Electricity In Automobile — Part 2 MCQs with Explanations
Practice high-yield Automobile Engineering MCQs on Electricity In Automobile — Part 2 with worked academic solutions for PPSC, FPSC, Transport Dept.
Questions
40
Difficulty Level
Exam-Level
Target Exams
PPSC, FPSC, Transport Dept
Estimated Time
48 mins
Exam-Level PPSC FPSC Transport Dept
Verified for Commission Syllabus • Oct 14, 2026
40
Verified Practice Questions
Interactive test mode with detailed academic worked solutions
Live Progress|0/40 answered
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🎉 Set complete! All 40 questions answered.
Question 1 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In a DC generator, magnetic field is produced in the
Correct Answer: Option D — Stator
Detailed Academic Explanation:
Stator is the correct answer to “In a DC generator, magnetic field is produced in the”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 2 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
All the heavier vehicle use a . . . . . . . . battery system.
Correct Answer: Option D — 24 V
Detailed Academic Explanation:
24 V is the correct answer to “All the heavier vehicle use a . . . . . . . . battery system.”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 3 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
A battery's reserve capacity is measured in
Correct Answer: Option B — Minutes
Detailed Academic Explanation:
Minutes is the correct answer to “A battery's reserve capacity is measured in”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 4 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The colour of positive plate of lead-acid battery is
Correct Answer: Option D — Brown
Detailed Academic Explanation:
Brown is the correct answer to “The colour of positive plate of lead-acid battery is”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 5 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which of the following statement is correct with regard to insulator?
Correct Answer: Option B — Insulator is a non-conductor
Detailed Academic Explanation:
Insulator is a non-conductor is the correct answer to “Which of the following statement is correct with regard to insulator”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 6 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In automobile which of the hom is used-
Correct Answer: Option D — All are correct
Detailed Academic Explanation:
All are correct is the correct answer to “In automobile which of the hom is used-”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 7 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Battery is an assembly of cells in series with the positive terminal of one connected to the negative of the other
Correct Answer: Option A — True
Detailed Academic Explanation:
True is the correct answer to “Battery is an assembly of cells in series with the positive terminal of one connected to the negative of the other”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 8 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The current carrying capacity of cable size $${{14} \over {0.012}}$$ is-
Correct Answer: Option C — 7 amp.
Detailed Academic Explanation:
7 amp. is the correct answer to “The current carrying capacity of cable size $${{14} \over {0.012}}$$ is-”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 9 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
When performing a starter current draw test, high current draw usually indicates
Correct Answer: Option D — Engine problem or a bad starter
Detailed Academic Explanation:
Engine problem or a bad starter is the correct answer to “When performing a starter current draw test, high current draw usually indicates”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 10 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Body of the dynamo is made of . . . . . . . . steel in circular pipe shape.
Correct Answer: Option C — Milk
Detailed Academic Explanation:
Milk is the correct answer to “Body of the dynamo is made of . . . . . . . . steel in circular pipe shape.”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 11 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The specific gravity of acid in a fully charged battery at 80°F (26.7°C) is generally
Correct Answer: Option C — 1.27
Detailed Academic Explanation:
1.27 is the correct answer to “The specific gravity of acid in a fully charged battery at 80°F (26.7°C) is generally”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 12 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
If a battery is continuously undercharged it becomes-
Correct Answer: Option C — Sulphated
Detailed Academic Explanation:
Sulphated is the correct answer to “If a battery is continuously undercharged it becomes-”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 13 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Cut out relay is also called as
Correct Answer: Option D — Circuit breaker
Detailed Academic Explanation:
Circuit breaker is the correct answer to “Cut out relay is also called as”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 14 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The positive plates of a lead acid battery has
Correct Answer: Option A — Lead peroxide
Detailed Academic Explanation:
Lead peroxide is the correct answer to “The positive plates of a lead acid battery has”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 15 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Ignition coil is used to
Correct Answer: Option C — Step up voltage
Detailed Academic Explanation:
Step up voltage is the correct answer to “Ignition coil is used to”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 16 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which of the following is the main component of a battery?
Correct Answer: Option D — All are correct
Detailed Academic Explanation:
All are correct is the correct answer to “Which of the following is the main component of a battery”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 17 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The acid used in automobile battery
Correct Answer: Option D — Sulphuric acid
Detailed Academic Explanation:
Sulphuric acid is the correct answer to “The acid used in automobile battery”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 18 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The current carrying capacity of cable size $${{28} \over {0.012}}$$ is-
Correct Answer: Option B — 14 amp.
Detailed Academic Explanation:
14 amp. is the correct answer to “The current carrying capacity of cable size $${{28} \over {0.012}}$$ is-”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 19 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In a fuel tank, when the float is near the top of the tank, the resistance is
Correct Answer: Option A — Small
Detailed Academic Explanation:
Small is the correct answer to “In a fuel tank, when the float is near the top of the tank, the resistance is”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 20 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The candle power of stop lights is-
Correct Answer: Option D — 3
Detailed Academic Explanation:
3 is the correct answer to “The candle power of stop lights is-”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 21 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
What is the maximum intensity of upper beam?
