PTAC Operations Exam 2 questions well
answered to pass
The amount of heat it takes to raise 1 pound of water by 1 degree F is called the _________. ***
- correct answer ✔✔Sensible Heat - 1 BTU (British thermal unit)
_____________ is the steam that contains more heat than what is required to keep the steam
above its dew point. - correct answer ✔✔Superheated steam
______________ is the quantity of heat required to increase the temperature of 1 pound of a
substances by 1 dregree F - correct answer ✔✔Specific Heat
Three thermal properties of substances are: - correct answer ✔✔a. Melting Point
b. Boiling Point
d. Heat of vaporization
The ______________ will protect the steam header piping from distorting or fracturing when it
heats up? - correct answer ✔✔Expansion loops
Liquids sold by volume have their volumes adjusted at ______________ degrees F. - correct
answer ✔✔60
A rail car is filled with 10,000 gallons of liquid at 80 degrees F. The liquid belongs to group 4.
What is the volume of the liquid when it reaches its destination where the temperature is 97
degrees F? - correct answer ✔✔97 - 80 = 17
17 x 0.00070 = 0.0119 per gallon
0.0119 x 10,000 = 119 gallon increase
, Answer: 10,119 gallons
______________ is the comparison of production with cost. *** - correct answer ✔✔Quality
systems
(True or false) The process technician is most responsible for making quality happen on their
process unit.*** - correct answer ✔✔True
(True or false) The COQ is the cost of avoiding, finding, or repairing defects in products or
services.*** - correct answer ✔✔False
List two prevention costs. - correct answer ✔✔-Training
-Process design reviews
-Measuring of processes on an ongoing basis
-Unit and system audits
(True or false) Commodity markets have high profit margins. - correct answer ✔✔False
__________ is the production, distribution, and consumption of goods and services. - correct
answer ✔✔Economics
The biggest expense associated with steam production is ____________. - correct answer
✔✔Energy
_______________ is one of the best insulators known, which is why it is important to keep it
out of steam systems. - correct answer ✔✔Air
answered to pass
The amount of heat it takes to raise 1 pound of water by 1 degree F is called the _________. ***
- correct answer ✔✔Sensible Heat - 1 BTU (British thermal unit)
_____________ is the steam that contains more heat than what is required to keep the steam
above its dew point. - correct answer ✔✔Superheated steam
______________ is the quantity of heat required to increase the temperature of 1 pound of a
substances by 1 dregree F - correct answer ✔✔Specific Heat
Three thermal properties of substances are: - correct answer ✔✔a. Melting Point
b. Boiling Point
d. Heat of vaporization
The ______________ will protect the steam header piping from distorting or fracturing when it
heats up? - correct answer ✔✔Expansion loops
Liquids sold by volume have their volumes adjusted at ______________ degrees F. - correct
answer ✔✔60
A rail car is filled with 10,000 gallons of liquid at 80 degrees F. The liquid belongs to group 4.
What is the volume of the liquid when it reaches its destination where the temperature is 97
degrees F? - correct answer ✔✔97 - 80 = 17
17 x 0.00070 = 0.0119 per gallon
0.0119 x 10,000 = 119 gallon increase
, Answer: 10,119 gallons
______________ is the comparison of production with cost. *** - correct answer ✔✔Quality
systems
(True or false) The process technician is most responsible for making quality happen on their
process unit.*** - correct answer ✔✔True
(True or false) The COQ is the cost of avoiding, finding, or repairing defects in products or
services.*** - correct answer ✔✔False
List two prevention costs. - correct answer ✔✔-Training
-Process design reviews
-Measuring of processes on an ongoing basis
-Unit and system audits
(True or false) Commodity markets have high profit margins. - correct answer ✔✔False
__________ is the production, distribution, and consumption of goods and services. - correct
answer ✔✔Economics
The biggest expense associated with steam production is ____________. - correct answer
✔✔Energy
_______________ is one of the best insulators known, which is why it is important to keep it
out of steam systems. - correct answer ✔✔Air
