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 Electrical Pressure that moves charged particles in a circuit is measured in
Candidate Answer - Volts
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 - Potential
Result - Incorrect
Q6. The conversion of electrical energy into another form of work is measured in
Candidate Answer - Joules
Result - Incorrect
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 - less than
Result - Incorrect
Q9. 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
Q10. A resistor is defined as an electrical component designed to have a resistance against the flow of ___________
Candidate Answer - Electrons
Result - Correct
Q11. When circuit elements are connected so that two terminals are shared and voltage is common across the shared terminals this is called
Candidate Answer - Series
Result - Incorrect
Q12. An adjustable or variable resistor is known as a
Candidate Answer - Potentiometer
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 fuse connected in-line at the battery is there to protect
Candidate Answer - The wire and equipment connected
Result - Correct
Q17. An electromechanical device that uses a coil (electro) to move switch contacts (mechanical) is known as a
Candidate Answer - Relay
Result - Correct
Q18. What are the main elements of a relay
Candidate Answer - Coil, spring, contacts
Result - Correct
Q19. 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
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 - Recharged by passing a direct current in the opposite direction of discharge
Result - Incorrect
Q23. The main battery on a vehicle is normally a lead-acid compound and can be recharged. It is known as a
Candidate Answer - Primary battery
Result - Incorrect
Q24. What type of cable should NOT be used in a vehicle environment
Candidate Answer - Solid cable
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. A diode is used to:
Candidate Answer - To keep current constant
Result - Incorrect
Q27. 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
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. It is always advisable to run power and signal leads away from each other. This is to avoid
Candidate Answer - Interference
Result - Correct
Q31. 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
Q32. In case of any conflict when complying with installation instructions, which instruction take priority?
Candidate Answer - The vehicle manufacturer
Result - Correct
Q33. What does EMC stand for?
Candidate Answer - Electro Magnetic Compatibility
Result - Correct
Q34. Where is the optimum position for an antenna to obtain the best signal
Candidate Answer - Roof of the vehicle
Result - Correct
Q35. How much impedance should an ideal antenna cable have?
Candidate Answer - 25 Kohm
Result - Incorrect
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 GPS antenna needs to be installed:
Candidate Answer - With a clear view of the sky
Result - Correct
Q39. 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
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. 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