ESCO ELECTRICAL CERTIFICATION EXAM
NEWEST ACTUAL EXAM WITH COMPLETE
QUESTIONS AND DETAILED VERIFIED
ANSWERS GRADED A+ | 100% VERIFIED |
2024 UPDATE!!!
A step-up transformer increases - ✔✔✔ Correct Answer
> B. voltage
Three resistors are wired parallel. Two have a value of 12 ohms,
one of 6. What is the total resistance? - ✔✔✔ Correct
Answer > C. 3
Which of the following is an acceptable temporary replacement
capacitor for a 35MFD, 440VAC capacitor? - ✔✔✔ Correct
Answer > D. 37.5MFD, 440VAC
When checking the windings on a three phase motor, the
resistance readings should: - ✔✔✔ Correct Answer > C.
All read the same
,A transformer has 1000 turns on the primary side and 500 on
the secondary. What is the output if the input is 120v? - ✔✔✔
Correct Answer > C. 60v
A transformer has 1000 turns on the primary side and 2000 on
the secondary. What is the output if the input is 120v? - ✔✔✔
Correct Answer > D. 240v
If the conductor in an AC circuit is wound into a coil, the
resulting EMF opposes supply voltage. This is called: - ✔✔✔
Correct Answer > B. Inductive reactance
To change rotation on a 3-phase motor: - ✔✔✔ Correct
Answer > C. Change position of any two wires
A solenoid valve operates on the principle of: - ✔✔✔
Correct Answer > C. Electromagnetism
, A ___ is commonly used on a single phase fractional horse
power compressor to disconnect the start winding. - ✔✔✔
Correct Answer > D. Current relay
The rotation of a single phase motor is determined by: - ✔✔✔
Correct Answer > A.The direction of current through the
start winding
Single phase motor speed is determined by: - ✔✔✔ Correct
Answer > B. Number of stator poles
Capacitor-start, capacitor-run motors provide: - ✔✔✔
Correct Answer > B. Medium running and high starting
torque
Direct digital control (DDC) is: - ✔✔✔ Correct Answer >
D. Electronic controls used for equipment control and
monitoring
What connects the T1, T2 and T3 terminals on a contactor? -
✔✔✔ Correct Answer > B. Load wires
NEWEST ACTUAL EXAM WITH COMPLETE
QUESTIONS AND DETAILED VERIFIED
ANSWERS GRADED A+ | 100% VERIFIED |
2024 UPDATE!!!
A step-up transformer increases - ✔✔✔ Correct Answer
> B. voltage
Three resistors are wired parallel. Two have a value of 12 ohms,
one of 6. What is the total resistance? - ✔✔✔ Correct
Answer > C. 3
Which of the following is an acceptable temporary replacement
capacitor for a 35MFD, 440VAC capacitor? - ✔✔✔ Correct
Answer > D. 37.5MFD, 440VAC
When checking the windings on a three phase motor, the
resistance readings should: - ✔✔✔ Correct Answer > C.
All read the same
,A transformer has 1000 turns on the primary side and 500 on
the secondary. What is the output if the input is 120v? - ✔✔✔
Correct Answer > C. 60v
A transformer has 1000 turns on the primary side and 2000 on
the secondary. What is the output if the input is 120v? - ✔✔✔
Correct Answer > D. 240v
If the conductor in an AC circuit is wound into a coil, the
resulting EMF opposes supply voltage. This is called: - ✔✔✔
Correct Answer > B. Inductive reactance
To change rotation on a 3-phase motor: - ✔✔✔ Correct
Answer > C. Change position of any two wires
A solenoid valve operates on the principle of: - ✔✔✔
Correct Answer > C. Electromagnetism
, A ___ is commonly used on a single phase fractional horse
power compressor to disconnect the start winding. - ✔✔✔
Correct Answer > D. Current relay
The rotation of a single phase motor is determined by: - ✔✔✔
Correct Answer > A.The direction of current through the
start winding
Single phase motor speed is determined by: - ✔✔✔ Correct
Answer > B. Number of stator poles
Capacitor-start, capacitor-run motors provide: - ✔✔✔
Correct Answer > B. Medium running and high starting
torque
Direct digital control (DDC) is: - ✔✔✔ Correct Answer >
D. Electronic controls used for equipment control and
monitoring
What connects the T1, T2 and T3 terminals on a contactor? -
✔✔✔ Correct Answer > B. Load wires
