HEHM

Quiz
•
Special Education
•
Professional Development
•
Hard
PPD INDO
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pompa roda gigi (gear pump) adalah termasuk
Positif displacement
Non positif displacement
Non positif piston pump
Non positif displacement pump fix type
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini adalah partikel kontaminasi kecuali:
Debu
Serpihan cat
Potongan seal piston
Percikan las
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam pengetesan hydrolik system didapatkan relief pressure menunjuk 100 kg/cm2(standard pressure maximum 140 kg/cm2)dan kecepatan drift masih dalam standard rangenya.Penyimpangan tersebut disebutkan oleh:
Hydrolik pump aus
Control valve bocor
Quick drop valve bocor
Spring main relief valve lemah
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang disebut kontaminasi :
Kotoran dalam oli
Sesuatu yang masuk dalam system dan bukan dari suatu system itu sendiri
Rusaknya oli karena panas
Sesuatu benda yang ada dalam system
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini adalah beberapa kerugian yang disebabkan oil hydrolik terkpontaminasi,kecuali :
Memperpendek umur component
Menimbulkan kerusakan yang parah
Menaikkan efisiensi
Biaya repair lebih tinggi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gambar sirkuit hydrolik yang terlihat pada gambar di samping ini adalah :
tandem valve circuit
Paralel valve circuit
Series valve circuit
Series paralel valve circuit
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Penyimpanan hose yang benar adalah :
Hose disimpan dengan suhu yang rendah
Hose dalam keadaan menggantung
Hose dalam keadaan tetutup dikedua sisinya
Semua jawaban salah
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