1. Question 1 of 25

   A modern diesel-electric locomotive works by:

   A Burning coal to make steam B Magnets lifting the train C A wind turbine on the roof D A diesel engine driving a generator that powers electric motors
2. Question 2 of 25

   Pakistan's first motorway, M-2, connects:

   A Islamabad and Peshawar B Multan and Sukkur C Karachi and Hyderabad D Lahore and Islamabad
3. Question 3 of 25

   Hydraulic brakes in vehicles work on:

   A Archimedes' principle B Ohm's law C Pascal's law D Boyle's law
4. Question 4 of 25

   Aeroplane wings are shaped so that air moving over the top creates:

   A A magnetic force B Higher pressure above the wing C Lower pressure above the wing D No pressure at all
5. Question 5 of 25

   Compared with petrol, CNG as a vehicle fuel produces:

   A More sulphur dioxide B More smoke C Less carbon monoxide and smoke D More lead
6. Question 6 of 25

   Seat belts protect passengers in sudden braking because of the tendency of the body to:

   A Keep moving forward (inertia) B Fall backwards C Float upwards D Stop at once
7. Question 7 of 25

   An anti-lock braking system (ABS) helps by:

   A Cooling the brakes B Preventing the wheels from locking during hard braking C Saving fuel D Increasing engine power
8. Question 8 of 25

   Ships made of steel float because:

   A Wind pushes the hull up B The weight of water they displace equals their own weight C Steel is lighter than water D Water pulls the ship up
9. Question 9 of 25

   A hybrid vehicle uses:

   A A steam engine and a diesel engine B A petrol engine and an electric motor C A solar panel and a sail D Two petrol engines
10. Question 10 of 25

    In a collision, airbags:

    A Cool the brakes B Increase the speed C Stop the engine D Inflate quickly to cushion the passengers
11. Question 11 of 25

    The grooves (treads) on tyres are made to:

    A Improve grip and channel water away B Reduce the air pressure C Make the tyre lighter D Increase the engine speed
12. Question 12 of 25

    A jet engine works on:

    A Newton's first law B Ohm's law C Newton's third law of motion D The law of gravitation
13. Question 13 of 25

    A turbocharger improves engine power by:

    A Cooling the fuel B Using exhaust gas to force more air into the engine C Reducing tyre friction D Charging the battery
14. Question 14 of 25

    In a petrol engine, the fuel-air mixture is ignited by:

    A A spark plug B Compression heat alone C A pilot flame D Friction of the pistons
15. Question 15 of 25

    The Karakoram Highway links Pakistan with China through the:

    A Lowari Pass B Khunjerab Pass C Khyber Pass D Bolan Pass
16. Question 16 of 25

    What is the correct order of strokes in a four-stroke petrol engine?

    A Exhaust, power, compression, intake B Intake, compression, power, exhaust C Compression, intake, exhaust, power D Power, intake, exhaust, compression
17. Question 17 of 25

    A catalytic converter changes carbon monoxide into:

    A Methane B Oxygen C Carbon dioxide D Hydrogen
18. Question 18 of 25

    Regenerative braking in an electric vehicle:

    A Converts kinetic energy back into electrical energy B Increases engine noise C Cools the battery D Stores heat in the tyres
19. Question 19 of 25

    The alternator in a car:

    A Cools the engine B Generates electricity to charge the battery C Steers the wheels D Burns the fuel
20. Question 20 of 25

    The radiator of a car is used to:

    A Increase speed B Charge the battery C Cool the engine coolant D Filter the air
21. Question 21 of 25

    BRT, as in Lahore's Metro Bus, stands for:

    A Bus Rapid Transit B Bus Route Timing C Broad Rail Track D Basic Road Transport
22. Question 22 of 25

    A typical car battery is a ___ battery of 12 volts.

    A Lead-acid B Zinc-carbon dry C Hydrogen fuel D Solar
23. Question 23 of 25

    Maglev trains move faster because they:

    A Use steam B Burn more fuel C Have bigger wheels D Float above the track using magnets, avoiding wheel friction
24. Question 24 of 25

    Pakistan's first metro train service, the Orange Line, operates in:

    A Karachi B Peshawar C Islamabad D Lahore
25. Question 25 of 25

    A car's gearbox allows the engine to provide different combinations of:

    A Colour and shape B Voltage and current C Mass and volume D Speed and force (torque)

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