Q1. Alternating Current has:
Candidate Answer - A changing polarity, an amplitude component and a frequency,
Result - Correct
Q2. The Electrical Pressure that moves charged particles in a circuit is measured in
Candidate Answer - Volts
Result - Correct
Q3. Electrical Resistance is a property a material possesses to __________ the flow of electricity
Candidate Answer - Restrict
Result - Correct
Q4. The sum of the individual voltage drops in a series circuit must be ______ the applied voltage
Candidate Answer - equal to
Result - Correct
Q5. 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
Q6. A resistor is defined as an electrical component designed to have a resistance against the flow of ___________
Candidate Answer - Electrons
Result - Correct
Q7. Which component listed contains a wire or strip of metal that is installed in series with a power line that is designed to melt if it receives an excessive amount of current, is called
Candidate Answer - Fuse
Result - Correct
Q8. 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
Q9. 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
Q10. A ground loop creates interference. How is it created?
Candidate Answer - By any non zero resistances between the wiring to ground and each piece of equipment
Result - Correct
Q11. 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
Q12. An electromechanical device that uses a coil (electro) to move switch contacts (mechanical) is known as a
Candidate Answer - Relay
Result - Correct
Q13. Whenever the relay has an INTERNAL SPIKE SUPPRESSION DIODE, to activate the relay
Candidate Answer - 30 must always be connected the Negative (-) terminal and 87 must always be connected to the Positive (+) terminal
Result - Incorrect
Q14. Where a relay has extra contacts labelled 30, 85, 86 ,87 and 87a the relay will be a
Candidate Answer - Single pole double throw
Result - Correct
Q15. The process of changing AC current to DC current is known as
Candidate Answer - Refraction
Result - Incorrect
Q16. A battery can also be referred to as a
Candidate Answer - Capacitor
Result - Correct
Q17. Primary batteries can
Candidate Answer - Deliver electrical energy but cannot be recharged
Result - Correct
Q18. The main battery on a vehicle is normally a lead-acid compound and can be recharged. It is known as a
Candidate Answer - Primary battery
Result - Incorrect
Q19. What type of cable should NOT be used in a vehicle environment
Candidate Answer - Solid cable
Result - Correct
Q20. Using the wrong cable (too small) size for the type of application could cause the cable to
Candidate Answer - Overheat and melt
Result - Correct
Q21. What is an electrical two- terminal device which allows current to pass through it in one direction only
Candidate Answer - Diode
Result - Correct
Q22. A diode is used to:
Candidate Answer - Protect existing factory wiring systems
Result - Correct
Q23. 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
Q24. In order to avoid self destruction, what is normally connected to an LED in series to limit the current across it
Candidate Answer - Resistor
Result - Correct
Q25. A professional installation is not just about the quality of your work. It also includes
Candidate Answer - Your preparedness and professionalism
Result - Correct
Q26. Can Bus wires are twisted to help reduce
Candidate Answer - Interference
Result - Correct
Q27. 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
Q28. It is always advisable to run power and signal leads away from each other. This is to avoid
Candidate Answer - Interference
Result - Correct
Q29. A good solder joint should be
Candidate Answer - Smooth, shiny and concave
Result - Correct
Q30. To avoid EMC issues it is advisable to use a product that has CE marking, what does CE stand for in English
Candidate Answer - European Conformity
Result - Correct
Q31. In case of any conflict when complying with installation instructions, which instruction take priority?
Candidate Answer - The vehicle manufacturer
Result - Correct
Q32. What does EMC stand for?
Candidate Answer - Electro Magnetic Compatibility
Result - Correct
Q33. Where is the optimum position for an antenna to obtain the best signal
Candidate Answer - Roof of the vehicle
Result - Correct
Q34. What type of antenna may not be suitable for vehicles with double-glazed screens, reflective coatings or other special glass
Candidate Answer - Glass mount
Result - Correct
Q35. How much impedance should an ideal antenna cable have?
Candidate Answer - 50 Ohms
Result - Correct
Q36. The power supply cable you install should be
Candidate Answer - Cut to the correct length and as short as possible
Result - Correct
Q37. The main benefit of using an antenna analyser on an airwave device is:
Candidate Answer - To check that the connections to the radio are acceptable
Result - Incorrect
Q38. A GPS antenna needs to be installed:
Candidate Answer - With a clear view of the sky
Result - Correct
Q39. A risk assessment is a careful examination of aspects of work that could
Candidate Answer - Cause harm to people
Result - Correct
Q40. 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
Q41. Where is the optimum position of a separate microphone
Candidate Answer - On or near to the front centre interior light cluster
Result - Correct
Q42. Should all equipment power supplies, whether taken from the ignition or battery circuits, be fused?
Candidate Answer - Yes, all fuses must be protected by an adequate fuse of the correct rating
Result - Correct
Q43. Are you responsible for the installation of used equipment to be compliant with the latest relevant legislation
Candidate Answer - Yes, the installer is responsible
Result - Correct
Q44. If the initial test of a GPS antenna is not consistent with expectations you should firstly:
Candidate Answer - Test the unit with a test GPS antenna mounted temporarily on the roof
Result - Correct
Q45. What must the business provide to the technician before any work is carried out on a vehicle?
Candidate Answer - A risk assessment document
Result - Correct