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. Electrical Resistance is a property a material possesses to __________ the flow of electricity
Candidate Answer - Restrict
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. 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
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 - Parallel
Result - Correct
Q11. An adjustable or variable resistor is known as a
Candidate Answer - Potentiometer
Result - Correct
Q12. 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
Q13. 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
Q14. A bad connection or any point of resistance on a circuit will cause a
Candidate Answer - Voltage drop
Result - Correct
Q15. Adding up resistances in a series circuit will give the ________________ resistance
Candidate Answer - Additive
Result - Incorrect
Q16. 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
Q17. 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
Q18. A fuse connected in-line at the battery is there to protect
Candidate Answer - The wire and equipment connected
Result - Correct
Q19. 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
Q20. No current can flow in an
Candidate Answer - Open circuit
Result - Correct
Q21. What are the main elements of a relay
Candidate Answer - Coil, spring, contacts
Result - Correct
Q22. The process of changing AC current to DC current is known as
Candidate Answer - Rectification
Result - Correct
Q23. A battery can also be referred to as a
Candidate Answer - Capacitor
Result - Correct
Q24. Primary batteries can
Candidate Answer - Deliver electrical energy but cannot be recharged
Result - Correct
Q25. Using the wrong cable (too small) size for the type of application could cause the cable to
Candidate Answer - Overheat and melt
Result - Correct
Q26. What is an electrical two- terminal device which allows current to pass through it in one direction only
Candidate Answer - Diode
Result - Correct
Q27. A diode is used to:
Candidate Answer - Protect existing factory wiring systems
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. 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
Q30. A good solder joint should be
Candidate Answer - Smooth, shiny and concave
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 - The antenna can be tested regardless of whether the radio terminal is live on the network
Result - Correct
Q38. A risk assessment is a careful examination of aspects of work that could
Candidate Answer - Cause harm to people
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 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
Q42. Where is the optimum position of a separate microphone
Candidate Answer - On or near to the front centre interior light cluster
Result - Correct
Q43. 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
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. 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