Q1. Alternating Current has:
Candidate Answer - A changing polarity, an amplitude component and a frequency,
Result - Correct
Q2. The measurable relationship between current, voltage, resistance and power is described in
Candidate Answer - Ohm's Law
Result - Correct
Q3. The Electrical Pressure that moves charged particles in a circuit is measured in
Candidate Answer - Volts
Result - Correct
Q4. The conversion of energy into work over a certain period of time is
Candidate Answer - Power
Result - Correct
Q5. The conversion of electrical energy into another form of work is measured in
Candidate Answer - Watts
Result - Correct
Q6. You have a 55w bulb running a conventional 12v system, what will the current flow be?
Candidate Answer - 4.58 Amps
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 sum of the individual voltage drops in a series circuit must be ______ the applied voltage
Candidate Answer - equal to
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. 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
Q13. A bad connection or any point of resistance on a circuit will cause a
Candidate Answer - Voltage drop
Result - Correct
Q14. Adding up resistances in a series circuit will give the ________________ resistance
Candidate Answer - Total
Result - Correct
Q15. 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
Q16. 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
Q17. A fuse connected in-line at the battery is there to protect
Candidate Answer - The wire and equipment connected
Result - Correct
Q18. 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
Q19. No current can flow in an
Candidate Answer - Open circuit
Result - Correct
Q20. 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
Q21. The process of changing AC current to DC current is known as
Candidate Answer - Rectification
Result - Correct
Q22. A battery can also be referred to as a
Candidate Answer - Capacitor
Result - Correct
Q23. Primary batteries can
Candidate Answer - Deliver electrical energy but cannot be recharged
Result - Correct
Q24. 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
Q25. What type of cable should NOT be used in a vehicle environment
Candidate Answer - Solid cable
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. Can Bus wires are twisted to help reduce
Candidate Answer - Interference
Result - Correct
Q28. 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
Q29. A good solder joint should be
Candidate Answer - Smooth, shiny and concave
Result - Correct
Q30. To avoid EMC issues it is advisable to use a product that has CE marking, what does CE stand for in English
Candidate Answer - European Conformity
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. 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
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 a high current device to connect to the vehicle. You should take the power from:
Candidate Answer - The battery
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. 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. 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
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