BI_12B

Question 1

Ladder logic is simply a? a) b) Diagram c) d)

Answer 1

Diagram ref: p. 191

Question 2

Binary number 0100 = what decimal? a) b) 4 c) d)

Answer 2

4 ref: p. 192-194

Question 3

Binary number 110 111 101 001 111 = what octal number? a) b) 1010 c) d)

Answer 3

1010 ref: p. 192-194

Question 4

What type of input module is often used in control processes? a) b) PID input c) d)

Answer 4

PID input ref: p. 202

Question 5

What are the four response types?

Answer 5

‘1. Over damped 2. Critically damped 3. Under damped 4. One-fourth Amplitude Response ref: p. 204

Question 6

Which one of these is not a Boolean symbol? a) OR b) AND c) NOR d) NOTIT

Answer 6

d) NOTIT ref: p. 190

Question 7

Binary digits not only represent decimal numbers, but also they can represent: a) Alphabetic characters b) Symbols c) Graphics d) All of the above

Answer 7

d) all of the above ref: p. 194

Question 8

Other analog modules available in PLCs include frequency or pulse - input modules. a) true b) false

Answer 8

a) true ref: p. 201

Question 9

PLCs have change the way process data is:

Answer 9

‘1. Obtained 2. Controlled 3. Used 4. Recorded ref: p. 203