CWEA E/I 2 Study Guide
1. In a simple ratio system, the independent variable is:
a. both measured and controlled.
b. controlled but not measured.
c. measured but not controlled.
d. neither measured nor controlled. - ------------ANS: c. measured but not controlled
2. Scheduling should precede:
a. planning.
b. material procurement.
c. workload balancing.
d. job execution - ------------ANS: d. job execution
3. To select the proper protection for a motor, you need to know all the following
except the:
a. ambient temperature.
b. full-load current rating.
c. service factor.
d. time rating. - ------------ANS: a. ambient temperature
4. Local I/O expansion involves the addition of:
a. a second processor.
b. a shift register.
c. data-handling capabilities.
d. I/O points within the rack. - ------------ANS: d. I/O points within the rack.
,4. A major cause of problems in multi-layer printed circuit boards is:
a. age.
b. corrosion.
c. interlayer separation.
d. overheating. - ------------ANS: c. interlayer separation
5. A software problem that causes incorrect results is called a:
a. bug.
b. crash.
c. glitch.
d. spike. - ------------ANS: a. bug.
6. The CPU of a microcomputer is a(n):
a. ALU.
b. microcontroller.
c. microprocessor.
d. printed circuit assembly. - ------------ANS: c. microprocessor
7. Where is a computer's start-up program usually stored?
a. In RAM
b. In ROM
c. On disk
d. On magnetic tape - ------------ANS: b. In ROM
,8. How many signal conditions can digital I/O devices have?
a. One
b. Two
c. Eight
d. An infinite number - ------------ANS: b. Two
9. A CDU (Command and Display Unit) computer screen that senses finger pressure
is:
a. a digitizer.
b. an intelligent terminal.
c. a scanner.
d. a touch screen. - ------------ANS: d. a touch screen.
10. Which of the following is not a goal of a microprocessor-
based engine control system?
a. Better engine performance
b. Better fuel economy
c. Lower exhaust emissions.
d. Lower noise emissions - ------------ANS: d. Lower noise emissions
11. The RS232C standard applies to what type of digital data transmission?
a. Balanced
b. Fiber optic
c. Parallel
d. Serial - ------------ANS: d. Serial
, 12. 10°C is equal to how many degrees Fahrenheit?
a. 23.3°F
b. 50°F
c. 75.6°F
d. - 47.6°F - ------------ANS: b. 50°F
13. An on-off switch with overload relays is called a:
a. magnetic control.
b. manual starter.
c. reversing starter.
d. combination starter - ------------ANS: b. manual starter
14. The root-mean-square method is used to calculate:
a. integral and derivative action.
b. proportional band or gain.
c. system accuracy.
d. transducer bias - ------------ANS: c. system accuracy.
15. Which of the following should you NOT do after giving your crew instructions?
a. Repeat key points
b. Justify your instructions
c. Refuse to change assignments
d. Seek further information on a job - ------------ANS: c. Refuse to change
assignments
1. In a simple ratio system, the independent variable is:
a. both measured and controlled.
b. controlled but not measured.
c. measured but not controlled.
d. neither measured nor controlled. - ------------ANS: c. measured but not controlled
2. Scheduling should precede:
a. planning.
b. material procurement.
c. workload balancing.
d. job execution - ------------ANS: d. job execution
3. To select the proper protection for a motor, you need to know all the following
except the:
a. ambient temperature.
b. full-load current rating.
c. service factor.
d. time rating. - ------------ANS: a. ambient temperature
4. Local I/O expansion involves the addition of:
a. a second processor.
b. a shift register.
c. data-handling capabilities.
d. I/O points within the rack. - ------------ANS: d. I/O points within the rack.
,4. A major cause of problems in multi-layer printed circuit boards is:
a. age.
b. corrosion.
c. interlayer separation.
d. overheating. - ------------ANS: c. interlayer separation
5. A software problem that causes incorrect results is called a:
a. bug.
b. crash.
c. glitch.
d. spike. - ------------ANS: a. bug.
6. The CPU of a microcomputer is a(n):
a. ALU.
b. microcontroller.
c. microprocessor.
d. printed circuit assembly. - ------------ANS: c. microprocessor
7. Where is a computer's start-up program usually stored?
a. In RAM
b. In ROM
c. On disk
d. On magnetic tape - ------------ANS: b. In ROM
,8. How many signal conditions can digital I/O devices have?
a. One
b. Two
c. Eight
d. An infinite number - ------------ANS: b. Two
9. A CDU (Command and Display Unit) computer screen that senses finger pressure
is:
a. a digitizer.
b. an intelligent terminal.
c. a scanner.
d. a touch screen. - ------------ANS: d. a touch screen.
10. Which of the following is not a goal of a microprocessor-
based engine control system?
a. Better engine performance
b. Better fuel economy
c. Lower exhaust emissions.
d. Lower noise emissions - ------------ANS: d. Lower noise emissions
11. The RS232C standard applies to what type of digital data transmission?
a. Balanced
b. Fiber optic
c. Parallel
d. Serial - ------------ANS: d. Serial
, 12. 10°C is equal to how many degrees Fahrenheit?
a. 23.3°F
b. 50°F
c. 75.6°F
d. - 47.6°F - ------------ANS: b. 50°F
13. An on-off switch with overload relays is called a:
a. magnetic control.
b. manual starter.
c. reversing starter.
d. combination starter - ------------ANS: b. manual starter
14. The root-mean-square method is used to calculate:
a. integral and derivative action.
b. proportional band or gain.
c. system accuracy.
d. transducer bias - ------------ANS: c. system accuracy.
15. Which of the following should you NOT do after giving your crew instructions?
a. Repeat key points
b. Justify your instructions
c. Refuse to change assignments
d. Seek further information on a job - ------------ANS: c. Refuse to change
assignments
