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Exam (elaborations)

TPC Basic Hydraulics Exam Questions and Answers

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TPC Basic Hydraulics Exam Questions and AnswersTPC Basic Hydraulics Exam Questions and AnswersTPC Basic Hydraulics Exam Questions and AnswersTPC Basic Hydraulics Exam Questions and AnswersTPC Basic Hydraulics Exam Questions and AnswersTPC Basic Hydraulics Exam Questions and AnswersTPC Basic Hydraul...

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  • September 6, 2024
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  • 2024/2025
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TPC Basic Hydraulics Exam Questions and
Answers




A ,hydraulic ,pipe ,designated ,as ,Scheduled ,80 ,is ,- ,(correct ,answer) ,-Extra ,Heavy
kr kr kr kr kr kr kr kr kr kr kr kr




A ,disadvantage ,of ,using ,hose ,in ,hydaulic ,systems ,instead ,of ,piping ,or ,tubingis ,that ,the ,hose ,- ,
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




(correct ,answer) ,-is ,less ,permanent
kr kr kr kr




Which ,type ,of ,fitting ,should ,be ,used ,on ,a ,steel ,hydraulic ,line ,- ,(correct ,answer) ,-steel
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




Pressure ,lose ,in ,a ,hydraulic ,line ,depends ,on ,the ,- ,(correct ,answer) ,-flow ,velocity
kr kr kr kr kr kr kr kr kr kr kr kr kr




Hydraulic ,lines ,should ,NEVER ,be ,constructed ,of ,- ,(correct ,answer) ,-Galvanized ,pipe
kr kr kr kr kr kr kr kr kr kr kr




Which ,type ,of ,valve ,has ,a ,round ,core ,- ,(correct ,answer) ,-Rotary
kr kr kr kr kr kr kr kr kr kr kr




To ,facillitate ,comparison, ,manufacturers ,rate ,the ,flow ,capacity ,of ,vavles ,by ,their ,- ,(correct
kr kr kr kr kr kr kr kr kr kr kr kr kr




,answer) ,-CV ,Factor
kr kr kr




Which ,of ,the ,following ,kinds ,of ,vavles ,should ,be ,used ,in ,hydraulic ,system ,to ,change ,the
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




,direction ,of ,motion ,of ,the ,cylinder? ,- ,(correct ,answer) ,-Directional ,control ,vavle
kr kr kr kr kr kr kr kr kr kr kr kr




The ,coonsturction ,of ,a ,spool ,vavle ,causes ,it ,to ,- ,(correct ,answer) ,-Be ,partially ,balanced
kr kr kr kr kr kr kr kr kr kr kr kr kr kr




In ,applications ,using ,a ,needle ,vavle ,that ,must ,be ,shut ,off ,frequently, ,a ,________ ,should ,be
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




,used ,- ,(correct ,answer) ,-sofft ,seat
kr kr kr kr kr kr




What ,characteristic ,of ,a ,fluid ,does ,the ,term ,"specific ,gravity" ,describe ,? ,- ,(correct ,answer) ,-
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




Density

the ,formation ,of ,large ,air ,bubbles ,or ,pockets ,in ,a ,hydraulic ,system ,is ,known ,as ,- ,(correct
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




,answer) ,-Cavitation
kr kr




The ,Law ,of ,Conservatiion ,of ,Energy ,states ,that ,energy ,cannot ,be ,created ,or ,destroyed, ,it ,can
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




,only ,be ,- ,(correct ,answer) ,-Transformed
kr kr kr kr kr kr

, According ,to ,Bernoullis ,Law ,Principle, ,when ,fluid ,flow ,increases ,in ,asystem, ,the ,pressure ,- ,
kr kr kr kr kr kr kr kr kr kr kr kr kr kr




(correct ,answer) ,-Decreases kr kr




What ,type ,of ,energy ,is ,produced ,in ,a ,hydraulic ,system ,when ,the ,piston ,has ,raised ,an ,object ,to
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




,a ,higher ,level ,? ,- ,(correct ,answer) ,-Potential
kr kr kr kr kr kr kr kr




Fluid ,pressure ,in ,one ,section ,of ,a ,hydraulic ,system ,is ,limited ,by ,a ,- ,(correct ,answer) ,-reducing
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




,vavle
kr




The ,flow ,from ,the ,outlet ,of ,a ,sequence ,vavle ,is ,at ,- ,(correct ,answer) ,-Line ,pressure
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




A ,meter ,out ,flow ,control ,vavle ,is ,used ,to ,regulate ,fluid ,flow ,from ,a(n) ,- ,(correct ,answer) ,-
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




actuator

The ,operating ,differential ,pressure ,of ,a ,relief ,vavle ,is ,the ,difference ,between ,its ,maximum ,- ,
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




(correct ,answer) ,-Cracking ,pressure kr kr kr




A ,counterbalance ,vavle ,is ,normally ,a ,_______ ,vavle ,- ,(correct ,answer) ,-double- ,poppet
kr kr kr kr kr kr kr kr kr kr kr kr




The ,ability ,of ,a ,fluid ,to ,penetrate ,into ,small ,clearances ,between ,closely ,fitted ,parts ,is
kr kr kr kr kr kr kr kr kr kr kr kr kr kr




,determined ,by ,the ,fluid's ,- ,(correct ,answer) ,-viscosity
kr kr kr kr kr kr kr kr




The ,ability ,of ,a ,hydraulic ,fluid ,to ,create ,a ,barrier ,that ,prevents ,metal ,to ,metal ,contact ,is ,called
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




,its ,- ,(correct ,answer) ,-Film ,Strength
kr kr kr kr kr kr




A ,hydraulic ,fluid ,that ,exhibits ,little ,change ,in ,viscosity ,when ,heated ,is ,said ,to ,have ,a ,high ,- ,
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




(correct ,answer) ,-viscosity ,index kr kr kr




A ,fluid ,rated ,at ,250 ,SSU ,has ,a ,_______ ,than ,a ,fluid ,rated ,at ,150 ,SSU. ,- ,(correct ,answer) ,-
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




higher ,viscosity kr




Which ,of ,the ,following, ,when ,added ,to ,hydraulic ,fluid, ,will ,limit ,oxidation? ,- ,(correct ,answer) ,-A
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




,chemical ,inhibitor
kr kr




How ,does ,an ,internal ,gear ,pump ,prevent ,the ,fluid ,from ,flowing ,through ,the ,motor? ,- ,(correct
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




,answer) ,-The ,internal ,gear ,has ,fewer ,teeth ,than ,the ,external ,gear
kr kr kr kr kr kr kr kr kr kr kr




Vane ,motors ,made ,with ,only ,one ,motor ,chamber ,are ,called ,_______ ,motors ,- ,(correct ,answer)
kr kr kr kr kr kr kr kr kr kr kr kr kr kr




,-unbalanced
kr




Internal ,leakage ,inn ,hydraulic ,gear ,motor ,is ,held ,to ,a ,minimum ,by ,the ,use ,of ,- ,(correct ,answer)
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




,-Wear ,plates
kr kr




In ,a ,hydraulic ,motor, ,the ,______ ,of ,the ,admitted ,fluid ,determines ,the ,torque ,output. ,- ,(correct
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr




,answer) ,-pressure
kr kr

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