CWEA EI LEVEL 3 EXAM 100 QUESTIONS AND ANSWERS
2026/2027 || ELECTRICAL & INSTRUMENTATION
CERTIFICATION || INDUSTRIAL CONTROLS, SCADA &
PROCESS INSTRUMENTATION || VERIFIED QUESTIONS &
ACCURATE ANSWERS || HIGH-YIELD STUDY GUIDE ||
GRADED A+
100 exam questions and answers
Control systems are usually designed so that each individual circuit controls:
a. all functions of the machine.
b. at least two functions.
c. only one function.
d. only one device. - CORRECT ANSWER - c. only one function.
A 115-volt, 2-KVA, single-phase generator operating at full load will deliver how
many amperes?
a. 0.23
b. 17.4
c. 57.5
d. 230 - CORRECT ANSWER - b. 17.4
What is the current when a circuit has a 1,500- watt load and a power factor of
86%, and operates from
,a three-phase 230-volt source?
a. 9.7 amps
b. 6.5 amps
c. 4.4 amps
d. 3.8 amps - CORRECT ANSWER - c. 4.4 amps
What is the amp-load of a three-phase, 0.5-hp, 230-volt motor with an efficiency
rating of 92% and a
power factor of 80%?
a. 1.27 amps
b. 1.19 amps
c. 2.55 amps
c. 4.41 amps - CORRECT ANSWER - a. 1.27 amps
A three-phase, 460-volt motor draws a current of 52 amperes. The motor has an
efficiency rating of
94% and a power factor of 80%. What is the horsepower?
a. 24.1 hp
b. 41.7 hp
c. 50.0 hp
d. 73.8 hp - CORRECT ANSWER - b. 41.7 hp
A 120-volt AC circuit draws a current of 5 amperes. Determine the power
consumption.
, a. 60 watts
b. 120 watts
c. 4.8 watts
d. 600 watts - CORRECT ANSWER - d. 600 watts
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. - CORRECT ANSWER - c. measured but not
controlled.
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 - CORRECT ANSWER - c. system accuracy.
To simulate an RTD input, you use a:
a. digital VOM.
b. potentiometer.
c. resistance decade box.
d. wally box. - CORRECT ANSWER - c. resistance decade box.
2026/2027 || ELECTRICAL & INSTRUMENTATION
CERTIFICATION || INDUSTRIAL CONTROLS, SCADA &
PROCESS INSTRUMENTATION || VERIFIED QUESTIONS &
ACCURATE ANSWERS || HIGH-YIELD STUDY GUIDE ||
GRADED A+
100 exam questions and answers
Control systems are usually designed so that each individual circuit controls:
a. all functions of the machine.
b. at least two functions.
c. only one function.
d. only one device. - CORRECT ANSWER - c. only one function.
A 115-volt, 2-KVA, single-phase generator operating at full load will deliver how
many amperes?
a. 0.23
b. 17.4
c. 57.5
d. 230 - CORRECT ANSWER - b. 17.4
What is the current when a circuit has a 1,500- watt load and a power factor of
86%, and operates from
,a three-phase 230-volt source?
a. 9.7 amps
b. 6.5 amps
c. 4.4 amps
d. 3.8 amps - CORRECT ANSWER - c. 4.4 amps
What is the amp-load of a three-phase, 0.5-hp, 230-volt motor with an efficiency
rating of 92% and a
power factor of 80%?
a. 1.27 amps
b. 1.19 amps
c. 2.55 amps
c. 4.41 amps - CORRECT ANSWER - a. 1.27 amps
A three-phase, 460-volt motor draws a current of 52 amperes. The motor has an
efficiency rating of
94% and a power factor of 80%. What is the horsepower?
a. 24.1 hp
b. 41.7 hp
c. 50.0 hp
d. 73.8 hp - CORRECT ANSWER - b. 41.7 hp
A 120-volt AC circuit draws a current of 5 amperes. Determine the power
consumption.
, a. 60 watts
b. 120 watts
c. 4.8 watts
d. 600 watts - CORRECT ANSWER - d. 600 watts
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. - CORRECT ANSWER - c. measured but not
controlled.
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 - CORRECT ANSWER - c. system accuracy.
To simulate an RTD input, you use a:
a. digital VOM.
b. potentiometer.
c. resistance decade box.
d. wally box. - CORRECT ANSWER - c. resistance decade box.
