
Termodinamika 2
Authored by Alfian Ilham
Physics
11th Grade
Used 3+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan grafik P – V untuk mesin Carnot berikut ini!
Perbedaan (selisih) Efisiensi Mesin Carnot kedua mesin tersebut adalah …
15 %
25 %
35 %
45 %
55 %
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Gambar di atas menunjukkan siklus yang dialami mesin kalor. Usaha yang dilakukan gas per siklus adalah … .
2,1 J
2,6 J
3,2 J
3,8 J
4,0 J
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah mesin Carnot digambarkan seperti berikut. Jika efisiensi mesin dinaikkan menjadi 80%, maka suhu reservoir panas dinaikkan sebesar … .
1500 oC
1200 oC
1000 oC
900 oC
700 oC
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mesin bekerja pada reservoir suhu tinggi 227oC menyerap kalor 1000 kalori dan pada suhu rendahnya 27oC membuang kalor 750 kalori. Efisiensi mesin adalah … .
25 %
40 %
60 %
80 %
100 %
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah mesin Carnot yang menggunakan reservoir suhu tinggi 1000 K mempunyai efisiensi 60%. Untuk menaikkan efisiensinya menjadi 75% maka suhu pada reservoir suhu tinggi dinaikkan menjadi ... .
880 K
900 K
1000 K
1200 K
1600 K
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam diagram PV pada gambar ditunjukkan proses termodinamika. Jika P = 5 x 104 Pa ; V1 = 2 x 10-3 m3 dan V2 = 5 x 10-3 m3 maka kalor gas pada proses AB adalah ... .(menyerap /melepas)
120 J
90 J
70 J
50 J
40 J
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suhu tinggi reservoir mesin Carnot 600 K dan effisiensinya 40 %. Agar effisiensi mesin Carnot itu menjadi 60 % maka suhu tinggi reservoir mesin Carnot dinaikkan … .
1000 K
900 K
700 K
500 K
300 K
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