuse vin va vhydraulic vsystem vusing vMIL-H-5606 v(mineral
vbase) vfluid vwill vbe vmarked vwith v- vCORRECT✅✅A vblue vstripe vor vdot
A vfilter vincorporating vspecially vtreated vcellulose vpaper vis videntified vas va v-
vCORRECT✅✅Micronic vfilter
Which vof vthe vfollowing vis vthe vmost vcommonly vused vseal vto vprevent vinternal vand
vexternal vleakage vin vboth vdirections vof va vhydraulic vunit? v- vCORRECT✅✅O-ring
Which vof vthe vfollowing vallows vfluid vto vflow vunimpeded vin vone vdirection vbut
vprevents vfluid vflow vin vthe vother vdirection? v- vCORRECT✅✅Check vvalve
Select vthe vvalve vused vin va vhydraulic vsystem vthat vdirects vpressurized vfluid vto vone
vend vof van vactuating vcylinder vand vsimultaneously vdirects vreturn vfluid vto vthe
vreservoir vfrom vthe vother vend. v- vCORRECT✅✅Selector
One vof vthe vdistinguishing vcharacteristics vof van vopen-center vselector vvalve vused vin
va vhydraulic vsystem vis vthat v- vCORRECT✅✅fluid vflows vthrough vthe vvalve vin vthe
vOFF vposition.
What vtype vof vpackings vshould vbe vused vin vhydraulic vcomponents vto vbe vinstalled vin
va vsystem vcontaining vSkydrol? v- vCORRECT✅✅Packing vmaterials vmade vfor vester-
base vfluids.
The vcomponent vin vthe vhydraulic vsystem vthat vis vused vto vdirect vthe vflow vof vfluid vis
vthe v- vCORRECT✅✅Selector vvalve
, What vtype vof vselector vvalve vis vone vof vthe vmost vcommonly vused vin vhydraulic
vsystems vto vprovide vfor vsimultaneous vflow vof vfluid vinto vand vout vof va vconnected
vactuating vunit? v- vCORRECT✅✅Four vport, vclosed-center vvalve.
What vis vthe vpurpose vof vusing vbackup vrings vwith vO-rings vin vhydraulic vsystems
vabove v1,500 vpsi? v- vCORRECT✅✅-Prevent vhigh vpressure vfrom vextruding vthe
vseal vbetween vthe vmoving vand vstationary vpart.
The vpurpose vof vthe vpressure vregulator vin va vhydraulic vsystem vis vto v-
vCORRECT✅✅maintain vsystem voperating vpressure vwithin va vpredetermined vrange
vand vto vunload vthe vpump.
Excluding vlines, vwhich vcomponents vare vrequired vto vmake vup va vsimple vhydraulic
vsystem? v- vCORRECT✅✅Pump, vreservoir, vselector vvalve, vand vactuator.
Some vhydraulic vsystems vincorporate va vdevice vwhich vis vdesigned vto vremain vopen
vto vallow va vnormal vfluid vflow vin vthe vline, vbut vclosed vif vthe vfluid vflow vincreases
vabove van vestablished vrate. vThis vdevice vis vgenerally vreferred vto vAs va v-
vCORRECT✅✅Hydraulic vfuse
Hydraulic vsystem vaccumulators vserve vwhich vof vthe vfollowing vfunctions? v-
vCORRECT✅✅C-Supplement vthe vsystem vpump vwhen vdemand vis vbeyond vthe
vpump's vcapacity vand vstore vpower vfor vlimited voperation vof vcomponents vif vthe vpump
vis vnot voperating
Quick-disconnect vcouplings vin vhydraulic vsystems vprovide va vmeans vof v-
vCORRECT✅✅Quickly vconnecting vand vdisconnecting vhydraulic vlines vwithout vloss
vof vfluid vor ventrance vof vair vinto vthe vsystem
A vhydraulic vpump vis va vconstant-displacement vtype vif vit v- vCORRECT✅✅Delivers
va vuniform vrate vof vfluid
A vhydraulic vmotor vconverts vfluid vpressure vto v- vCORRECT✅✅rotary vmotion
The vpurpose vof van vorifice vcheck vvalve vis vto v- vCORRECT✅✅restrict vflow vin vone
vdirection vand vallow vfree vflow vin vthe vother
Pressure vis va vterm vused vto vindicate vthe vforce vper vunit varea. vPressure vis vusually
vexpressed vin v- vCORRECT✅✅Pounds vper vsquare vinch
If vtwo vactuating vcylinders vwhich vhave vthe vsame vcross-sectional varea vbut vdifferent
vlengths vof vstroke vare vconnected vto vthe vsame vsource vof vhydraulic vpressure, vthey
vwill vexert v- vCORRECT✅✅equal vamounts vof vforce vand vwill vmove vat vthe vsame
vrate vof vspeed.
