
External Flow
Quiz
•
Physical Ed
•
University
•
Practice Problem
•
Hard
HERMAN _
Used 6+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah dari beberapa pernyataan dibawa? ini yang berhubungan dengan Fluid flow over bodies?
- Drag force acting on automobiles
- The lift developed by airplane wings
- Upward draft of rain and snow
- Power generated by wind turbines
1 dan 2
1 dan 3
2 dan 3
1, 2, dan 3
semua benar
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
pernjumlahakn dari tekanan dan gaya geser pada permukaan dengan arah normal terhadap aliran fluida disebut?
drag
friction
bluff
Blunt
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berapakah Koefisien drag dari sebuah kubus?
1
1.05
0.8
0.6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
external flow pada sebuah bola dengan besar reynold number 105 akan mengalami aliran?
laminar
turbulen
transisi
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
berikut yang dapat mempengaruhi besarnya gaya angkat karena pengaruh aliran fluida kecuali
geometri
putaran sebuah object
Re
drag force
massa object
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
bagaimana pengaruh kekasaran permukaan terhadap drag force?
semakin kasar semakin besar
semakin kasar semakin kecil
tidak ada pengaruh
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
bagaimana pengaruh densitas terhadap lift force
semakin rapat semakin besar
semakin rapat semakin kecil
tidak ada pengaruh
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
bagaimana pengaruh kecepatan aliran fluida terhadap koefisien drag?
semakin cepat semakin besar
semakin cepat semakin kecil
tidak ada pengaruh
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