
Pre Test Pelatihan SIR
Authored by Ahmad Pane
Professional Development
Professional Development
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Standar Nasional Indonesia (SNI) yang mengatur tentang mutu karet remah (Standard Indonesian Rubber) adalah SNI dengan nomor:
SNI 19-1403-1989
SNI 1903:2017
SNI 06-1903-1990
SNI 2020:1903
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan SNI 1903:2017, kadar zat menguap (volatile matter) pada karet remah (SIR) harus memenuhi batas maksimum tertentu. Berapa batas maksimum kadar zat menguap yang diperbolehkan untuk karet remah dalam standar ini?
0,52%
1,08%
0,80%
1,55%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam penentuan mutu SIR yang salah satunya dengan melakukan pengujian PRI, yang mengacu ke SNI dengan nomor:
SNI ISO 247:2012
SNI 8383:2017
SNI 8356:2017
SNI ISO 2930:2013
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pengujian kadar zat menguap SIR dengan metode oven didapat data sebagai berikut: Berat sampel sebelum homogenisasi 329,4 g Berat sampel setelah homogenisasi 328,4 g Berat sampel sebelum pengeringan 10,0811 g Berat cawan kosong 41,8692 g Berat cawan kosong+ contoh setelah pengeringan 51,9473 g Berapa kadar zat menguap berdasarkan data diatas:
0,33%
0,70%
1,10%
0,50%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam melakukan pengujian kadar kotoran dalam SIR menggunakan beberapa peralatan salah satunya saringan untuk menyaring kadar kotoran dengan ukuran:
100 mesh
225 mesh
325 mesh
300 mesh
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam pengujian kadar nitrogen pada Standard Indonesian Rubber (SIR), katalis selen digunakan untuk:
Mengurangi kadar air dalam sampel karet
Mempercepat reaksi penguraian bahan sampel
Menetralisir kandungan asam dalam karet
Meningkatkan stabilitas warna karet remah
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa Molaritas dari pembuatan larutan NaOH berdasarkan data berikut Berat NaOH 40 g Ar Na =23 Ar O = 16 Ar H = 1 Volume larutan = 100 mL
10 Molar
2 Molar
25 Molar
40 Molar
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