NERC Aptitude Test Past Questions and Answers. The Nigerian Electricity Regulatory Commission has released the previous Aptitude test past questions and answers. Interested applicants preparing for the test should kindly go through the past questions and Answers in the article below.
Nigerian Electricity Regulatory Commission (NERC) Aptitude Test Past Questions and Answers
Nigerian Electricity Regulatory Commission (NERC) is an independent regulatory body with authority for the regulation of the electric power industry in Nigeria. NERC was formed in 2005 under the Obasanjo administration’s economic reform agenda through the Electric Power Sector Reform Act, 2005 for formation and review of electricity tariffs, transparent policies regarding subsidies, promotion of policies that are efficient and environmentally friendly, and also including forming and enforcing of standards in the creation and use of electricity in Nigeria. NERC was instituted primarily to regulate the tariff of Power Generating companies owned or controlled by the government, and any other generating company which has a licence for power generation and transmission of energy, and distribution of electricity.
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Nigerian Electricity Regulatory Commission Past Questions and Answers for NERC Test
1. 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
2. One of this is not a source of electricity.
A. Sun
B. Wind
C. Water
D. Hydrogen
answer: Hydrogen
3. _____ is the rate of doing work?
A. Power
B. Energy
C. Strength
D. Fitness
Answer: Energy
4. 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
10. 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
11. _______, 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
12. 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
13. 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
14. 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
15. 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
2. Resistance limits the current.
A. True
B. False
Correct Answers: A
3. 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
5. Materials with lots of free electrons are called
A. Conductors
B. Insulators
C. Semiconductors
D. Filters
Correct Answers: A
6. 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
11. 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
12. 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
13. In a cable immediately above metallic sheath ________ is provided.
A. Earthing connection
B. Armouring
C. Bedding
D. None of the above
Correct Answers: C
14. 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
See also –
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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