HVAC 100-Blueprint Reading
Study online at https://quizlet.com/_963qqm
1. The formula for the area of a circle is A=πr² True
True
False
2. The formula for the circumference of a circle is C = True
Dπ.
True
False
3. Area of a square that with a dimension of 25". 625 in²
250 in²
625 in²
520 in²
25 in²
4. Find the circumference of a circle with a diameter of 37.68"
12 inches.
37.68"
12.21"
24.12"
36.14"
5. Find the volume of a round tank with a 12" diameter 1,357 in³
and 12" height.
144 in³
452 in³
1,357 in³
5,426 in³
, HVAC 100-Blueprint Reading
Study online at https://quizlet.com/_963qqm
6. Find the perimeter of a trapezoid with a base1 of 21", 46
base2 of 15", and 2 sides of 5" each. ______ in
7. Find the area of a trapezoid with a base1 of 21", base2 72
of 15", and 2 sides of 5" each. _______ in2
8. The English system is the most used in heating and True
air conditioning.
True
False
9. The word linear is defined as "line of sight." False
True
False
10. A air conditioning technician need to understand re- True
duced scales.
True
False
11. _________ are measuring devices used to measure on scales
drawings.
12. In the English system, 12 inches are equal to 1 foot
__________.
13. The U.S. government agency that maintains uniform NIST
standards and measurements is _______.
14. reduced scales
, HVAC 100-Blueprint Reading
Study online at https://quizlet.com/_963qqm
Because drawings cannot be drawn to full scale a
technician must be able to read and use _____________
on construction drawings.
15. Two measuring systems for linear measurements are metric
the English system and the ______________ system.
16. The most common linear measurement tools used in 1-foot scale
heating and air conditioning are the steel tape and
the __________.
17. The basic unit of the metric system is the __________. meter
18. The sum of the angles on a triangle A+B+C = 90 de- False
grees.
True
False
19. A protractor is used to measure angles? True
True
False
20. A straight angle is an angle between two horizontal True
lines drawn end to end through the center of the
circle equal to 180 degrees.
True
False
21. Which is not one of the four types of angles? vertex angle
obtuse angle
, HVAC 100-Blueprint Reading
Study online at https://quizlet.com/_963qqm
right angle
vertex angle
acute angle
22. A circle can be divided into how many sections? 360
360
180
45
90
23. What is the sum of the angles in a triangle? 180
360
180
45
90
24. A HVAC technician must know how to determine ar- volumes
eas and ____________ in order to determine cooling
and heating loads.
25. The point where two straight lines intersect is called vertex
the ____________.
26. A 90 degree angle is called a __________ angle. right
27. A straight line contains _________ degrees. 180
28. How many "minutes" are in a complete circle? 21,600 minutes in a circle
29. In the drafting room drawings are drawn to near False
scale.
Study online at https://quizlet.com/_963qqm
1. The formula for the area of a circle is A=πr² True
True
False
2. The formula for the circumference of a circle is C = True
Dπ.
True
False
3. Area of a square that with a dimension of 25". 625 in²
250 in²
625 in²
520 in²
25 in²
4. Find the circumference of a circle with a diameter of 37.68"
12 inches.
37.68"
12.21"
24.12"
36.14"
5. Find the volume of a round tank with a 12" diameter 1,357 in³
and 12" height.
144 in³
452 in³
1,357 in³
5,426 in³
, HVAC 100-Blueprint Reading
Study online at https://quizlet.com/_963qqm
6. Find the perimeter of a trapezoid with a base1 of 21", 46
base2 of 15", and 2 sides of 5" each. ______ in
7. Find the area of a trapezoid with a base1 of 21", base2 72
of 15", and 2 sides of 5" each. _______ in2
8. The English system is the most used in heating and True
air conditioning.
True
False
9. The word linear is defined as "line of sight." False
True
False
10. A air conditioning technician need to understand re- True
duced scales.
True
False
11. _________ are measuring devices used to measure on scales
drawings.
12. In the English system, 12 inches are equal to 1 foot
__________.
13. The U.S. government agency that maintains uniform NIST
standards and measurements is _______.
14. reduced scales
, HVAC 100-Blueprint Reading
Study online at https://quizlet.com/_963qqm
Because drawings cannot be drawn to full scale a
technician must be able to read and use _____________
on construction drawings.
15. Two measuring systems for linear measurements are metric
the English system and the ______________ system.
16. The most common linear measurement tools used in 1-foot scale
heating and air conditioning are the steel tape and
the __________.
17. The basic unit of the metric system is the __________. meter
18. The sum of the angles on a triangle A+B+C = 90 de- False
grees.
True
False
19. A protractor is used to measure angles? True
True
False
20. A straight angle is an angle between two horizontal True
lines drawn end to end through the center of the
circle equal to 180 degrees.
True
False
21. Which is not one of the four types of angles? vertex angle
obtuse angle
, HVAC 100-Blueprint Reading
Study online at https://quizlet.com/_963qqm
right angle
vertex angle
acute angle
22. A circle can be divided into how many sections? 360
360
180
45
90
23. What is the sum of the angles in a triangle? 180
360
180
45
90
24. A HVAC technician must know how to determine ar- volumes
eas and ____________ in order to determine cooling
and heating loads.
25. The point where two straight lines intersect is called vertex
the ____________.
26. A 90 degree angle is called a __________ angle. right
27. A straight line contains _________ degrees. 180
28. How many "minutes" are in a complete circle? 21,600 minutes in a circle
29. In the drafting room drawings are drawn to near False
scale.
