Measurements

Question 1

THE VOULME OF A SQUARE OR RECTANGULAR CONTAINER IS

Answer 1

LxWxH

Question 2

There are 7.482 gals of water in one cubic foot and one gal of water weighs 8.3lbs.

By multiplying 7.481 x 8.3 find that one cubic foot of water weighs

Answer 2

62.4lbs per cubic feet

Question 3

THE VOLUME OF A CYLINDER IS

Answer 3

.7854x (d)sq x L

Question 4

Maximum lift formula is

Answer 4

L= 1.13 xHg

E.g. Vacuum gauge show 15” Hg, then is 1.13×15 = 16.95’

Question 5

TO DETERMINE THE AMOUNT OF WATER IN A CONTAINER

Answer 5

FIND THE VOLUME; IF YOUR ANSWER IS CUBIC FEET, MULTIPLE BY 7.48, IF YOUR ANSWER IS IN CUBIC INCHES DIDVIDE IT BY 231

Question 6

What is the square root of 50 psi

Answer 6

7.07

Question 7

square root of 75 psi

Answer 7

8.66

Question 8

square root of 100 psi

Answer 8

10

Question 9

square root of 80 psi

Answer 9

8.94

Question 10

WHAT IS THE FORMULA FOR DISCHARGE OF A SMOOTHBORE NOZZLE?

Answer 10

29.7 × D2 × SQ ROOT OF NP. (What is the discharge for a handline 1.25 tip. 29.7 × 1.25 ×1.25 × 7.07=328 gpm)

Question 11

What is the formula for figuring discharge of fog nozzle?

Answer 11

GPM= rate flow x square root of NP divide by rated flow

Question 12

Formula for calculating nozzle reaction for smooth bore nozzles

Answer 12

1.57x(d)sq x np

Question 13

Coefficient for 1.75

Answer 13

15.5

Question 14

Coefficient for 2.5

Answer 14

2

Question 15

Coefficient for 5

Answer 15

0.08

Question 16

There are three dimensions to be considered when finding cubic volume or content.

Answer 16

Length x width x height = cubic inches

Question 17

There are 1728 cubic inches in one cubic foot and in one gal there is 231 cubic inches,

then by dividing 1728 by 231 we find there are how many gals in a cubic foot?

Answer 17

1728/231=7.481 gals

Question 18

Smooth bore-master stream 2”tip

Answer 18

1000 GPM

Question 19

Smooth bore-master stream 1 3/4 tip

Answer 19

800 GPM

Question 20

Smooth bore-master stream 1 1/2 tip

Answer 20

600 GPM

Question 21

Smooth bore-master stream 1 3/8 tip

Answer 21

500 GPM

Question 22

Smooth bore-master stream 1 1/4 tip

Answer 22

400 GPM

Question 23

Smooth bore hand line

Answer 23

50 psi

Question 24

Smooth bore master stream

Answer 24

80 psi

Question 25

Smooth bore hand line 1 1/4 tip

Answer 25

300 GPM

Question 26

Smooth bore hand line 1 1/8 tip

Answer 26

250 GPM

Question 27

Smooth bore hand line 1 tip

Answer 27

200 GPM

Question 28

When the compound gauge reads 15" inches of vacuum,to what height will the water rise in the suction hose

Answer 28

17

Question 29

One gallon of water contains how many cubic inches

Answer 29

231 cubic inches

Question 30

One cubic foot of water contains____Cubic inchs of water

Answer 30

1728 cubic inches

Question 31

A COLUMN OF WATER ONE SQUARE INCH SQ. AND ONE FOOT HIGH WILL CREATE A PRESSURE OF

Answer 31

.434 psi

Question 32

There are three containers filled with water, The first container is one square inch at the base and 3 feet high.The second container is 3 square inches at the base and 1 foot high and The third container is 9 in.² at the base and 4 inches high. Which container has the heaviest total weight of water?

Answer 32

x

Question 33

If a circular storage tank is 12 feet in diameter and 15 feet high is 3/4 full with water and water is been removed from Tank at a rate of 500 GPM approximate how many minutes would it takes before the tank is completely empty?

Answer 33

19 mins

Question 34

Mercury is how many times as heavy as water

Answer 34

13.6

Question 35

Rounding off to the nearest hundredth determine the area of a circle whose diameter is 10 inches

Answer 35

78.50 inches

Question 36

Volume of a cylinder is

Answer 36

.7854x(d) sq x L

Question 37

How to determine the area of a circle when diameter is known

Answer 37

A= pie(3.14) x (d)sq divided by 4

Question 38

IF THE VOLUME IS IN CUBIC FEET TO CONVERT TO GALLONS

Answer 38

V=.7854 × D2 × L × 7.481

Question 39

A COLUMN OF WATER ONE FOOT HIGH EXERTS A PRESSURE OF .434 PSI THEN BY DIVIDING 1 BY .434 WE FIND THAT 1 POUND OF PRESSURE WILL RAISE A COLUMN OF WATER 2.304 FEET. IN OTHER WORDS, A COLUMN OF WATER 2.304 FEET HIGH WILL EXERT A DOWNWARD PRESSURE OF

Answer 39

1 PSI

Question 40

A pressure of 1 psi inch will rise a column of water how many feet

Answer 40

2.304 feet

Question 41

At sea level a column of mercury is

Answer 41

2.04 x 14.7= 29.9 inches

Question 42

The pressure of 1 PSI makes the column of mercury

Answer 42

2.04 inches