POSTAL AUTOMOTIVE 2026 TEST PAPER QUESTIONS AND
ANSWERS RATED A+
✔✔The voltage in the secondary of the ignition coil may reach - ✔✔20,000 volts
✔✔Turn ignition point I generally the result of a - ✔✔Faulty condenser
✔✔The most reliable method of testing a storage battery is by using a - ✔✔Hi rate
discharge cell tester
✔✔In a normal operating engine, the vacuum gauge will read - ✔✔8-11
✔✔All of the following have moving parts, except the - ✔✔Ram jet engine
✔✔The speed necessary to escape gravitational pull of the earth is - ✔✔25,000 miles
per hour
✔✔Rocket Designed for Space Travel - ✔✔Saturn Rocket
✔✔False Statement about Flywheel - ✔✔Joined to the Camshaft
✔✔Importance of Radiator Fan - ✔✔During Idling
✔✔Main Difference Between Rockets and Jet Engines - ✔✔Carry Own Oxygen
✔✔Optimal Spark Plug Firing Time for Maximum Power - ✔✔Before Top Dead Center
✔✔Most Accurate Engine Timing Setting Tool - ✔✔Dwell Meter
✔✔Normal Spark Plug Electrode Color - ✔✔White to Yellow
✔✔Cam Angle Adjustment in Distributors - ✔✔With Cap Left On
✔✔Cause of Soft Brake - ✔✔Air in the Lines
✔✔Control of Towing by Adjusting - ✔✔Tie Rod
✔✔The Purpose of a Turbocharger is to - ✔✔Increase engine power by forcing more air
into the combustion chamber
✔✔The Function of a Thermostat in an Engine is to - ✔✔Regulate the engine
temperature by controlling the flow of coolant
ANSWERS RATED A+
✔✔The voltage in the secondary of the ignition coil may reach - ✔✔20,000 volts
✔✔Turn ignition point I generally the result of a - ✔✔Faulty condenser
✔✔The most reliable method of testing a storage battery is by using a - ✔✔Hi rate
discharge cell tester
✔✔In a normal operating engine, the vacuum gauge will read - ✔✔8-11
✔✔All of the following have moving parts, except the - ✔✔Ram jet engine
✔✔The speed necessary to escape gravitational pull of the earth is - ✔✔25,000 miles
per hour
✔✔Rocket Designed for Space Travel - ✔✔Saturn Rocket
✔✔False Statement about Flywheel - ✔✔Joined to the Camshaft
✔✔Importance of Radiator Fan - ✔✔During Idling
✔✔Main Difference Between Rockets and Jet Engines - ✔✔Carry Own Oxygen
✔✔Optimal Spark Plug Firing Time for Maximum Power - ✔✔Before Top Dead Center
✔✔Most Accurate Engine Timing Setting Tool - ✔✔Dwell Meter
✔✔Normal Spark Plug Electrode Color - ✔✔White to Yellow
✔✔Cam Angle Adjustment in Distributors - ✔✔With Cap Left On
✔✔Cause of Soft Brake - ✔✔Air in the Lines
✔✔Control of Towing by Adjusting - ✔✔Tie Rod
✔✔The Purpose of a Turbocharger is to - ✔✔Increase engine power by forcing more air
into the combustion chamber
✔✔The Function of a Thermostat in an Engine is to - ✔✔Regulate the engine
temperature by controlling the flow of coolant
