12-§. Termodinamikada ish tushinchasi


Mavzuga doir test masalalari


Download 148.5 Kb.
bet4/4
Sana27.10.2023
Hajmi148.5 Kb.
#1726735
1   2   3   4
Bog'liq
MOL F 08

Mavzuga doir test masalalari


1. Qaysi jarayonda gaz ish bajarmaydi?


A) izoxorik B) izobarik C) izotermik D) adiabatik

2. Ushbu PV ko‘paytmaning o‘lchov birli­gini ko‘rsating.


A) Joul B) Paskal C) litr D) mol

3. Rasmdagi bo‘yalgan yuzaning fizik ma’nosi nimadan iborat bo‘ladi?






A) bajarilgan ishga teng
B) temperaturaning o‘zgarishiga teng
C) bosimning o‘zgarishiga teng
D) fizik ma’nosi yo‘q



4. Grafikda ko‘rsatilgan siklning qaysi qismida gaz bajargan ish nolga teng bo‘ladi?






A) 1
B) 2
C) 3
D) 4

5. Rasmda kursatilgan grafiklarning qay­si birida shtrixlangan yuza gaz bajargan ish­ni ifodalaydi?





1) 2) 3)



A) 1 B) 2 C) 3 D) hech birida



6. Porshenli silindrik idishdagi 0,2 MPa bosim ostida turgan gaz izobarik ravishda kengayib, 70 J ish bajardi. Bunda gazning hajmi qanchaga ortgan (l)?


A) 0,5 B) 0,35 C) 0,25 D) 1

7. Tashqi kuchlar 106 Pa o‘zgarmas bosimli gaz ustida 100 kJ ish bajardi. Bu jarayonda gazning hajmi qanday o‘zgardi?


A) 10 marta ortdi B) 0,1 m3 kamaydi C) o‘zgarmadi D) 0,1 m3 ortdi

8. Chizmada ko’rsatilgan siklning qaysi qis­mida gaz manfiy ish bajaradi?






A) 2-3
B) 3-1
C) 1-2
D) 2 - 3

9. 105 Pa bosim ostida turgan ideal gazning hajmi izobarik ravishda 300 dan 500 sm3 ga­cha oshdi. Bunda gaz necha Joul ish bajar­gan?
A) 10 B) 20 C) 50 D) 200

10. Bosimi 760 mm simob ustuniga teng bo‘l­gan gaz yuzasi 1000 sm2 bo‘lgan porshenni 90 sm ga surdi. Gaz bajargan ishni aniqlang (kJ).


A) 6,08 B) 9 C) 0,8 D) 7,6

11. Kislorod gazi 14 K ga izobarik qizdi­ril­ganda, 8310 J ish bajarildi. Kislorod­ning massasini aniqlang (kg).


A) 2 B) 3,2 C) 1,6 D) 0,32

12. 5 mol gaz izobarik ravishda 20 K ga qiz­dirilganda bajarilgan ishni toping.


A)830 B)1000 C) 420 D) 560

13. 4 mol ideal gaz o‘zgarmas bo­sim­da 10° C ga qizdirildi. Bajarilgan ish­ni aniqlang (J).


A) 724 B) 436 C) 332 D)480

14.. Gaz birinchi holatdan ikkinchi holatga o‘tganda bajargan ishini hisoblang (J).





A) 8
B) 8


C) 4
D) 4

15. 40 g massali kislorodni 40oC ga izoba­rik qizdirganda, u qancha ish bajaradi (J)?


A)320 B) 225 C) 415 D) 160

16. Ideal gazning rasmda ko‘rsatilgan sikl­ni o‘tishda bajargan ishini hisoblab toping.






A) (P1 - P2)(V2 - V1)
B) P1(V2 - V1)
C) P2(V2 - V1)
D) (P2 - P1)V2



17. Grafikda tasvirlangan jarayonda ideal gaz bajargan ishni hisoblab toping






A) (P1+P2)(V2 - V1)/2
B) (P1+P2)(V2 - V1)
C) (P2-P1)(V2 - V1)
D) P1V1+P2V2

18. 640 g kislorodni 40 K ga izobarik qiz­dirganda, u qancha ish bajaradi (J)?


A) 6640 B)2560 C)2500 D) 4820

19. Silindrdagi gazning o‘rtacha bosimi 0,5 MN/m2. Porshenning yuzasi 300 sm2, yurish uzunligi 0,2m. Porshenning bir marta yuri­shi­da gaz qancha ish bajaradi (kJ)?


A) 6250 B) 3600 C) 3000 D)1250

20. Teng massali argon va neon gazlari izo­barik 30oC ga qizdirildi. Qaysi gaz ko‘proq ish bajaradi? Ma=40 g/mol; Mn=20 g/mol.


A) bir xil B) neon C) argon D) javob dastlabki hajmiga bog‘liq

21. 200 g massaga ega bo‘lgan karbonat angi­drid (CO2) gazi o‘zgarmas bosimda 88oC ga qizdirilsa, gaz qancha ish bajaradi(J)?


A) 2880 B)3450 C)2460 D) 3320

22. Bir xil massali kislorod va vodorod o‘z­garmas bosimda bir xil temperatura­gacha isi­ti­ldi. Qaysi gaz ko‘proq ish bajaradi?


A) ishlar bir xil bo‘ladi B) vodorod C) ish bajarilmaydi D) kislorod

23 Ideal gaz isitilganda, uning p bosimi o‘zgarmay, dastlabki hajmi 40% ga oshsa, u qancha ish bajaradi?


A)40pV B)4pV C)0,6pV D)0,4pV

24. Massasi va boshlang‘ich bosimi bir xil bo‘l­gan vodorod va geliy gazlari 120 K ga qiz­dirildi (P=const). Vodorodni qizdirishda bajarilgan ish A1 va geliyni qizdirishda bajarilgan ish A2 larni taqqoslang.


A) A1 = 2A2 B) A2 = 2A1 C) A1 = A2 D) A2 = 4A1
Download 148.5 Kb.

Do'stlaringiz bilan baham:
1   2   3   4




Ma'lumotlar bazasi mualliflik huquqi bilan himoyalangan ©fayllar.org 2024
ma'muriyatiga murojaat qiling