Isayensi

Imibuzo emi-12 yesibonelo Imithetho Yegesi

1. Ekuqaleni kohambo, umfutho womoya ethayini lemoto ungama-432 kPa kanye nokushisa okungu-15 ^° C. Ngemva kokuhamba ngesivinini esikhulu, ithayi liyashisa bese umfutho womoya uba ngu-492 kPa. Uma ukwanda kwethayi kunganakwa, izinga lokushisa lomoya ethayini liba…

A. 17 ^o C

B. 35 ^o C

C. 55 ^o C

D. 155 ^o C

E. 328 ^o C

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Izibonelo eziyi-16 zezinjini zeCarnot – izinjini zokushisa ezifanele (ukusetshenziswa komthetho wesibili we-thermodynamics)

1. Bheka igrafu ye-P-V yenjini yeCarnot eceleni! Uma ukushisa kungene (Q1 ₎ = ama-joules ayi-10.000, khona-ke inani lomsebenzi owenziwe yinjini yeCarnot …

A. 1.500 J

B. 4.000 J

C. 5.000 J

D. 6.000 J

E. 8.000 J

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Izibonelo ezingu-20 zemibuzo ye-Thermodynamics

Inqubo ye-Thermodynamic

1. Ku-thermodynamics, igesi efanelekile idlula enkambisweni ye-isothermal uma…

A. izinguquko esimweni segesi, izinga lokushisa lihlala lingaguquki

B. wonke ama-molecule ahamba ngesivinini esihlukile

C. Zonke izimo zegesi zihlala zishintsha izinga lokushisa

D. emazingeni okushisa aphezulu ijubane lama-molecule liphakeme

Umfutho wegesi kanye nomthamo akushintshi

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Izibonelo ezi-5 zemibuzo yokudlulisa ukushisa

1. Izinduku ezimbili u-P no-Q ezinobukhulu obufanayo kodwa izinhlobo ezahlukene zensimbi zinamathiselwe njengoba kuboniswe esithombeni esingezansi. Uma i-coefficient yokuqhuba ukushisa ka-P iphindwe kabili kune-coefficient yokuqhuba ukushisa ka-Q, khona-ke izinga lokushisa emngceleni ka-P no-Q...

A. 600 ^oC

B. 200 ^o C

C. 100 ^o C

D. 90 ^o C

E. 60 ^o C

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Izibonelo ezingu-21 zemibuzo yokuqina

Ukwenyuka Kobude

1. Induku elinganayo enobude obungu-L, uma idonswa ngamandla u-F, iyanda ngobude ngo-∆L.

Ukuze ukwanda kobude kube yi-4 ΔL, ubukhulu bamandla okudonsa bu...

A. 1/4 F

B. 1/2 F

C. 2 F

D. 4 F

E. 16 F

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Izibonelo eziyi-15 zemibuzo yokushisa nokushisa

Ukulinganiswa kweThermometer

1. I-thermometer elinganisiwe X ikhombisa -30 ^°C endaweni yokubanda kwamanzi kanye no-90 ^°C endaweni yokubila kwamanzi. Izinga lokushisa elingu-60 ^°C ku-X lilingana...

A. 20 ^o C

B. 45 ^o C

C. 50 ^o C

D. 75 ^o C

E. 80 ^o C

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Izibonelo ezingu-24 zemibuzo ye-Fluid Dynamics

Ithiyori kaTorriceli

1. Ibhavu elikhulu eligcwele amanzi kanye nepayipi njengoba kuboniswe esithombeni. Uma u-g = 10 ms ^-2 , khona-ke ijubane lokufafaza kwamanzi avela epayipini...

A. 3 ms^-1  

B. 8 ms ^-1

C. 9 ms ^-1

D. 30 ms ^-1

E. 900 ms ^-1

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Izibonelo Eziyi-9 Zemibuzo Yokukhulisa

1. Ishidi lensimbi ekushiseni okungu-20 ^oC linobukhulu obuboniswe esithombeni. Uma i-coefficient yokwanda okuqondile kwensimbi ingu-10 -5 ^{oC -1 ,} khona-ke ukwanda kwendawo ekushiseni okungu-60 ^oC ...

A. 0,08 cm²

B. 0,16 cm ²

C. 0,24 cm ²

D. 0,36 cm ²

E. 0,64 cm ²

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Izibonelo eziyi-15 zezinkinga ze-Static Fluid

Ukucindezela Okungamanzi

1. Umehluko ekucindezelweni kwegazi okungaguquki phakathi kobuchopho kanye nezinyawo zomuntu omude ngamasentimitha angu-165 uthi… (Ake sithi ubuningi begazi bungu-1,0 × 10 ³ kg/m3 ^kanye no-g = 10 m/ ^s2 )

A. 1,65 × 10 ² N/m ²

B. 1,65 × 10 ³ N/m ²

C. 1,65 × 10 ⁴ N/m ².

D. 0,83 × 10 ⁴ N/m ³

E. 0,83 × 10 ³ N/m ²

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Izibonelo ezi-4 zamapayipi anomumo we-U Izitsha Ezixhunyiwe

1. Imikhumbi emibili u-A no-B igcwele uketshezi olunezinhlayiya ezahlukene, njengoba kuboniswe esithombeni. Uma ingcindezi engezansi kuka-A ilingana no-4/5 wengcindezi engezansi kuka-B kanye nobuningi boketshezi u-A = 1000 kg m ^–3 , khona-ke ubuningi boketshezi ku-B bungu …

A. 1250 kg m^-3

B. 2500 kg m ^–3

C. 3000 kg m ^–3

D. 4000 kg m ^–3

E. 5000 kg m ^–3

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