Q1. Alternating Current has:
Candidate Answer - a positive 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 - Electrons
Result - Correct
Q3. The measurable relationship between current, voltage, resistance and power is described in
Candidate Answer - Ohm's Law
Result - Correct
Q4. The Electrical Pressure that moves charged particles in a circuit is measured in
Candidate Answer - Volts
Result - Correct
Q5. Electrical Resistance is a property a material possesses to __________ the flow of electricity
Candidate Answer - Restrict
Result - Correct
Q6. The conversion of energy into work over a certain period of time is
Candidate Answer - Kinetic
Result - Incorrect
Q7. You have a 55w bulb running a conventional 12v system, what will the current flow be?
Candidate Answer - 4.58 Amps
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. 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. 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. Adding up resistances in a series circuit will give the ________________ resistance
Candidate Answer - Total
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. No current can flow in an
Candidate Answer - Open circuit
Result - Correct
Q18. An electromechanical device that uses a coil (electro) to move switch contacts (mechanical) is known as a
Candidate Answer - Relay
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. 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
Q21. 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
Q22. What is an electrical two- terminal device which allows current to pass through it in one direction only
Candidate Answer - Diode
Result - Correct
Q23. A diode is used to:
Candidate Answer - To keep current constant
Result - Incorrect
Q24. 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
Q25. Can Bus wires are twisted to help reduce
Candidate Answer - Weight
Result - Incorrect
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 - Airbag
Result - Correct
Q27. To avoid EMC issues it is advisable to use a product that has CE marking, what does CE stand for in English
Candidate Answer - Confirms Europe
Result - Incorrect
Q28. In case of any conflict when complying with installation instructions, which instruction take priority?
Candidate Answer - The vehicle manufacturer
Result - Correct
Q29. What does EMC stand for?
Candidate Answer - Electro Magnetic Compatibility
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. How much impedance should an ideal antenna cable have?
Candidate Answer - 50 Ohms
Result - Correct
Q32. If the antenna cable is too short for the installation, ideally you should
Candidate Answer - Use an adaptor to connect 2 cables together
Result - Incorrect
Q33. The power supply cable you install should be
Candidate Answer - Cut to the correct length and as short as possible
Result - Correct
Q34. 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
Q35. A GPS antenna needs to be installed:
Candidate Answer - With a clear view of the sky
Result - Correct
Q36. A risk assessment is a careful examination of aspects of work that could
Candidate Answer - Cause harm to people
Result - Correct
Q37. 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
Q38. You have a high current device to connect to the vehicle. You should take the power from:
Candidate Answer - The battery
Result - Correct
Q39. 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
Q40. Where is the optimum position of a separate microphone
Candidate Answer - On or near to the front centre interior light cluster
Result - Correct
Q41. 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
Q42. 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
Q43. 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
Q44. 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
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