Have you been shortlisted for The Nigerian Electricity Regulatory Commission (NERC) online Aptitude test scheduled to take place in September, 2022… Here are a few sample NERC Past questions to give you an idea of what the questions looked like in the past.
VERY IMPORTANT! Note that 2022 NERC Aptitude test will be conducted by TESTMI on their testing platform. So, it is recommended to get our TESTMI past questions pack or the NERC Past questions and Answers Prep pack that contains TESTMI Questions
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NERC past exam questions are randomly drawn from different fields, and TESTmi questions usually cover sections like verbal reasoning, quantitative reasoning, logical reasoning, current affairs, general knowledge, etc.
Sample NERC Recruitment Exams Past Questions & Answers
1) What becomes V if we use 2 resistors of 4W in parallel?
A. 2.66 V
B. 6 V
C. 12 V
D. 24 V
2) If x = y – 9, and y – 4 = 10, x = ?
A. -5
B. +5
C. 1
D. A and B
3) What is the force in pounds exerted upwards on a piston with a diameter of 4 inches if a gauge indicates the internal pressure in the cylinder is 1000 psi?
A. 4000 lbs
B. 250 lbs
C. 50,266 lbs
D. 12,566 lbs
4) What is the weight in kilograms of a string of pipe that is 11,500 ft long and weighs .33 pounds per inch?
A. 1,725 kg
B. 20,700 kg
C. 45,540 kg
D. 3795 kg
5) How much time in minutes will it take a car driving at 90 km/hr to travel 27 kilometers?
A. 3.3 minutes
B. 2430 minutes
C. 18 minutes
D. 0.3 minutes
6) What is the total capacity in gallons of a rectangular tank 5 meters in height knowing that it will hold 200 liters per foot?
A. 3281 gal
B. 1000 gal
C. 867 gal
D. 8670 gal
In the following question, a related pair of words or phrases is followed by five lettered pairs of words or phrases. Select the lettered pair that best expresses a relationship similar to that expressed in the original pair.
7) COLOR: SPECTRUM
A. tone: scale
B. sound: waves
C. verse: poem
D. dimension: space
8) Choose the lettered word or phrase that is most nearly opposite in meaning to the word DIFFUSE:
A. concentrate
B. contend
C. imply
D pretend
For questions 9 to 15, select the correct answer:
9) I don’t know_____.
A. where is your pen
B. where is your pen is
C. where is the pen
D. where is the pen of yours
- If you want to see him, __.
A. please let me know
B. let me know, please
C. please let me know
D. let me please be known - _, the little girl ran out of the yard.
A. Being afraid of the dog
B. The dog she is afraid of
C. The dog has been afraid of
D. Was being afraid of the dog - The manager_____ here at 4 p.m.
A. is supposed to arrive
B. is supposed to arrive
C. will suppose to arrive
D. is supposed to arrive - Due to the devaluation, many people have become rich, but many others _.
A. ruined
B. have been ruined
C. have ruined
D. would have ruined - The man has been hospitalized since yesterday __.
A. because his serious wound
B. because of his serious wound
C. because of his seriously wound
D. because his wound seriously - Your suggestion, __, is beneficial to both the company and the employees.
A. different than his
B. as well as he
C. as he is
D. like his
In the sentence below, choose the word or set of words for each blank that best fits the meaning of the sentence as a whole.
16) Early _ of hearing loss is __ by the fact that the other senses are able to compensate for moderate amounts of loss, so that people frequently do not know that their hearing is imperfect.
(A) discovery … indicated
(B) development … prevented
(C) detection … complicated
(D) treatment … facilitated
For questions 17 to 40, choose the correct tense for the verbs in brackets:
17) I usually go by train, but this weekend I am going by bus. It (takes) longer but it costs less.
A. take
B. takes
C. is taken
D. will take
18) I (do not think) your brother is enjoying the party. He keeps looking at his watch.
A. doesn’t think
B. didn’t think
C. don’t think
D. am not thinking
19) The hall (be) painted at the moment, so it isn’t looking its best.
A. is being
B. is
C. is to be
D. will be
20) At present I’m having my typewriter (repaired).
