Free Printable 02_Eng Notation and Unit Conversions

1.

What is the primary purpose of engineering notation?

a)

To simplify complex mathematical equations

b)

To represent very large or very small numbers in a more readable form

c)

To convert between different units of measurement

d)

To solve differential equations

2.

In engineering notation, the exponent of 10 must be a multiple of:

a)

1

b)

2

c)

3

d)

5

3.

Which of the following is correctly written in engineering notation?

a)

$3.45 \times 10^4$

b)

$34.5 \times 10^3$

c)

$345 \times 10^2$

d)

$0.345 \times 10^5$

4.

Convert $2.3 \times 10^{-3}$ to a unit with a prefix.

a)

$2.3 \text{ m}$

b)

$2.3 \text{ k}$

c)

$2.3 \text{ μ}$

5.

Convert $1.5 \times 10^4$ to a unit with a prefix.

a)

$1.5 \text{ k}$

b)

$15 \text{ k}$

c)

$150 \text{ k}$

d)

$1.5 \text{ M}$

6.

Which of the following is the correct conversion of $8.2 \times 10^{-6}$ in engineering notation?

a)

$8.2 \text{ μ}$

b)

$82 \text{ μ}$

c)

$820 \text{ μ}$

d)

$0.82 \text{ μ}$

7.

Convert $4.7 \times 10^2$ to a unit with a prefix.

a)

$4.7 \text{ k}$

b)

$47 \text{ k}$

c)

$470 \text{ k}$

d)

$0.47 \text{ k}$

8.

Express 1,210,000,000 Watts with a proper SI Prefix:

a)

$1.21\ MW$

b)

$1.21\ pW$

c)

$1.21\ kW$

d)

$1.21\ GW$

e)

$121\ MW$

9.

A lightning strike has 12,000 A. Express this number with a proper SI prefix:

a)

12 mA

b)

12 MA

c)

12 kA

d)

12 pA

e)

12 cA

10.

Express 0.0000523 Watts with a proper SI prefix:

a)

$52.3\ W$

b)

$52.3\ \mu W$

c)

$52.3\ mW$

d)

$52,300\ pW$

e)

$0.0523\ mW$

11.

What is 700MV in Decimal Form?

a)

700,000,000V

b)

700,000V

c)

7.0 x 10^8 V

d)

700,000,000,000V

12.

What is .00000005 A in SI Prefix form

a)

50nA

b)

5.0 x 10^-7A

c)

5.0 X 10^-9A

d)

5.0 x 10^-8

13.

Looking at the engineering term to the left, what is the index form used to represent this?

a)

10³

b)

10⁶

c)

10⁹

d)

10¹²

14.

Looking at the engineering term to the left, what is the index form used to represent this?

a)

10^-3

b)

10^-6

c)

10^-9

d)

10^-12

02_Eng Notation and Unit Conversions

Total questions: 14

Worksheet time: 9mins

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