Q1. Electrical Resistance is a property a material possesses to __________ the flow of electricity
Candidate Answer - Restrict
Result - Correct
Q2. The conversion of energy into work over a certain period of time is
Candidate Answer - Power
Result - Correct
Q3. The conversion of electrical energy into another form of work is measured in
Candidate Answer - Watts
Result - Correct
Q4. 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
Q5. The sum of the individual voltage drops in a series circuit must be ______ the applied voltage
Candidate Answer - equal to
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. 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
Q8. An adjustable or variable resistor is known as a
Candidate Answer - Diode
Result - Incorrect
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 __________________ 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
Q11. A bad connection or any point of resistance on a circuit will cause a
Candidate Answer - Voltage drop
Result - Correct
Q12. Adding up resistances in a series circuit will give the ________________ resistance
Candidate Answer - Additive
Result - Incorrect
Q13. A ground loop creates interference. How is it created?
Candidate Answer - By connecting the battery
Result - Incorrect
Q14. A fuse connected in-line at the battery is there to protect
Candidate Answer - The wire and equipment connected
Result - Correct
Q15. 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
Q16. No current can flow in an
Candidate Answer - Open circuit
Result - Correct
Q17. What are the main elements of a relay
Candidate Answer - Coil, diode, inductor
Result - Incorrect
Q18. Whenever the relay has an INTERNAL SPIKE SUPPRESSION DIODE, to activate the relay
Candidate Answer -
Result - Incorrect
Q19. Where a relay has extra contacts labelled 30, 85, 86 ,87 and 87a the relay will be a
Candidate Answer - Double pole double throw
Result - Incorrect
Q20. The process of changing AC current to DC current is known as
Candidate Answer - Refraction
Result - Incorrect
Q21. A battery can also be referred to as a
Candidate Answer - Capacitor
Result - Correct
Q22. Using the wrong cable (too small) size for the type of application could cause the cable to
Candidate Answer - Overheat and melt
Result - Correct
Q23. What is an electrical two- terminal device which allows current to pass through it in one direction only
Candidate Answer - Diode
Result - Correct
Q24. A diode is used to:
Candidate Answer - Protect existing factory wiring systems
Result - Correct
Q25. 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
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 - Allowing extra time to clear faults post install
Result - Incorrect
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 starter
Result - Incorrect
Q29. Can Bus wires are twisted to help reduce
Candidate Answer - Interference
Result - Correct
Q30. It is always advisable to run power and signal leads away from each other. This is to avoid
Candidate Answer - Interference
Result - Correct
Q31. Where is the optimum position for an antenna to obtain the best signal
Candidate Answer - Roof of the vehicle
Result - Correct
Q32. How much impedance should an ideal antenna cable have?
Candidate Answer - 30 Ohms
Result - Incorrect
Q33. 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
Q34. Why must an installer abide by the EMC Directive
Candidate Answer - To complete an audit trail
Result - Incorrect
Q35. The main benefit of using an antenna analyser on an airwave device is:
Candidate Answer - The antenna can be checked to see if the ground has a good connection
Result - Incorrect
Q36. A risk assessment is a careful examination of aspects of work that could
Candidate Answer - Cause harm to people
Result - Correct
Q37. A fuse is ideally installed as close to the power as possible
Candidate Answer - To ensure the cable and device are protected.
Result - Correct
Q38. You have a high current device to connect to the vehicle. You should take the power from:
Candidate Answer - The battery
Result - Correct
Q39. You have just drilled a hole in a metal panel in the vehicle. The next step is:
Candidate Answer - Install a grommet
Result - Incorrect
Q40. Where is the optimum position of a separate microphone
Candidate Answer - On or near to the front centre interior light cluster
Result - Correct
Q41. 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
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 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