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- 1. Multiple ChoiceThe most common temperature scale used in the United States - where water freezes at 32 degrees and boils at 212 degrees is called the __________________________ scale.CelsiusPoundKelvinFahrenheit
- 2. Multiple ChoiceConvert: 25.0 oC to oF:77 F77 C100 F100 C
- 3. Multiple ChoiceConvert: 150 oF to oC:65.5 C65.5 F338.5 C338.5 F
- 4. Multiple ChoiceConvert: 253 C to K:526 K625 K0 K186 K
- 5. Multiple ChoiceConvert: 186.5 K to C-86.4 C-50 C-68.4 C180 K
- 6. Multiple ChoiceConvert: -317.2 F to C:-194 C79 K230.9 C-48.2 C
- 7. Multiple ChoiceCalculate the change in length of a 100mm aluminium bar that has increased in temperature by 55⁰C.
Take the coefficient of expansion to be 25 x 10-60.258mm0.1375mm1.23mm1.37mm - 8. Multiple ChoiceCalculate the change in temperature of an 900mm aluminium bar, that has increased in length to 901.035mm.
α = 25 x 10-612oC34.5oC57oC46oC - 9. Multiple Choice
The length of copper wire at 20oC is 4.5m. Calculate its new length when the temperature is 95oC. Given α = 1.7×10-5 oC-1
4.55m
5.41m
5.11m
4.505m
- 10. Multiple Choice
A silver plate of 16cm2 is heated from 20 degrees to 100 degrees. What is the increase of area?
assume0.051
16.051
0.0256
16.0256
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