A. repairing
B. repaired
C. is repaired
D. being repaired
NERC Past Questions and Answers for Nigerian Electricity Regulatory Commission Test
NERC Aptitude Test Past Questions
- In Nigeria the standard voltage and the frequency is _ respectively
A. 230 V / 50 Hz
B. 302 V / 75
C. 420 V / 70
D. 530 V /50
Answer: 230 V / 50 Hz - One of this is not a source of electricity.
A. Sun
B. Wind
C. Water
D. Hydrogen
answer: Hydrogen - _ is the rate of doing work?
A. Power
B. Energy
C. Strength
D. Fitness
Answer: Energy - PPM means?
A. Prepaid meter
B. Permanent meter
C. Power meter
D. Prefer meter
Answer: Prepaid meter
5) How much time in minutes will it take a car driving at 90 km/hr to travel 27 kilometers?
A. 3.3 minutes
B. 2430 minutes
C. 18 minutes
D. 0.3 minutes
6) What is the total capacity in gallons of a rectangular tank 5 meters in height knowing that it will hold 200 liters per foot?
A. 3281 gal
B. 1000 gal
C. 867 gal
D. 8670 gal
In the following question, a related pair of words or phrases is followed by five lettered pairs of words or phrases. Select the lettered pair that best expresses a relationship similar to that expressed in the original pair.
7) COLOR: SPECTRUM
A. tone: scale
B. sound: waves
C. verse: poem
D. dimension: space
8) Choose the lettered word or phrase that is most nearly opposite in meaning to the word DIFFUSE:
A. concentrate
B. contend
C. imply
D pretend
For questions 9 to 15, select the correct answer:
9) I don’t know_____.
A. where is your pen
B. where is your pen is
C. where is the pen
D. where is the pen of yours
- If you want to see him, __.
A. please let me know
B. let me know, please
C. please let me know
D. let me please be known - If you want to see him, __.
A. please let me know
B. let me know, please
C. please let me know
D. let me please be known - _, the little girl ran out of the yard.
A. Being afraid of the dog
B. The dog she is afraid of
C. The dog has been afraid of
D. Was being afraid of the dog - The manager_____ here at 4 p.m.
A. is supposed to arrive
B. is supposed to arrive
C. will suppose to arrive
D. is supposed to arrive - Due to the devaluation, many people have become rich, but many others _.
A. ruined
B. have been ruined
C. have ruined
D. would have ruined - The man has been hospitalized since yesterday __.
A. because his serious wound
B. because of his serious wound
C. because of his seriously wound
D. because his wound seriously - Your suggestion, __, is beneficial to both the company and the employees.
A. different than his
B. as well as he
C. as he is
D. like his
In the sentence below, choose the word or set of words for each blank that best fits the meaning of the sentence as a whole.
16) Early _ of hearing loss is __ by the fact that the other senses are able to compensate for moderate amounts of loss, so that people frequently do not know that their hearing is imperfect.
(A) discovery … indicated
(B) development … prevented
(C) detection … complicated
(D) treatment … facilitated
For questions 17 to 40, choose the correct tense for the verbs in brackets:
17) I usually go by train, but this weekend I am going by bus. It (takes) longer but it costs less.
A. take
B. takes
C. is taken
D. will take
18) I (do not think) your brother is enjoying the party. He keeps looking at his watch.
A. doesn’t think
B. didn’t think
C. don’t think
D. am not thinking
19) The hall (be) painted at the moment, so it isn’t looking its best.
A. is being
B. is
C. is to be
D. will be
20) At present I’m having my typewriter (repaired).
A. repairing
B. repaired
C. is repaired
D. being repaired
Electrical Questions / Answers
1). If there is 6 A of current through the filament of a lamp, how many coulombs of charge move through the filament in 1.75 s?
A. 10.5 C
B. 105 C
C. 3.4 C
D. 34 C
Correct Answers: A
- Resistance limits the current.
A. True
B. False
Correct Answers: A
- When placed close together, two positively charged materials will
A. Attract
B. Become neutral
C. Become negative
D. Repel
Correct Answers: D
4). A circuit breaker is a_______?
