Exam
Name___________________________________
 
TRUE/FALSE.  Write 'T' if the statement is true and 'F' if the statement is false. 
1) 

When a power of 10 moves from the numerator to the denominator, the sign of the exponent changes.  

1) 

_______ 

 
2) 

SI units of measurement have been adopted as a standard in most scientific and engineering literature.  

2) 

_______ 

 
3) 

The unit of mass in the SI system is the slug.  

3) 

_______ 

 
4) 

The prefix milli corresponds to 106 in power of 10 notation.  

4) 

_______ 

 
5) 

The notation μs is an abbreviation for microseconds.  

5) 

_______ 

 
6) 

The numerical value substituted into an equation must have the unit of measurement specified by the equation.  

6) 

_______ 

 
7) 

The MKS systems uses Meters, Kilograms, and Seconds as standards units.  

7) 

_______ 

 
8) 

The international Bureau of Weights and Standards is located in Washington, D.C.  

8) 

_______ 

 
9) 

The speed of light in a vacuum is approximately 299,792,458 m/s.  

9) 

_______ 

 
10) 

The SI prefix pico is equal to 1012.  

10) 

______ 

 
11) 

The precision of a reading can be determined by the number of significant digits present.  

11) 

______ 

 
12) 

The relationship between magnetic and electrical effects is referred to as the Edison effect.  

12) 

______ 

 
13) 

When using the power of ten, moving the decimal point to the right indicates a positive power of ten.  

13) 

______ 

 
14) 

Scientific notation dictates that decimal points be placed directly after the first digit greater than one, but less than ten.  

14) 

______ 

 
15) 

When using the powers of ten, 1 × 10-3 would be a larger number than 1 × 10-6.  

15) 

______ 

 
MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question. 
16) 

If the value 1.2 × 103 doubles, it becomes  

16) 

______ 
A) 

2.4 × 106  

B) 

1.2 × 106  

C) 

1.2 × 104  

D) 

2.4 × 103  

 
17) 

One microfarad is equivalent to how many picofarads?  

17) 

______ 
A) 

10  

B) 

1,000,000  

C) 

1,000  

D) 

100,000  

 
18) 

The value (1016)2 is the same as  

18) 

______ 
A) 

108  

B) 

10032  

C) 

1032  

D) 

1018  

 
19) 

Expressed as a power of 10, the number 0.0006 is the same as  

19) 

______ 
A) 

6.0 × 10-3  

B) 

6.0-4  

C) 

6.0 × 10-4  

D) 

6.0 × 104  

 
20) 

The value (12 × 103) + (1 × 104) equals  

20) 

______ 
A) 

121 × 104  

B) 

13 × 1012  

C) 

13 × 107  

D) 

22 × 103  

 
21) 

The joule is the SI unit of measurement for  

21) 

______ 
A) 

force  

B) 

temperature  

C) 

mass  

D) 

energy  

 
22) 

The value (10n ÷ 10m) is equivalent to  

22) 

______ 
A) 

10m-n  

B) 

10n-m  

C) 

1n ÷ 1m  

D) 

10m+n  

 
23) 

The value (16)1/2 is equivalent to  

23) 

______ 
A) 

256  

B) 

8  

C) 

1 ÷ 162  

D) 

4  

 
24) 

Express the number 0.00000000047 farads in picofarads.  

24) 

______ 
A) 

0.47 picofarads  

B) 

470 picofarads  
C) 

0.00047 picofarads  

D) 

470,000 picofarads  

 
25) 

The expression (10n)(10m) is equivalent to  

25) 

______ 
A) 

10n+m  

B) 

100nm  

C) 

10n2m  

D) 

10nm  

 
26) 

The symbol Σ means  

26) 

______ 
A) 

approximately equal  

B) 

absolute magnitude  
C) 

the sum of  

D) 

therefore  

 
27) 

What is one minute expressed in milliseconds?  

27) 

______ 
A) 

6.0 × 104 ms  

B) 

6.0 × 107 ms  

C) 

6.0 × 101 ms  

D) 

6.0 × 10-2 ms  

 
28) 

The value 100 megawatts is equivalent to  

28) 

______ 
A) 

100 × 10-3 watts  

B) 

100 × 10-6 watts  
C) 

100 × 103 watts  

D) 

100 × 106 watts  

 
29) 

The number (8 × 103)1/3 is equivalent to  

29) 

______ 
A) 

1.95 × 10-12  

B) 

20  

C) 

80  

D) 

26.67  

 
30) 

The number (6 × 103)2 is equivalent to  

30) 

______ 
A) 

36 × 106  

B) 

6 × 105  

C) 

36 × 105  

D) 

6 × 103  

 
31) 

The computer language name BASIC is an acronym for  

31) 

______ 
A) 

Beginning Analysis Systems Instruction Code.  
B) 

Beginning Analysis System for Instruments and Control.  
C) 

Beginning Analysis System for Integrated Circuits.  
D) 

Beginning All-purpose Symbolic Instruction Code.  

