Q1. Direct Current is a the flow of ___________, which travel in one direction only
Candidate Answer - Electrons
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. Electrical Resistance is a property a material possesses to __________ the flow of electricity
Candidate Answer - Enable
Result - Incorrect
Q5. The conversion of energy into work over a certain period of time is
Candidate Answer - Kinetic
Result - Incorrect
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 -
Result - Incorrect
Q10. A resistor is defined as an electrical component designed to have a resistance against the flow of ___________
Candidate Answer - Electrons
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 - Input
Result - Incorrect
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 - 85 must always be connected the Negative (-) terminal and 86 must always be connected to the Positive (+) terminal
Result - Correct
Q20. 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
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. Using the wrong cable (too small) size for the type of application could cause the cable to
Candidate Answer - Overheat and melt
Result - Correct
Q27. What is an electrical two- terminal device which allows current to pass through it in one direction only
Candidate Answer - Diode
Result - Correct
Q28. A diode is used to:
Candidate Answer - Protect existing factory wiring systems
Result - Correct
Q29. 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
Q30. A professional installation is not just about the quality of your work. It also includes
Candidate Answer - Your preparedness and professionalism
Result - Correct
Q31. 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
Q32. It is always advisable to run power and signal leads away from each other. This is to avoid
Candidate Answer - Interference
Result - Correct
Q33. 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
Q34. In case of any conflict when complying with installation instructions, which instruction take priority?
Candidate Answer - The vehicle manufacturer
Result - Correct
Q35. What does EMC stand for?
Candidate Answer - Electro Magnetic Compatibility
Result - Correct
Q36. How much impedance should an ideal antenna cable have?
Candidate Answer - 50 Ohms
Result - Correct
Q37. 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
Q38. The power supply cable you install should be
Candidate Answer - Cut to the correct length and as short as possible
Result - Correct
Q39. 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
Q40. A GPS antenna needs to be installed:
Candidate Answer - With a clear view of the sky
Result - Correct
Q41. 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
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 - Consider moving the antenna from the front of the vehicle to the rear of the vehicle
Result - Incorrect
Q45. 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