Correct Answer: Option C — 75000 cp
Detailed Academic Explanation:
75000 cp is the correct answer to “What is the maximum intensity of upper beam”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 22 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which is a type of bulb?
Correct Answer: Option D — All are correct
Detailed Academic Explanation:
All are correct is the correct answer to “Which is a type of bulb”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 23 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The basic purpose of the over-running clutch in the starter drive is to
Correct Answer: Option C — Disengage the armature when the engine starts
Detailed Academic Explanation:
Disengage the armature when the engine starts is the correct answer to “The basic purpose of the over-running clutch in the starter drive is to”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 24 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The candle power of Head light is-
Correct Answer: Option D — 50000 -75000
Detailed Academic Explanation:
50000 -75000 is the correct answer to “The candle power of Head light is-”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 25 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
To measure current in a circuit, the ammeter is connected in
Correct Answer: Option A — Series
Detailed Academic Explanation:
Series is the correct answer to “To measure current in a circuit, the ammeter is connected in”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 26 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Fully discharged battery has sp. gravity (at 27°)-
Correct Answer: Option C — 1.100
Detailed Academic Explanation:
1.100 is the correct answer to “Fully discharged battery has sp. gravity (at 27°)-”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 27 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The function of the voltage regulator in an alternator is that it
Correct Answer: Option B — regulates the alternator's output voltage by changing the current (amperage) value of the stator's field current
Detailed Academic Explanation:
regulates the alternator's output voltage by changing the current (amperage) value of the stator's field current is the correct answer to “The function of the voltage regulator in an alternator is that it”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 28 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Blue light indicates
Correct Answer: Option B — Head lamp circuit
Detailed Academic Explanation:
Head lamp circuit is the correct answer to “Blue light indicates”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 29 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The container of a lead-acid battery is made of-
Correct Answer: Option D — All are correct
Detailed Academic Explanation:
All are correct is the correct answer to “The container of a lead-acid battery is made of-”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 30 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
An instrument called hydrometer is used for
Correct Answer: Option A — Measuring specific gravity of acid
Detailed Academic Explanation:
Measuring specific gravity of acid is the correct answer to “An instrument called hydrometer is used for”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 31 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which of the following light contain 6 cp?
Correct Answer: Option C — Dome light
Detailed Academic Explanation:
Dome light is the correct answer to “Which of the following light contain 6 cp”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 32 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Resistance used to perform a useful function in a circuit is known as the load device.
Correct Answer: Option A — True
Detailed Academic Explanation:
True is the correct answer to “Resistance used to perform a useful function in a circuit is known as the load device.”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 33 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
. . . . . . . . is the quantity of electrical charge furnished by a current of one ampere for one hour.
Correct Answer: Option B — Ampere hour
Detailed Academic Explanation:
Ampere hour is the correct answer to “. . . . . . . . is the quantity of electrical charge furnished by a current of one ampere for one hour.”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 34 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Battery box is made of hard . . . . . . . . with separate compartments for each cell.
Correct Answer: Option B — Rubber
Detailed Academic Explanation:
Rubber is the correct answer to “Battery box is made of hard . . . . . . . . with separate compartments for each cell.”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 35 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Brown colour indicates-
Correct Answer: Option A — Battery circuit interior light
Detailed Academic Explanation:
Battery circuit interior light is the correct answer to “Brown colour indicates-”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 36 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
When the battery is fully discharged then its specific gravity (27°) is-
Correct Answer: Option C — 1.100
Detailed Academic Explanation:
1.100 is the correct answer to “When the battery is fully discharged then its specific gravity (27°) is-”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 37 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
How is the hydrometer reading taken correctly?
Correct Answer: Option C — Both are correct
Detailed Academic Explanation:
Both are correct is the correct answer to “How is the hydrometer reading taken correctly”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 38 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The cells are connected in series in order to
Correct Answer: Option A — Increase the voltage rating
Detailed Academic Explanation:
Increase the voltage rating is the correct answer to “The cells are connected in series in order to”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 39 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The candle power of glove compartment light is-
Correct Answer: Option A — 1
Detailed Academic Explanation:
1 is the correct answer to “The candle power of glove compartment light is-”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
Question 40 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
For negative plates . . . . . . . . is pasted.
Correct Answer: Option B — Lead antimony
Detailed Academic Explanation:
Lead antimony is the correct answer to “For negative plates . . . . . . . . is pasted.”. This question is standard in competitive examination syllabi for Electricity In Automobile.
💡Key Conceptual Anchor:Electricity In Automobile
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Master the next curriculum module with 40 exam-standard MCQs.
In competitive commission exams (FPSC, PPSC, KPPSC, SPSC, CSS, PMS), questions are frequently phrased with distractor options designed to catch rote learners. Whenever you answer an MCQ, read the Detailed Academic Explanation and Conceptual Anchor to understand why the remaining options are incorrect.