Q1. Alternating Current has:
Candidate Answer - a negative polarity, an amplitude component and a frequency of zero
Result - Incorrect
Q2. Direct Current is a the flow of ___________, which travel in one direction only
Candidate Answer - Protons
Result - Incorrect
Q3. The Electrical Pressure that moves charged particles in a circuit is measured in
Candidate Answer - Millimetres
Result - Incorrect
Q4. The conversion of energy into work over a certain period of time is
Candidate Answer - Pressure
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 - more 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. An adjustable or variable resistor is known as a
Candidate Answer - Capacitor
Result - Incorrect
Q11. 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 - Battery
Result - Incorrect
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 - LED
Result - Incorrect
Q13. Adding up resistances in a series circuit will give the ________________ resistance
Candidate Answer - Input
Result - Incorrect
Q14. Where more than one ground path is created, and different paths create a voltage differential, this is known as a
Candidate Answer - Loop the loop
Result - Incorrect
Q15. A fuse connected in-line at the battery is there to protect
Candidate Answer - The wire and equipment connected
Result - Correct
Q16. No current can flow in an
Candidate Answer - Open circuit
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. Where a relay has extra contacts labelled 30, 85, 86 ,87 and 87a the relay will be a
Candidate Answer - Double pole single throw
Result - Incorrect
Q19. The process of changing AC current to DC current is known as
Candidate Answer - Refraction
Result - Incorrect
Q20. What type of cable should NOT be used in a vehicle environment
Candidate Answer - Solid cable
Result - Correct
Q21. What is an electrical two- terminal device which allows current to pass through it in one direction only
Candidate Answer - Diode
Result - Correct
Q22. 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
Q23. 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
Q24. A professional installation is not just about the quality of your work. It also includes
Candidate Answer -
Result - Incorrect
Q25. Can Bus wires are twisted to help reduce
Candidate Answer - Interference
Result - Correct
Q26. 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 - Petrol Engine
Result - Incorrect
Q27. It is always advisable to run power and signal leads away from each other. This is to avoid
Candidate Answer - Interference
Result - Correct
Q28. A good solder joint should be
Candidate Answer - Smooth, shiny and concave
Result - Correct
Q29. 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
Q30. Where is the optimum position for an antenna to obtain the best signal
Candidate Answer - Roof of the vehicle
Result - Correct
Q31. What type of antenna may not be suitable for vehicles with double-glazed screens, reflective coatings or other special glass
Candidate Answer - Roof antenna
Result - Incorrect
Q32. How much impedance should an ideal antenna cable have?
Candidate Answer -
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. The power supply cable you install should be
Candidate Answer -
Result - Incorrect
Q35. Why must an installer abide by the EMC Directive
Candidate Answer - To comply with the law
Result - Correct
Q36. The main benefit of using an antenna analyser on an airwave device is:
Candidate Answer - The antenna does not have to be mounted to the vehicle
Result - Incorrect
Q37. A GPS antenna needs to be installed:
Candidate Answer - With a clear view of the sky
Result - Correct
Q38. 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
Q39. A fuse is ideally installed as close to the power as possible
Candidate Answer - To protect the car
Result - Incorrect
Q40. You have a high current device to connect to the vehicle. You should take the power from:
Candidate Answer - The battery
Result - Correct
Q41. Where is the optimum position of a separate microphone
Candidate Answer - On or near to the front centre interior light cluster
Result - Correct
Q42. 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
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. 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. 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