 
32) 

The computer program named SPICE is an acronym for  

32) 

______ 
A) 

Simulation Program for Instrumentation, Control, and Electronics.  
B) 

Simulation Program Interfaced to Common Elements.  
C) 

Simulation Program with Integrated Circuit Emphasis.  
D) 

Simulation Program with Improved Command Efficiency.  

 
33) 

Calculate the following (5/4)(8/15)(1/8) =  

33) 

______ 
A) 

5/3  

B) 

3  

C) 

2/3  

D) 

1/12  

 
34) 

Calculate the following 7.74 - 5.05 - 10.4 =  

34) 

______ 
A) 

7.71 

B) 

2.49 

C) 

-7.71 

D) 

-2.49  

 
35) 

Evaluate the following expression ((0.1)2 + (0.3)3)/(0.5) =  

35) 

______ 
A) 

0.74  

B) 

7.4  

C) 

0.074  

D) 

0.047  

 
36) 

Evaluate the following expression (15 × 10-6)/(5 × 10-9) =  

36) 

______ 
A) 

300  

B) 

3 × 103  

C) 

0.03  

D) 

3 × 10-3  

 
37) 

Express the number .0000003597 using the powers of ten.  

37) 

______ 
A) 

35.97 × 10-4  

B) 

3.597 × 10-7  

C) 

3597 × 10-5   

D) 

359.7 × 10-6  

 
38) 

Express 462 na in scientific notation.  

38) 

______ 
A) 

4.62 × 10-7 a  

B) 

46.2 × 10-8 a  

C) 

4620 × 10-10 a  

D) 

462 × 10-9 a  

 
39) 

Which of the following would express .000000000046 using engineering notation?  

39) 

______ 
A) 

46 × 10-12  

B) 

.46 × 10-3   

C) 

460 × 10-13  

D) 

4.6 × 10-11  

 
40) 

Current flow between a filament and a positive plate in an evacuated tube is known as 

40) 

______ 
A) 

Edison effect  

B) 

Fleming effect  

C) 

Voltage effect  

D) 

Open lamp  

 
41) 

Which of the following describes the numbering format that specifies all powers of ten must be in multiples of 3, and that the mantissa must be greater than or equal to 1, but less than 1000? 

41) 

______ 
A) 

Composition notation  

B) 

Scientific notation  
C) 

Engineering notation  

D) 

Computer notation  

 
SHORT ANSWER.  Write the word or phrase that best completes each statement or answers the question. 
42) 

Convert 50 meters per second to feet per minute. Assume that there are 39.37 inches per meter.  

42)  

_____________ 

 
43) 

Express the result of the following computation in scientific notation. 

43)  

_____________ 

 
44) 

Why are powers of 10 used to express numeric values in scientific and engineering work?  

44)  

_____________ 

 
45) 

If temperature increases at a rate of 0.01°K per second, how many hours must elapse to increase the temperature   

45)  

_____________ 

 
46) 

Express the result of the following computation in scientific notation. 

46)  

_____________ 

 
47) 

Express as a power of 10 the prefix Giga.  

47)  

_____________ 

 
48) 

Convert 0.001 μF to picofarads.  

48)  

_____________ 

 
49) 

Use the conversion factor 1 watt = 0.00134 horsepower to determine the amount of power (in watts) produced by a 10 hp riding lawn mower engine.  

49)  

_____________ 

 
50) 

The CGS system uses what as standard units?  

50)  

_____________ 

 
51) 

Convert 68 degrees Celsius to degrees Kelvin.  

51)  

_____________ 

 
52) 

Convert 1.5 MHz to Kilohertz.  

52)  

_____________ 

 
53) 

Determine the number of seconds in 6 months, assuming 30 days in each month.  

53)  

_____________ 

 
1) 

TRUE 

2) 

TRUE 

3) 

FALSE 

4) 

FALSE 

5) 

TRUE 

6) 

TRUE 

7) 

TRUE 

8) 

FALSE 

9) 

TRUE 

10) 

FALSE 

11) 

TRUE 

12) 

FALSE 

13) 

TRUE 

14) 

TRUE 

15) 

TRUE 

16) 

D 

17) 

B 

18) 

C 

19) 

C 

20) 

D 

21) 

D 

22) 

B 

23) 

D 

24) 

B 

25) 

A 

26) 

C 

27) 

A 

28) 

D 

29) 

B 

30) 

A 

31) 

D 

32) 

C 

33) 

D 

34) 

C 

35) 

C 

36) 

B 

37) 

B 

38) 

A 

39) 

A 

40) 

A 

41) 

C 

42) 

9,843 feet/minute 

43) 

2.5 × 10-1 

44) 

To reduce the difficulty of writing very large or very small numbers. 

45) 

2.78 hours 

46) 

1.2 × 10-7 

47) 

109 

48) 

1000 pf 

49) 

7460 W 

50) 

centimeters, grams, seconds 

51) 

341 degrees Kelvin 

52) 

1500 KHz 

53) 

15,552,000 seconds