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 - Allow
Result - Incorrect
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. 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 - Parallel
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. 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
Q15. 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
Q16. A fuse connected in-line at the battery is there to protect
Candidate Answer - The wire and equipment connected
Result - Correct
Q17. 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
Q18. 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
Q19. A battery can also be referred to as a
Candidate Answer - Capacitor
Result - Correct
Q20. Primary batteries can
Candidate Answer - Deliver electrical energy but cannot be recharged
Result - Correct
Q21. 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
Q22. What type of cable should NOT be used in a vehicle environment
Candidate Answer - Solid cable
Result - Correct
Q23. Using the wrong cable (too small) size for the type of application could cause the cable to
Candidate Answer - Overheat and melt
Result - Correct
Q24. What is an electrical two- terminal device which allows current to pass through it in one direction only
Candidate Answer - Diode
Result - Correct
Q25. A diode is used to:
Candidate Answer - Protect existing factory wiring systems
Result - Correct
Q26. A professional installation is not just about the quality of your work. It also includes
Candidate Answer - Your preparedness and professionalism
Result - Correct
Q27. 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
Q28. Can Bus wires are twisted to help reduce
Candidate Answer - Interference
Result - Correct
Q29. It is always advisable to run power and signal leads away from each other. This is to avoid
Candidate Answer - Interference
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. How much impedance should an ideal antenna cable have?
Candidate Answer - 50 Ohms
Result - Correct
Q35. The power supply cable you install should be
Candidate Answer - Cut to the correct length and as short as possible
Result - Correct
Q36. Why must an installer abide by the EMC Directive
Candidate Answer - To comply with the law
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. A risk assessment is a careful examination of aspects of work that could
Candidate Answer - Cause harm to people
Result - Correct
Q40. 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
Q41. A fuse is ideally installed as close to the power as possible
Candidate Answer - To ensure the cable and device are protected.
Result - Correct
Q42. You have a high current device to connect to the vehicle. You should take the power from:
Candidate Answer - The battery
Result - Correct
Q43. Where is the optimum position of a separate microphone
Candidate Answer - On or near to the front centre interior light cluster
Result - Correct
Q44. 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
Q45. 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