Penilaian Tengah Semester Sistem & Instalasi Refrigerasi
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Other
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University
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Medium
Bayu Abrillian
Used 3+ times
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25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Refrigerant yang sangat populer dan banyak dipakai untuk mesin pendingin domestik adalah...
CHCl F2 (Chloro Difluoro Methane)
CCL3 F (Trichloro Monofluoro Methane)
CCL2 F2 (Dichloro Diflurio Methane)
CCL F3 (Chloro Friflaoro Methane)
2.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Refrigernat merupakan bahan yang digunakan untuk...
Mendinginkan
Membekukan
Mencairkan
Memanaskan
3.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Adapun refrigeran yang biasa digunakan untuk refrigerasi domestik adalah...
Refrigeran R-12 atau R-22
Refrigeran R-21 atau R-22
Refrigeran R-23 atau R-22
Refrigeran R-13 atau R-22
4.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Jenis refrigerant yang dapat merusak lapisan ozon dan berkontribusi tinggi terhadap efek pemanasan global adalah...
CFC (Chloro Fluoro Carbon)
CCL2 F2 (Dichloro Diflurio Methane)
CCL F3 (Chloro Friflaoro Methane)
CCL3 F (Trochloro Monofluoro Methane)
5.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Berikut ini yang tidak termasuk sifat oli refrigerasi yang baik adalah...
Kandungan lilin yang tinggi
Stabilitas termal bagus
Stabilitas kimiawi bagus
Titik pourivitas rendah
6.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
CHClF2 merupakan rumus kimia dari refrigerant...
R-22
R-12
R-32
R-410A
7.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Berikut ini yang bukan termasuk karakteristik refrigerant R-12 adalah...
Tekanan penguapan 11,8 psig pada 150C
Tekanan kondensasi 93,3 psig pada 300C
Stabil pada suhu kerja rendah maupun suhu kerja tinggi
Dapat melarutkan karet alam, tetapi tidak dapak bereaksi dengan karet sintetis
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