Topik 3-5
Quiz
•
Engineering
•
Professional Development
•
Hard
Achmad Razi
FREE Resource
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10 questions
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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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