CWEA E&I Exam Questions and
Answers Verified Solutions Latest
Update
Question:
Which of the following best describes the efficiency of preventive maintenance for
plant equipment?
Answer:
Periodic inspection of facilities to discover developing defects that could lead to
equipment failure.
Question:
In a 240v-120v Delta system, the high leg is?
Answer:
208v
Question:
What class and division above water on a primary clarifier.
Answer:
Class 1 Division 2
Question:
AC reads out how?
Answer:
Peak to peak.
Question:
What do you use to clean Electrical instruments?
Answer:
For Electro-pnuematic Positioners you use solvent.
, Question:
Where are the overloads installed on a wire diagram.
Answer:
Before circuit protection, in series with the line leads.
Question:
Arc-rated clothing is rated?.
Answer:
Cal/Cm2
Question:
Whats the maximum ampacity on #12 rated wires THWN?(Thermoplastic Heat and
Water-resistant Nylon-coated).
Answer:
20 amps.
Question:
On a 480v 3 phase wye, the nuetral and line phase are?.
Answer:
he same times the square root of 3 (1.73)=480. (Comes to 277v)
Question:
What happens to the speed of a 3 phase motor with an "unbalanced load"?.
Answer:
It's called single phasing and will burn/heat up the motor quickly.
Question:
In excess of what voltage shall insulated tools and gloves be worn for?.
Answer:
120v
Answers Verified Solutions Latest
Update
Question:
Which of the following best describes the efficiency of preventive maintenance for
plant equipment?
Answer:
Periodic inspection of facilities to discover developing defects that could lead to
equipment failure.
Question:
In a 240v-120v Delta system, the high leg is?
Answer:
208v
Question:
What class and division above water on a primary clarifier.
Answer:
Class 1 Division 2
Question:
AC reads out how?
Answer:
Peak to peak.
Question:
What do you use to clean Electrical instruments?
Answer:
For Electro-pnuematic Positioners you use solvent.
, Question:
Where are the overloads installed on a wire diagram.
Answer:
Before circuit protection, in series with the line leads.
Question:
Arc-rated clothing is rated?.
Answer:
Cal/Cm2
Question:
Whats the maximum ampacity on #12 rated wires THWN?(Thermoplastic Heat and
Water-resistant Nylon-coated).
Answer:
20 amps.
Question:
On a 480v 3 phase wye, the nuetral and line phase are?.
Answer:
he same times the square root of 3 (1.73)=480. (Comes to 277v)
Question:
What happens to the speed of a 3 phase motor with an "unbalanced load"?.
Answer:
It's called single phasing and will burn/heat up the motor quickly.
Question:
In excess of what voltage shall insulated tools and gloves be worn for?.
Answer:
120v
