1.
|
|
To the nearest degree, what is absolute zero on the Celsius scale?
|
| 0oC |
| 32oC |
| 273oC |
| -273oC |
|
2.
|
|
To the nearest degree, if room temperature is 65oF what is it in oC?
|
| 18 |
| 36 |
| 59 |
| 5 |
|
3.
|
|
To the nearest degree, if it is hot outside at 100oF what is it in oC?
|
| 5oC |
| 20oC |
| 38oC |
| 56oC |
|
4.
|
|
What is -40oC on the Fahrenheit scale?
|
| -40oF |
| -72oF |
| -104oF |
| 5oF |
|
5.
|
|
To the nearest degree, what is absolute zero on the Fahrenheit scale?
|
| -491oF |
| -460oF |
| -373oF |
| -250oF |
|
|
|
The Rankine temperature scale bears the same relationship to the Fahrenheit scale as the Kelvin does to the Celsius. To the nearest degree, what is the freezing point in Rankine?
|
| 273 R |
| 460 R |
| 492 R |
| 672 R |
|
7.
|
|
Temperature one is 10oC and the second temperature is 30oC. What is the average temperature in Kelvin?
|
| 283 K |
| 293 K |
| 303 K |
| 566 K |
|
8.
|
|
What is the difference in Co of the two temperatures, 35oF and 62oF?
|
| 15 Co |
| 37 Co |
| 49 Co |
| None of the above. |
|
9.
|
|
If the temperature difference in Celsius is 50oC, what is the difference in Fahrenheit?
|
| 28 Fo |
| 122 Fo |
| 60 Fo |
| 90 Fo |
|
10.
|
|
Which of the following temperatures is the highest?
T1= 25oC, T2= 72oF, T3= 290 K, T4=510 R
|
| T1 |
| T2 |
| T3 |
| T4 |
|
11.
|
|
The coefficient of thermal (linear) expansion,a, for aluminum is 25x10-6(Co)-1. What is the change in length of a 1 meter bar if the temperature increases 30 Co?
|
| .25 mm |
| .50 mm |
| .75 mm |
| 1 mm |
|
12.
|
|
The coefficient of thermal expansion for iron is 12x10-6(Co)-1. Which will expand more as temperature increases, a 2 meter iron bar or a 1 meter aluminum bar?
|
| aluminum |
| iron |
| Both the same. |
|
13.
|
|
A 1 meter diameter hole is cut into a aluminum sheet and the temperature is increased by 100 Co. What is the new diameter of the hole?
|
| .9975 m |
| .4989 m |
| 1.0025 m |
| .5013 m |
|
14.
|
|
An aluminum hollow metal sphere with a radius of 1 meter is exposed to a 200 Fo temperature increase. What is the ratio of the new volume to the old one?
|
| 1.008 |
| 1.015 |
| 1.020 |
| 1.025 |
|
15.
|
|
The coefficient of volume expansion, beta, for Pyrex is 9x10-6(Co)-1 and the coefficient of thermal expansion, alpha, for ethyl alcohol is 1100x10-6(Co)-1. If the alcohol fills 50% of a Pyrex bottle what % will it occupy if the temperature is increased by 30 Co?
|
| 50 % |
| 51 % |
| 52 % |
| 53 % |
|
16.
|
|
If 10 moles of a gas has a gauge pressure of 2 atm and a temperature of 200 K, what is its volume?
|
| .055 m3 |
| .082 m3 |
| 5533 m3 |
| 8315 m3 |
|
17.
|
|
10 moles of a gas has a gauge pressure of 2 atm and a temperature of 200 K. If the temperature is doubled, what will be the new gauge pressure in atm?
|
| 3 atm |
| 4 atm |
| 5 atm |
| 6 atm |
|
18.
|
|
10 moles of a gas has a gauge pressure of 2 atm and a temperature of 200 K. If the volume of the gas is doubled and the gauge pressure dropped in half (1 atm), what is the new temperature?
|
| 200 K (it does not change) |
| 267 K |
| 300 K |
| 400 K |
|
19.
|
|
10 moles of a gas has a gauge pressure of 2 atm and a temperature of 200 K. How many molecules are there in the gas?
|
| 6.02x1024 |
| 6.02x1023 |
| 6.02x1022 |
| Unknown |
|
20.
|
|
10 moles of a gas has a gauge pressure of 2 atm and a temperature of 200 K. If the molecules are hydrogen (atomic mass =1.008 u), what is the mass of the gas?
|
| 10.08 g |
| 20.16 g |
| 10.08 kg |
| 20.16 kg |
|
21.
|
|
If temperature is measured in J/molecule (which is what it measures) instead of kelvin, what would be the value of k, Boltzmann's constant?
|
| 2/3 |
| 2/3 J/K |
| 3/2 J/K |
| 1.38x10-23 J/K |
|
22.
|
|
If temperature is measured in J/molecule (which is what it measures) instead of kelvin and if we call the temperature scale the G scale what would be the temperature of the freezing point of water?
|
| 0 G |
| 2.1 G |
| 5.7 G |
| 5.65x10-21 G |
|
23.
|
|
What would be the conversion between the G scale (question 22) and the Celsius scale.
|
| T(C)=T(G)-273 |
| T(C)=((2/3)*T(G)/k)-273 |
| T(C)=((2/3)*T(G))+273 |
| T(C)=(T(G)/k)+273 |
|
24.
|
|
Six molecules have the speeds (in arbitrary units) of 2, 2, 4, 8, 4, 10. What is their average speed?
|
| 3 |
| 4 |
| 5 |
| 6 |
|
25.
|
|
Six molecules have the speeds (in arbitrary units) of 2, 2, 4, 8, 4, 10. What is the rms speed (to the nearest unit) of the molecules?
|
| 3 |
| 4 |
| 5 |
| 6 |
