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Topik 3-5

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Assessment

Quiz

Engineering

Professional Development

Hard

Created by

Achmad Razi

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Salah satu signal yang mempengaruhi uptroke dan destroke nya pompa pada hydraulic excavator adalah…

Pressure compensated

Positive pressure

NFC pressure

Logic network

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Relief valve merupakan valve “normally open“.

Benar

Salah

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pada pressure reducing valve, kondisi valve spool adalah “normally open“.

Benar

Salah

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pressure reducing valve membatasi tekanan downstream pada nilai yang sama dengan gaya yang diinginkan (gaya spring atau spring ditambah sinyal beban).

Benar

Salah

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pressure reducing valve yang digunakan bersama closed center control valve ter-kadang disebut juga “ flow compensator spool“ atau “pressure compensating spool”, atau “flow control spool”.

Benar

Salah

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Resolver valve dapat juga disebut "shuttle valve“ atau “relief valve”.

Benar

Salah

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pada pilot operated hydraulic system, didalam pilot control valve terdapat metering stem dan metering spring yang akan mengatur aliran menuju directional control valve, sehingga pergerakan main spool sesuai dengan gerakan pilot valve lever.

Benar

Salah

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