Q1. Alternating Current has:
Candidate Answer - a positive polarity, an amplitude component and a frequency of zero
Result - Incorrect
Q2. Direct Current is a the flow of ___________, which travel in one direction only
Candidate Answer - Electrons
Result - Correct
Q3. The Electrical Pressure that moves charged particles in a circuit is measured in
Candidate Answer - Volts
Result - Correct
Q4. The conversion of energy into work over a certain period of time is
Candidate Answer - Potential
Result - Incorrect
Q5. You have a 55w bulb running a conventional 12v system, what will the current flow be?
Candidate Answer - 4.58 Amps
Result - Correct
Q6. What is the resistance of a bulb with a current flow of 5amps with a voltage of 24Volts
Candidate Answer - 4.8 Ohms
Result - Correct
Q7. The sum of the individual voltage drops in a series circuit must be ______ the applied voltage
Candidate Answer - equal to
Result - Correct
Q8. The voltage applied to a DC Series Circuit that must equal the sum of the voltage drops with a circuit is known as
Candidate Answer - Kirchhoff law
Result - Correct
Q9. A resistor is defined as an electrical component designed to have a resistance against the flow of ___________
Candidate Answer - Electrons
Result - Correct
Q10. When circuit elements are connected so that two terminals are shared and voltage is common across the shared terminals this is called
Candidate Answer - Closed
Result - Incorrect
Q11. A __________________ is a device placed in series with a power line which, when an excess amount of current is sensed, will open the power connection, thus protecting a circuit or system.
Candidate Answer - Circuit Breaker
Result - Correct
Q12. A bad connection or any point of resistance on a circuit will cause a
Candidate Answer - Voltage drop
Result - Correct
Q13. Where more than one ground path is created, and different paths create a voltage differential, this is known as a
Candidate Answer - Ground loop
Result - Correct
Q14. When connecting a high current device, connect a fuse at the battery no more than 25 cm from the battery and make sure it is
Candidate Answer - Before the bulkhead
Result - Correct
Q15. No current can flow in an
Candidate Answer - Open circuit
Result - Correct
Q16. An electromechanical device that uses a coil (electro) to move switch contacts (mechanical) is known as a
Candidate Answer - Relay
Result - Correct
Q17. What are the main elements of a relay
Candidate Answer - Coil, spring, contacts
Result - Correct
Q18. Where a relay has extra contacts labelled 30, 85, 86 ,87 and 87a the relay will be a
Candidate Answer - Double pole double throw
Result - Incorrect
Q19. The process of changing AC current to DC current is known as
Candidate Answer - Rectification
Result - Correct
Q20. A battery can also be referred to as a
Candidate Answer - Capacitor
Result - Correct
Q21. Primary batteries can
Candidate Answer - Deliver electrical energy but cannot be recharged
Result - Correct
Q22. The main battery on a vehicle is normally a lead-acid compound and can be recharged. It is known as a
Candidate Answer - Secondary battery
Result - Correct
Q23. What type of cable should NOT be used in a vehicle environment
Candidate Answer - Solid cable
Result - Correct
Q24. Using the wrong cable (too small) size for the type of application could cause the cable to
Candidate Answer - Overheat and melt
Result - Correct
Q25. What is an electrical two- terminal device which allows current to pass through it in one direction only
Candidate Answer - Diode
Result - Correct
Q26. A diode is used to:
Candidate Answer - Protect existing factory wiring systems
Result - Correct
Q27. When a diode conducts there will be a______ drop across it, and less voltage will be available for the equipment.
Candidate Answer - 0.7 volt
Result - Correct
Q28. Can Bus wires are twisted to help reduce
Candidate Answer - Interference
Result - Correct
Q29. What component are we describing in the article below ‘An accelerant is ignited which in turn ignites the gas generating material, causing an explosion’
Candidate Answer - Petrol Engine
Result - Incorrect
Q30. It is always advisable to run power and signal leads away from each other. This is to avoid
Candidate Answer - Interference
Result - Correct
Q31. What does EMC stand for?
Candidate Answer - Electro Magnetic Compatibility
Result - Correct
Q32. What type of antenna may not be suitable for vehicles with double-glazed screens, reflective coatings or other special glass
Candidate Answer - Roof antenna
Result - Incorrect
Q33. How much impedance should an ideal antenna cable have?
Candidate Answer - 30 Ohms
Result - Incorrect
Q34. If the antenna cable is too short for the installation, ideally you should
Candidate Answer - Replace the antenna cable with the correct length
Result - Correct
Q35. Why must an installer abide by the EMC Directive
Candidate Answer -
Result - Incorrect
Q36. The main benefit of using an antenna analyser on an airwave device is:
Candidate Answer - The antenna can be tested regardless of whether the radio terminal is live on the network
Result - Correct
Q37. A GPS antenna needs to be installed:
Candidate Answer - With a clear view of the sky
Result - Correct
Q38. At the preinstallation stage after you have checked the condition of the interior, to prevent any damage to the vehicle you should
Candidate Answer - Fit seat covers and any other protective equipment
Result - Correct
Q39. Is it acceptable to install a transceiver or any other device in the load storage area of a vehicle
Candidate Answer -
Result - Incorrect
Q40. You have a high current device to connect to the vehicle. You should take the power from:
Candidate Answer -
Result - Incorrect
Q41. You have just drilled a hole in a metal panel in the vehicle. The next step is:
Candidate Answer -
Result - Incorrect
Q42. Where is the optimum position of a separate microphone
Candidate Answer -
Result - Incorrect
Q43. Should all equipment power supplies, whether taken from the ignition or battery circuits, be fused?
Candidate Answer -
Result - Incorrect
Q44. Are you responsible for the installation of used equipment to be compliant with the latest relevant legislation
Candidate Answer -
Result - Incorrect
Q45. If the initial test of a GPS antenna is not consistent with expectations you should firstly:
Candidate Answer -
Result - Incorrect