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Automotive Technician Exam: Questions and Solutions, Exams of Engineering

Grand Canyon University (GCU)Engineering

A series of questions and answers related to automotive technology, covering topics such as engine components, ignition systems, braking systems, and more. It can be a valuable resource for students preparing for automotive technician exams or those seeking to enhance their knowledge in this field.

Typology: Exams

2024/2025

Available from 04/11/2025

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Postal Automotive
Technician Exam 944
Questions and Complete
Solutions Graded A+
1. The vibration damper on an auto engine is fastened to the - Answer: Crankshaft
2. Most small gas engines use a _________ ignition system - Answer: Magneto
3. Icing occurs most often - Answer: On cool damp days
4. The function of the float in a carburetor is two - Answer: Close the needle valve
5. To improve stability when cornering manufactures added a device to cars called - Answer: Stabilizer
bar
6. adjustment of the rods on a car will affect - Answer: Toe-in
7. A restriction in the exhaust system is indicated on a vacuum gauge by a - Answer: gradual decrease in
reading
8. Disc brakes on a car have a distinct advantage over conventional drum brakes in that they - Answer:
Fade Less when hot
9. In a diesel engine, the fuel is ignited by the - Answer: Heat of compression
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Download Automotive Technician Exam: Questions and Solutions and more Exams Engineering in PDF only on Docsity!

Postal Automotive

Technician Exam 944

Questions and Complete

Solutions Graded A+

  1. The vibration damper on an auto engine is fastened to the - Answer: Crankshaft
  2. Most small gas engines use a _________ ignition system - Answer: Magneto
  3. Icing occurs most often - Answer: On cool damp days
  4. The function of the float in a carburetor is two - Answer: Close the needle valve
  5. To improve stability when cornering manufactures added a device to cars called - Answer: Stabilizer bar
  6. adjustment of the rods on a car will affect - Answer: Toe-in
  7. A restriction in the exhaust system is indicated on a vacuum gauge by a - Answer: gradual decrease in reading
  8. Disc brakes on a car have a distinct advantage over conventional drum brakes in that they - Answer: Fade Less when hot
  9. In a diesel engine, the fuel is ignited by the - Answer: Heat of compression
  1. Engine timing is generally set by using a - Answer: Strobe light
  2. If an engine is operating for long periods of time at part throttle opening the - Answer: Spark plugs will become covered with carbon
  3. Leaking intake valve guides will cause - Answer: Excessive oil consumption
  4. Flooding of a carburetor is generally caused by - Answer: A stuck float needle valve
  5. On many cars the fuel pump is combined with the - Answer: vacuum pump
  6. Corbon fouling of a spark plug is an indication of - Answer: To rich a mixture
  7. If a test shows that generator output is excessive even after the F Terminal has been disconnected the trouble may be traced to - Answer: The generator
  8. An automobile alternator converts alternating current to direct current, by means of - Answer: Silicon diodes
  9. Hard starting is very often caused by - Answer: Improper choke operation
  10. A car with a history of burned points would probably indicate - Answer: Too high setting of the voltage regulator
  11. When it is necessary to recondition brake drums, the maximum allowable amount of the oversize is__________ inches - Answer:.
  12. The amount of air fuel mixture taken into the cylinder on the intake Stroke is a measure of the engines. - Answer: Volumetric efficiency
  1. Gasoline cannot be used in a diesel because the - Answer: Gasoline will start to burn long before the piston reach the top of the stroke
  2. On the compression stroke, diesel engine compresses - Answer: Air
  3. The idle and low speed circuit in a carburetor is in operative - Answer: Speed over 20 mph
  4. A generator should be polarized to prevent damage whenever - Answer: The generator or regulator wires have been disconnected
  5. Turboprop engine is a more efficient than turbo jet engines for aircraft flying - Answer: Short trips
  6. A blower or pump which forces air into cylinders at higher than atmospheric pressure is known as - Answer: Supercharger
  7. The fuel pump is actuated by the - Answer: Camshaft
  8. A storage battery become so faded when the - Answer: Batteries is discharged
  9. The most common cause for excess tire wear on edges is - Answer: Underinflation
  10. The correct order of piston rings above the piston pin is - Answer: Oil- oil - compression - compression The voltage in the secondary of the ignition coil may reach__________ volts. - Answer: 20, Turn ignition point I generally the result of a - Answer: Faulty condenser The most reliable method of testing a storage battery is by using a - Answer: Hi rate, discharge cell tester

In a normal operating engine, the vacuum gauge will read - Answer: 8- All of the following have moving parts, except the____________ jet engine. - Answer: Ram Does speed necessary to escape gravitational pull of the earth is_________miles per hour - Answer: 25, The rocket designed to carry a man into space is - Answer: Saturn Rocket Of the following statements about the fly wheel, the one that is not true is: - Answer: Joined to the camshaft A radiator fan is most essential - Answer: When idling Rockets differ mainly from jet engines in that day - Answer: Carry their own oxygen with them For maximum power, the spark plug is time to fire when the piston reaches - Answer: Before top dead center Engine timing may be set most accurately with a - Answer: Dwell meter The color around the electrodes of spark plugs which indicates normal where is - Answer: White to yellow And some late models of distributors, the cam angle is set with - Answer: The cap Left on A soft break is generally the result of - Answer: Air in the lines Towing is controlled by adjusting the - Answer: Tie Rod