A. Fuse
B. Switch
C. Resettable protective device
D. Resistor
Correct Answers: C
- Materials with lots of free electrons are called
A. Conductors
B. Insulators
C. Semiconductors
D. Filters
Correct Answers: A
- The colored bands for a 4,700 ohm resistor with a ten percent tolerance are
A. Yellow, violet, red, gold
B. Yellow, violet, orange, gold
C. Yellow, violet, red, silver
D. Orange, violet, red, silver
Correct Answers: C
7). Free electrons make current possible.
A. True
B. False
Correct Answers: A
8). A material that does not allow current under normal conditions is a/an
A. Conductor
B. insulator
C. Semiconductor
D. Valence
Correct Answers: B
9) The current in a given circuit is not to exceed 24 A. Which value of fuse is best?
A. A fuse is not necessary
B. 24 A
C. 210 A
D. 20 A
Correct Answers: B
10). An open circuit is one that has a complete current path.
A. True
B. False
Correct Answers: B
- The maximum resistance value for a brown, red, yellow, gold resistor is
A. 126,000 Ω
B. 126,600 Ω
C. 114,000 Ω
D. 132,000 Ω
Correct Answers: A
- The insulating material for a cable should have
A. Low cost
B. High dielectric strength
C. High mechanical strength
D. All of the above
Correct Answers: D
- In a cable immediately above metallic sheath __ is provided.
A. Earthing connection
B. Armouring
C. Bedding
D. None of the above
Correct Answers: C
- Which of the following variety of copper has the best conductivity ?
A. Induction hardened copper
B. Hard drawn copper
C. Pure annealed copper
D. Copper containing traces of silicon
Correct Answers: C
15). Those materials are well suited for making permanent magnets which have retentivity and coercivity.
A. Low, high
B. High, high
C. High, low
D. Low, low
Correct Answers: B
Other Sample Questions / Answers
16). A report consists of 20 sheets each of 55 lines and each such line consist of 65 characters. This report is reduced onto sheets each of 65 lines such that each line consists of 70 characters. The percentage reduction in number of sheets is closer to
A. 20%
B. 5%
C. 30%
D. 35%
Correct Answers: A
17). The price of Hunda car rises by 30 percent while the sales of the car come down by 20%. What is the percentage change in the total revenue?
A. – 4%
B. – 2%
C. + 4%
D. + 2%
Correct Answers: C
18). If a 36 inches long strip cloth shrinks to 33 inches after being washed, how many inches long will the same strip remain after washing if it were 48 inches long?
A. 47 inches
B. 44 inches
C. 45 inches
D. 46 inches
Correct Answers: B
19). Every month a man consumes 25 kg rice and 9 kg wheat. The price of rice is 20% of the price of wheat and thus he spends total N350 on the rice and wheat per month. If the price of wheat is increased by 20% then what is the percentage reduction of rice consumption for the same expenditure of N50? Given that the price of rice and consumption of wheat is constant :
A. 40%
B. 25%
C. 36%
D. 24%
Correct Answers: C
Pick the option that best interpret the statement initially given:
20). You need not come unless you want to.
A. You don’t need to come unless you want to
B. You come only when you want to
C. You come unless you don’t want to
D. You needn’t come until you don’t want to
Correct Answers: A
21). Choose the expression or word which best complete each sentences:
It was a long poem but he learnt it ….
A. off head
B. in memory
C. by heart
D. at heart
Correct Answers: C
22). What year was Nigerian Electricity Regulatory Commission (NERC) in naugurated?
A. 2015
B. 2016
C. 2017
D. 2018
Correct Answers: C
23). The main function of NERC, when it comes to electricity in Nigeria is?
A. Management
B. Regulatory
C. Establishment
D. Assessment
Correct Answers: C
24). Electricity generation started in Nigeria in the year _?
A. 1900
B. 1880
C. 1914
D. 1886
Correct Answers: D
25). The first amount of electric current generated in Nigeria when electricity began was?
A. 60kw
B. 600kw
C. 25kw
D. 1205KW
Correct Answers: A
26). Electric current was first generated in Nigeria through a_______?
A. Kanji Dam
B. Car
C. Grinder
D. Generator
Correct Answers: D
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