Conversions & Equations

Question 1

1 ft³ of water is equal to how many pounds?

Answer 1

62.4 lbs.

Question 2

1 ft³ of water is equal to how many imperial gallons?

Answer 2

6.24 imperial gallons.

Question 3

1 ft³ water is equal to how many U.S. gallons?

Answer 3

7.48 U.S. gallons.

Question 4

1 imperial gallon equals how many pounds?

Answer 4

10 lbs.

Question 5

1 U.S. gallons equals how many pounds?

Answer 5

8.33 lbs.

Question 6

How many U.S. gallons are in one imperial gallon?

Answer 6

1.2 U.S. gallons.

Question 7

What is the formula if you have too little glycol in a system?

Answer 7

Q = 𝑐𝑎𝑝 𝑥 ( 𝐺𝑡−𝐺𝑐 / 100−𝐺𝑐)

Question 8

What is the formula if you have too much glycol in a system?

Answer 8

Q= 𝑐𝑎𝑝 𝑥 ( 𝐺𝑐−𝐺𝑡 / 𝐺𝑐 )

Question 9

How many feet are in a meter?

Answer 9

3.28 feet.

Question 10

How do you convert US gallons/min to fixture units?

Answer 10

Multiply the US gallons by 2.

Question 11

How do you figure out how many hangers you would need on a galvanzied steel pipe installation?

Answer 11

1. Look at pipe as if it were one long piece of pipe.
2. Take the total length of all the pipe and divide it by the maximum horizontal spacing of supports in Table 2.3.4.5.
3. Take the number from 2 and round up and add one.

Example: 6” pipe, 75 ft long. 75ft is 22.87 m. 22.87 m divide by 3.75 m (Table 2.3.4.5) = 6.09. Round up to 7 plus one = 8 hangers.

Question 12

How do you convert ^oF to ^oC?

Answer 12

^oC = (5/9) (^oF - 32)

Question 13

How do you convert ^oC to ^oF?

Answer 13

^oF = (^oC x 1.8) + 32