Q1. Direct Current is a the flow of ___________, which travel in one direction only
Candidate Answer - Electrons
Result - Correct
Q2. The conversion of energy into work over a certain period of time is
Candidate Answer - Kinetic
Result - Incorrect
Q3. You have a 55w bulb running a conventional 12v system, what will the current flow be?
Candidate Answer - 4.58 Amps
Result - Correct
Q4. The sum of the individual voltage drops in a series circuit must be ______ the applied voltage
Candidate Answer - less than
Result - Incorrect
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 - Protons
Result - Incorrect
Q7. An adjustable or variable resistor is known as a
Candidate Answer - Diode
Result - Incorrect
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. A bad connection or any point of resistance on a circuit will cause a
Candidate Answer - Voltage drop
Result - Correct
Q10. Adding up resistances in a series circuit will give the ________________ resistance
Candidate Answer - Total
Result - Correct
Q11. 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
Q12. 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
Q13. A fuse connected in-line at the battery is there to protect
Candidate Answer - The battery
Result - Incorrect
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 - Closed circuit
Result - Incorrect
Q16. An electromechanical device that uses a coil (electro) to move switch contacts (mechanical) is known as a
Candidate Answer - Relay
Result - Correct
Q17. Whenever the relay has an INTERNAL SPIKE SUPPRESSION DIODE, to activate the relay
Candidate Answer - 86 must always be connected the Negative (-) terminal and 85 must always be connected to the Positive (+) terminal
Result - Incorrect
Q18. Where a relay has extra contacts labelled 30, 85, 86 ,87 and 87a the relay will be a
Candidate Answer - Single pole single throw
Result - Incorrect
Q19. The process of changing AC current to DC current is known as
Candidate Answer - Refraction
Result - Incorrect
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 - Primary battery
Result - Incorrect
Q23. What type of cable should NOT be used in a vehicle environment
Candidate Answer - Solid cable
Result - Correct
Q24. A diode is used to:
Candidate Answer - To keep current constant
Result - Incorrect
Q25. When a diode conducts there will be a______ drop across it, and less voltage will be available for the equipment.
Candidate Answer - 10 volt
Result - Incorrect
Q26. 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
Q27. A professional installation is not just about the quality of your work. It also includes
Candidate Answer - Your preparedness and professionalism
Result - Correct
Q28. When the amperage draw of a system exceeds 120% of the alternator’s maximum output, which components will sustain damage
Candidate Answer - The battery and alternator
Result - Correct
Q29. Can Bus wires are twisted to help reduce
Candidate Answer - Resistance
Result - Incorrect
Q30. A good solder joint should be
Candidate Answer - Smooth, shiny and concave
Result - Correct
Q31. 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
Q32. 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
Q33. The power supply cable you install should be
Candidate Answer - Cut to the correct length and as short as possible
Result - Correct
Q34. Why must an installer abide by the EMC Directive
Candidate Answer - To comply with the law
Result - Correct
Q35. 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
Q36. A GPS antenna needs to be installed:
Candidate Answer - With a clear view of the sky
Result - Correct
Q37. A risk assessment is a careful examination of aspects of work that could
Candidate Answer - Cause harm to people
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. You have a high current device to connect to the vehicle. You should take the power from:
Candidate Answer - The fuse box
Result - Incorrect
Q40. You have just drilled a hole in a metal panel in the vehicle. The next step is:
Candidate Answer - Debur the hole and carefully remove any swarf
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. What must the business provide to the technician before any work is carried out on a vehicle?
Candidate Answer - A CE mark to prove the installers competence
Result - Incorrect
Q45. When installing equipment into police vehicles, guidance is available from FCS1362 and from the Code of Practice from which organisation?
Candidate Answer - NAPFM
Result - Correct