PRE-TEST ASESMEN DIAGNOSTIK

Quiz
•
Engineering
•
12th Grade
•
Hard
ARIF NURROHMAN
Used 2+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 20 pts
1. Perbedaan utama CNC Milling dan CNC Turning adalah…
A. CNC Milling menggunakan pahat berputar, benda kerja diam.
CNC Turning menggunakan pahat berputar, benda kerja diam.
CNC Milling benda kerja berputar, pahat diam.
CNC Turning digunakan untuk material non-logam saja.
2.
MULTIPLE CHOICE QUESTION
10 sec • 20 pts
2. Sistem koordinat yang digunakan pada mesin CNC milling berbasis…
A. Cartesian (X, Y, Z)
B. Polar (r, θ)
C. Spherical (r, θ, φ)
D. Modular
3.
MULTIPLE CHOICE QUESTION
10 sec • 20 pts
3. Pada mesin CNC Turning, sumbu utama yang digunakan adalah…
A. X dan Y
B. X dan Z
C. Y dan Z
D. X, Y, dan Z
4.
MULTIPLE CHOICE QUESTION
10 sec • 20 pts
4. Faktor apa saja yang mempengaruhi putaran spindel (n) pada mesin CNC?
A. Jenis dan kekerasan material benda kerja, material dan geometri alat potong, kedalaman pemotongan serta kekasaran permukaan yang diinginkan
B. Jenis mesin, kontrol mesin, kecepatan mesin
C. Geometri benda kerja, kekasaran alat potong, kekerasan benda kerja
D. Geometri alat potong, kekasaran benda kerja, dan permukaan alat potong
5.
MULTIPLE CHOICE QUESTION
10 sec • 20 pts
5. Dibawah ini merupakan alat yang digunakan pada mesin CNC, manakah yang sesuai dengan fungsinya ….
A. End Mill : Pahat potong dengan banyak mata untuk proses milling
B. Chuck : Dudukan pahat pada mesin CNC
C. Center Drill : Alat untuk menentukan titik center pada cnc milling
D. Tool Holder : Memegang benda kerja pada mesin CNC Turning
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