Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
the standard atmospheric condition for water to boil at 212F are:
A. atmospheric pressure: 15.969 psi, temp. 70F B. atmospheric pressure: 16.696 psi, temp. 68F C. atmospheric pressure: 14.696 psi, temp. 70F D. atmospheric pressure: 15.696 psi, temp. 70F |
C. atmospheric pressure: 14.696 psi, temp. 70F
|
|
|
|
At standard conditions on the celcius scale, water will boil at:
A. 100C B. 212C C. 32C D. 0C |
A. 100C
|
|
|
|
If water weighs 8.34 pounds per gallon , it will take_____ Btu to raise the temperature of 4 gallons of water from 70F to 72F.
A. 66.7 B. 10 C. 14.7 D. 106 |
A. 66.7
|
Btu =
|
|
|
Heat flows from a warmer substance to a cooler substance.
A. True B. False |
A. True
|
|
|
|
When heat transfers by conduction, it:
A. moves through space and air and heats solid objects. B. is transported from one place to another by air or liquid. C. moves from molecule to molecule. D. all of the above. |
C. moves from molecule to molecule.
|
|
|
|
When heat transfers by convection, it:
A. moves through space and air and heats solid objects. B. is transported from one place to another by air or liquid. C. moves from one molecule to molecule. D. All of the above. |
B. is transported from one place to another by air or liquid.
|
|
|
|
When heat transfers by radiation, it:
A. moves through space and air and heats solid objects. B. is transported from one place to another by air or liquid. C. moves from one molecule to molecule. D. All of the above. |
A. moves through space and air and heats solid objects.
|
|
|
|
Sensible heat energy levels:
A. can be measured with a thermometer. B. are known as hidden heat levels. C. are always in the comfort range. D. diminish by the square of the distance. |
A. can be measured with a thermometer.
|
|
|
|
Latent heat energy levels:
A. can be measured with a thermometer. B. are determined with a barometer. C. are always very warm. D. cannot be measured with a thermometer. |
D. cannot be measured with a thermometer.
|
|
|
|
The atmosphere will support a column of mercury ______ inches at sea level.
A. 32.00 B. 28.69 C. 14.696 D. 29.92 |
D. 29.92
|
|
|
|
A bourdon tube is often found in a:
A. mercury barometer. B. aneroid barometer. C. pressure gage. D. mercury thermometer. |
C. pressure gage.
|
|
|
|
Psig indicates:
A. pounds per square inch of pressure plus atmospheric pressure. B. pounds per square inch of gage pressure minus atmospheric pressure. C. pounds per square inch of pressure. D. A. pounds per square inch of gravity. |
B. pounds per square inch of gage pressure minus atmospheric pressure.
|
|
|
|
98 degrees Celcius converted to degree Fahrenheit equals:
A. 214.6 B. 196.0 C. 119.8 D. 208.4 |
D. 208.4
|
(98C x 1.8) + 32 = 208.4
|
|
|
70 Fahrenheit convert to degrees Celcius equals:
A. 21.1 B. 22.6 C. 98.6 D. 20.3 |
A. 21.1
|
(70F - 32) x .555 = 21.09
|
|
|
200 Fahrenheit convert to degrees Celcius equals:
A. 92.6 B. 94.7 C. 93.3 D. 91.0 |
C. 93.3
|
(200F - 32) x .555 = 93.24
|
|
|
28 Celcius convert to degrees Fahrenheit equals:
A. 27.3 B. 26.7 C. 81.6 D. 82.4 |
D. 82.4
|
(28C x 1.8) + 32 = 82.4
|
|
|
A compound gage indicates pressure:
A. above and below atmospheric pressure. B. above and below 500 psi. C. that are absolute presure. D. that are measured with a bellows. |
A compound gage indicates pressure:
|
|
|
|
When a substance is heated, the molecules:
A. move slower. B. move faster. C. move at the same speed. D. do not move. |
B. move faster.
|
|
|
|
A metric term for pressure is:
A. joule B. kelvin C. rankin D. kilopascal |
D. kilopascal
|
|
|
|
Psia at sea level under standard conditions is _____ psi.
A. 0 B. 14.696 C. 29.92 D. 144 |
B. 14.696
|
|
