Rita Charitable Trust

Car Driving Test 24

Overhauling of oil pump, oil coolers, air cleaners Class Test

Welcome to your Overhauling of oil pump, oil coolers, air cleaners Class Test Hope you understand the class & now it's time to examine yourself through test. Remember you have only 10 minutes to complete the class test after 10 minutes Class test will be automatically submit.तेल पंप, तेल कूलर, एयर क्लीनर के ओवरहालिंग क्लास टेस्ट में आपका स्वागत है। आशा है कि आप क्लास को समझ गए होंगे और अब टेस्ट के माध्यम से खुद को परखने का समय आ गया है। याद रखें कि आपके पास क्लास टेस्ट पूरा करने के लिए केवल 10 मिनट हैं। 10 मिनट के बाद क्लास टेस्ट अपने आप सबमिट हो जाएगा।

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1.What is the primary function of the oil pump in an engine?

To clean the oil

To increase oil temperature

To circulate oil to engine parts

To cool down the engine

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2. Which type of oil pump is most commonly used in automobile engines?

Gear pump

Reciprocating pump

Vane pump

Diaphragm pump

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3. A worn-out oil pump can cause which of the following issues?

High fuel consumption

Low oil pressure

Engine overheating

Slow acceleration

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4. Which of these is NOT a symptom of a failing oil pump?

Engine noise

High oil pressure

Warning light

Poor lubrication

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5. Before overhauling an oil pump, what should be done first?

Refill the oil

Disconnect the battery

Drain engine oil

Remove the cylinder head

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6. Which tool is commonly used to check oil pump clearances?

Micrometer

Dial gauge

Feeler gauge

Vernier caliper

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7. Why is it important to prime the oil pump after overhauling?

To remove debris

To improve engine speed

To prevent dry start

To reduce friction

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8. Which of the following is checked during oil pump inspection?

Pump noise level

Rotor wear and clearance

Oil color

Piston ring gap

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9. Excessive clearance between pump gears may lead to:

High fuel consumption

Overheating

Oil leakage

Low oil pressure

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10. After oil pump installation, what should be verified?

Coolant level

Oil pressure

Spark plug condition

Exhaust emissions

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11. What is the primary function of the oil cooler?

Increase oil pressure

Filter oil

Maintain oil temperature

Pump oil

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12. Where is the oil cooler commonly located?

Near the radiator

Inside the air intake

At the fuel tank

Below the exhaust

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13. Which of the following is a symptom of a faulty oil cooler?

Engine misfire

Oil in coolant

White smoke from exhaust

Clicking sound from engine

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14. A clogged oil cooler can result in:

Poor fuel economy

Reduced engine power

Overheated engine oil

Cold starting issues

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15. During oil cooler removal, it is important to:

Disconnect spark plugs

Drain oil and coolant

Remove the air filter

Increase oil pressure

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16. How can you check for internal leaks in an oil cooler?

Visual inspection

Radiator pressure test

Compression test

Oil level test

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17. When overhauling an oil cooler, what must be replaced?

The pump rotor

The entire radiator

O-rings and gaskets

Fuel injector seals

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18. A cracked oil cooler can cause what issue?

Fuel dilution

Cross-contamination of oil and coolant

Overcharging battery

Reduced turbo boost

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19. Which of these is used to clean the oil cooler passages?

Sandpaper

Air compressor

Wire brush

Engine oil

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20. Why must you ensure proper torque when installing an oil cooler?

To improve flow rate

To prevent leaks

To reduce noise

To ensure cooling fan operation

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21. The main purpose of an air cleaner is to:

Cool intake air

Mix fuel and air

Remove dirt from intake air

Increase turbo pressure

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22. Which type of air cleaner is most commonly used in cars?

Oil bath

Cyclone type

Paper element

Mesh filter

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23. A clogged air filter can lead to:

Engine knocking

High oil pressure

Reduced engine performance

Excessive coolant temperature

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24. Which sign indicates that an air cleaner needs servicing?

Blue smoke

Squeaking belt

Poor acceleration

Excessive exhaust pressure

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25. How often should air filters typically be replaced under normal conditions?

Every 1,000 km

Every oil change

Every 10,000–15,000 km

Once a year only

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26. What tool is often used to clean reusable air filters?

Screwdriver

Air gun

Socket wrench

Spark tester

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27. When overhauling the air cleaner assembly, check for:

Battery voltage

Vacuum leaks

Filter damage or clogging

Fuel pump pressure

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28. An improperly sealed air cleaner can allow:

Oil leakage

Contaminants into the engine

Coolant overflow

Turbo boost loss

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29. Oiled foam air filters should be:

Left dry

Drenched in oil

Lightly oiled

Cleaned with gasoline

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30. What could happen if the air intake is blocked?

Engine will overheat

Oil will leak

Engine may stall or run rich

Coolant will boil

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