Q1. Alternating Current has:
Candidate Answer - A changing polarity, an amplitude component and a frequency,
Result - Correct
Q2. Direct Current is a the flow of ___________, which travel in one direction only
Candidate Answer - Electrons
Result - Correct
Q3. The measurable relationship between current, voltage, resistance and power is described in
Candidate Answer - Ohm's Law
Result - Correct
Q4. The Electrical Pressure that moves charged particles in a circuit is measured in
Candidate Answer - Volts
Result - Correct
Q5. Electrical Resistance is a property a material possesses to __________ the flow of electricity
Candidate Answer - Enable
Result - Incorrect
Q6. The conversion of electrical energy into another form of work is measured in
Candidate Answer - Watts
Result - Correct
Q7. You have a 55w bulb running a conventional 12v system, what will the current flow be?
Candidate Answer - 4.58 Amps
Result - Correct
Q8. A resistor is defined as an electrical component designed to have a resistance against the flow of ___________
Candidate Answer - Electrons
Result - Correct
Q9. When circuit elements are connected so that two terminals are shared and voltage is common across the shared terminals this is called
Candidate Answer - Parallel
Result - Correct
Q10. 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
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 - Diode
Result - Incorrect
Q12. Adding up resistances in a series circuit will give the ________________ resistance
Candidate Answer - Total
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. An electromechanical device that uses a coil (electro) to move switch contacts (mechanical) is known as a
Candidate Answer - Relay
Result - Correct
Q16. Whenever the relay has an INTERNAL SPIKE SUPPRESSION DIODE, to activate the relay
Candidate Answer - 86 must always be connected the Negative (-) terminal and 87 must always be connected to the Positive (+) terminal
Result - Incorrect
Q17. 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
Q18. The process of changing AC current to DC current is known as
Candidate Answer - Refraction
Result - Incorrect
Q19. Primary batteries can
Candidate Answer - Deliver electrical energy but cannot be recharged
Result - Correct
Q20. 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
Q21. What type of cable should NOT be used in a vehicle environment
Candidate Answer - Solid cable
Result - Correct
Q22. What is an electrical two- terminal device which allows current to pass through it in one direction only
Candidate Answer - Resistor
Result - Incorrect
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 - Circuit Breaker
Result - Incorrect
Q25. 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
Q26. Can Bus wires are twisted to help reduce
Candidate Answer - Interference
Result - Correct
Q27. A good solder joint should be
Candidate Answer - Smooth, shiny and concave
Result - Correct
Q28. To avoid EMC issues it is advisable to use a product that has CE marking, what does CE stand for in English
Candidate Answer - Confirms Europe
Result - Incorrect
Q29. What does EMC stand for?
Candidate Answer - Electro Magnetic Compatibility
Result - Correct
Q30. 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
Q31. How much impedance should an ideal antenna cable have?
Candidate Answer - 25 Kohm
Result - Incorrect
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 maintain warranties
Result - Incorrect
Q35. 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
Q36. A GPS antenna needs to be installed:
Candidate Answer - With a clear view of the sky
Result - Correct
Q37. 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
Q38. Is it acceptable to install a transceiver or any other device in the load storage area of a vehicle
Candidate Answer - No
Result - Incorrect
Q39. A fuse is ideally installed as close to the power as possible
Candidate Answer - To prevent power surges
Result - Incorrect
Q40. You have just drilled a hole in a metal panel in the vehicle. The next step is:
Candidate Answer - Paint the edges with a rust inhibitor
Result - Incorrect
Q41. 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
Q42. 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
Q43. If the initial test of a GPS antenna is not consistent with expectations you should firstly:
Candidate Answer - Consider moving the antenna from the front of the vehicle to the rear of the vehicle
Result - Incorrect
Q44. 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
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