
Termodinamika
Authored by HARJONO MSi
Physics
9th - 12th Grade
Used 1+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suatu gas dimampatkan secara isobarik pada tekanan 5 x 105 N/m2 dari 0,2 m³ menjadi 0,6 m³. Usaha yang dilakukan pada gas adalah...
A. 10 kJ
B. 20 kJ
C. 100 kJ
D. 200 kJ
E. 400 kJ
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Mesin Carnot bekerja pada suhu reservoir tinggi 327C jika efisiensi mesin 50% maka kalor dibuang ke reservoir bersuhu…..
A. 300 C
B. 164 C
C. 127 C
D. 57 C
E. 27 C
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diagram P−V dari gas helium yang mengalami proses termodinamika ditunjukkan seperti gambar berikut!
Usaha yang dilakukan gas helium pada proses ABC sebesar....
A. 660 KJ
B. 400 KJ
C. 280 KJ
D. 120 KJ
E. 60 KJ
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sebuah mesin pendingin memiliki reservoir suhu rendah sebesar −15°C. Jika selisih suhu antara reservoir suhu tinggi dan suhu rendahnya sebesar 40°C, koefisien performansi mesin tersebut adalah….
A. 6,45
B. 6,7
C. 7,2
D. 7,5
E. 8,5
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suatu mesin carnot yang menggunakan reservoir suhu tinggi bersuhu 800 K mempunyai efisiensi sebesar 40%. Agar efisiensinya naik menjadi 50%, maka suhu reservoir suhu tinggi dinaikkan menjadi….
A. 900 K
B. 960 K
C. 1.000 K
D. 1.180 K
E. 2.000 K
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suatu mesin Carnot bekerja di antara suhu 600K dan 300K dan menerima kalor sebesar 1000 J (pada gambar di bawah). Usaha yang di hasilkan mesin sebesar
300 Joule
400 Joule
500 Joule
600 Joule
700 Joule
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebuah mesin menyerap panas sebesar 2.000 Joule dari suatu reservoir suhu tinggi dan membuangnya sebesar 1.200 Joule pada reservoir suhu rendah. Efisiensi mesin itu adalah ….
80 %
75 %
60 %
50 %
40 %
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