What is an absolute temperature scale?
A) A temperature scale that uses sensitive wireless sensors to detect the vibrational frequency of the molecules in a substance to determine its temperature to a high degree of accuracy
B) A temperature scale with no negative temperatures and 0 equal to absolute zero
C) A thermometer that has been NIST calibrated to be absolutely correct
D) A theoretical temperature scale that only applies to quantum physics
[Ques. 2] The absolute temperature scale for Fahrenheit is:
A) Kelvin. B) Celsius.
C) Rankine. D) Fahrenheit absolute.
[Ques. 3] One disadvantage of infrared thermometers is that they:
A) Are generally less accurate than dial-type pocket thermometers.
B) Can only read the temperature of objects.
C) Are only available in limited quantities due to their specialized nature.
D) Take longer to get a reading than other types of thermometers.
[Ques. 4] A refrigeration system was checked for leaks. The system temperature and surroundings were 75F when the system was charged with nitrogen to 100 psig. The temperature then dropped to 50F. What should the pressure be if no nitrogen has escaped?
A) 9 psig B) 94 psig C) 100 psig D) 90 psig
[Ques. 5] What would be the final volume of 4 ft3 of gas that is compressed from 60F at 70 psig to 150 at 210 psig?
A) 4.4 ft3 B) 1.8 ft3 C) 22 ft3 D) 2.2 ft3
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