MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Automobile Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
When no.1 piston of a four cylinder in line four stroke engine is performing the power stroke, no.4 piston is on the stroke called _______ |
| A. | Suction |
| B. | Compression |
| C. | Power |
| D. | Exhaust |
| Answer» B. Compression | |
| 2. |
The purpose of a piston pin is that _________ |
| A. | It prevents the valve from rotating |
| B. | It links the connecting rod to the crankshaft |
| C. | It ensure the piston ring to the piston |
| D. | It connect the piston to the connecting rod |
| Answer» E. | |
| 3. |
What type of material is used for Gudgeon pin? |
| A. | Cast iron |
| B. | Aluminium |
| C. | Steel alloy of high strength |
| D. | Hardened and ground steel |
| Answer» D. Hardened and ground steel | |
| 4. |
Piston compression rings are made of _____________ |
| A. | Cast iron |
| B. | Steel |
| C. | Aluminium |
| D. | Bronze |
| Answer» B. Steel | |
| 5. |
Engine pistons are generally made of aluminium alloy because ______ |
| A. | It is lighter |
| B. | It is stronger |
| C. | It has less wear |
| D. | It absorbs shock |
| Answer» B. It is stronger | |
| 6. |
Connecting rod is attached to the piston by the ___________ |
| A. | Rod cap |
| B. | Piston pin |
| C. | Cap bolt |
| D. | Lower cap |
| Answer» C. Cap bolt | |
| 7. |
The escape of burned gases from the combustion chamber past the pistons and into the crankcase is called _______ |
| A. | Gas loss |
| B. | Blow by |
| C. | By pass |
| D. | Passed gas |
| Answer» C. By pass | |
| 8. |
The purpose of crankcase ventilation is to __________ |
| A. | Cool the oil |
| B. | Remove vaporised water and fuel |
| C. | Supply oxygen to the crankcase |
| D. | It assists in maintaining the viscosity of oil |
| Answer» C. Supply oxygen to the crankcase | |
| 9. |
In general, What type of section is used for connecting rods? |
| A. | Forged I-section |
| B. | Forged round section |
| C. | Cast iron square section |
| D. | Forged square section steel |
| Answer» B. Forged round section | |
| 10. |
The function of crankcase in two stroke petrol engines is _________ |
| A. | It lower downs the temperature |
| B. | It forms a pressurised chamber for fuel air mixture |
| C. | It holds the exhaust gases after combustion |
| D. | None of the mentioned |
| Answer» C. It holds the exhaust gases after combustion | |