Deck 14: Math, Charts, and Calculations

Question 1

Ten of 30 vehicles checked during a safety inspection had at least one tire that was under inflated. This represents what percentage of the vehicles?

A)33%
B)25%
C)67%
D)43%

Answer 1

33%

Question 2

Which of the following shows the relationship of parts?

A)Diagram
B)Chart
C)Graph
D)Schematic

Answer 2

Diagram

Question 3

Add 0.102 inch and 0.080 inch. The answer is ________.

A)0.1820 inch
B)0.8200 inch
C)0.0082 inch
D)0.1082 inch

Answer 3

0.1820 inch

Question 4

Which is the largest?

A)0.25
B)1/10
C)0.375
D)1/50

Question 5

What is 26 out of 87 in percentage?

A)11.3%
B)33.5%
C)29.97%
D)61.0%

Question 6

What number is being represented by the scientific notation 6.28 x 10³?

A)6.28
B)62800
C)6280
D)628

Question 7

3/16 is what number in decimal form?

A)5.333
B)0.1875
C)1.875
D)0.5333

Question 8

How is 0.183 pronounced?

A)One thousand eighty three
B)Zero dot one hundred and eighty three hundredths
C)One tenth and 83 hundredths
D)One hundred eighty three thousandth

Question 9

Metric fuel economy is measured in what units?

A)Miles per kilometer
B)Kilometers per liter
C)Liters per 100 kilometers
D)Miles per gallon

Question 10

Which number is the smallest?

A) 25
B) 33
C)3/8
D)1/16

Question 11

One thousandth is expressed as how many places to the right of the decimal?

A)Four
B)Three
C)Two
D)None of these

Question 12

Technician A says to keep the decimals aligned when adding or subtracting decimal numbers. Technician B says to keep the decimals aligned when multiplying or dividing decimal numbers. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 13

To convert a decimal number to a percentage, multiply by ________.

A)0.1
B)100
C)10
D)None of these

Question 14

To calculate fuel economy in MPG, what must be known?

A)How far the vehicle travelled
B)How much fuel was used
C)Both A and B are correct
D)Neither A nor B is correct

Question 15

Gear ratio is expressed as the number of rotations the ________ must make in order to rotate the ________ one revolution.

A)Drive gear/ driven gear
B)Output gear/ input gear
C)Driven gear/ drive gear
D)Input gear/ output gear

Question 16

When the drive gear and driven gear are rotating at the same speed, the gear ratio is ________.

A)2:1
B)1:1
C)0:0
D)None of these

Question 17

Which of the following gear ratios represents overdrive?

A)1:1
B)0.73:1
C)3.73:1
D)None of these

Question 18

Which of these results in the driven gear turning faster than the drive gear?

A)Overdrive
B)Direct drive
C)Gear reduction
D)None of these

Question 19

Technician A says the vertical axis on a graph is called the x axis. Technician B says the horizontal axis on a graph is called the y axis. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 20

Technician A says that electronic diagrams can be printed out so the pages of the printed service manual don't get dirty. Technician B says that components on diagrams are often labelled with numbers or letters. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 21

0.500 is expressed in fraction form as ________.

A)1/5
B)1/2
C)5/100
D)0/5

Question 22

5/8 is expressed in decimal form as ________.

A)1.6
B)0.253
C)0.625
D)None of these

Question 23

Which is greater, 13/16 or 5/8?

A)They are equal.
B)5/8
C)13/16

Question 24

Which of these uses letters to represent numbers and indicates how these numbers should be added, subtracted, multiplied, or divided?

A)A diagram
B)A formula
C)A ratio
D)None of these

Question 25

Very large and very small numbers are frequently represented using ________.

A)Scientific notation
B)Ratios
C)Mathematical formulas
D)Diagrams

Question 26

23 out of 25 is what percentage?

A)1.08
B)92
C)0.92
D)None of these

Question 27

95% of 3250 is ________.

A)3421.0
B)3087.5
C)34.21
D)None of these

Question 28

0.187 subtracted from 3.53458 is ________.

A)1.66458
B)3.51588
C)3.34758
D)None of these

Question 29

According to this chart, horsepower at 4400 RPM is ________.

A)150
B)115
C)174
D)125

Question 30

Refer to the drawing below. The gear ratio is ________.

A)3 to 1
B)1 to 1
C)4 to 1
D)1 to 3