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. The conversion of energy into work over a certain period of time is
Candidate Answer - Kinetic
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. An adjustable or variable resistor is known as a
Candidate Answer - Potentiometer
Result - Correct
Q9. 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
Q10. A bad connection or any point of resistance on a circuit will cause a
Candidate Answer - Voltage drop
Result - Correct
Q11. Adding up resistances in a series circuit will give the ________________ resistance
Candidate Answer - Total
Result - Correct
Q12. 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
Q13. 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
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. 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
Q19. 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
Q20. The process of changing AC current to DC current is known as
Candidate Answer - Rectification
Result - Correct
Q21. A battery can also be referred to as a
Candidate Answer - Capacitor
Result - Correct
Q22. Primary batteries can
Candidate Answer - Deliver electrical energy but cannot be recharged
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. 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
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 - Interference
Result - Correct
Q30. 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 - Airbag
Result - Correct
Q31. It is always advisable to run power and signal leads away from each other. This is to avoid
Candidate Answer - Interference
Result - Correct
Q32. A good solder joint should be
Candidate Answer - Smooth, shiny and concave
Result - Correct
Q33. 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
Q34. The power supply cable you install should be
Candidate Answer - Connected and any excess taped up tidily and secured
Result - Incorrect
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. Is it acceptable to install a transceiver or any other device in the load storage area of a vehicle
Candidate Answer - Yes, if it does not obstruct access to other items, and is safe for the device.
Result - Correct
Q40. A fuse is ideally installed as close to the power as possible
Candidate Answer - To ensure the cable and device are protected.
Result - Correct
Q41. You have a high current device to connect to the vehicle. You should take the power from:
Candidate Answer - The battery
Result - Correct
Q42. 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
Q43. You have a device which has a fuse installed on the device itself. Is it correct to install a separate fuse on the cable?
Candidate Answer - Yes, to protect the cable
Result - Correct
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