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 measurable relationship between current, voltage, resistance and power is described in
Candidate Answer - Ohm's Law
Result - Correct
Q4. Electrical Resistance is a property a material possesses to __________ the flow of electricity
Candidate Answer - Restrict
Result - Correct
Q5. You have a 55w bulb running a conventional 12v system, what will the current flow be?
Candidate Answer - 4.58 Amps
Result - Correct
Q6. The sum of the individual voltage drops in a series circuit must be ______ the applied voltage
Candidate Answer - equal to
Result - Correct
Q7. A resistor is defined as an electrical component designed to have a resistance against the flow of ___________
Candidate Answer - Electrons
Result - Correct
Q8. 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
Q9. 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
Q10. 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
Q11. A bad connection or any point of resistance on a circuit will cause a
Candidate Answer - Voltage drop
Result - Correct
Q12. Adding up resistances in a series circuit will give the ________________ resistance
Candidate Answer - Total
Result - Correct
Q13. 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
Q14. 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
Q15. A fuse connected in-line at the battery is there to protect
Candidate Answer - The equipment connected
Result - Incorrect
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. 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 - Single pole double throw
Result - Correct
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 - Resistor
Result - Incorrect
Q23. Primary batteries can
Candidate Answer - Deliver electrical energy but cannot be recharged
Result - Correct
Q24. What type of cable should NOT be used in a vehicle environment
Candidate Answer - Solid cable
Result - Correct
Q25. Using the wrong cable (too small) size for the type of application could cause the cable to
Candidate Answer - Overheat and melt
Result - Correct
Q26. What is an electrical two- terminal device which allows current to pass through it in one direction only
Candidate Answer - Diode
Result - Correct
Q27. 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
Q28. It is always advisable to run power and signal leads away from each other. This is to avoid
Candidate Answer - Interference
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. In case of any conflict when complying with installation instructions, which instruction take priority?
Candidate Answer - The vehicle manufacturer
Result - Correct
Q31. What does EMC stand for?
Candidate Answer - Electro Magnetic Compatibility
Result - Correct
Q32. What type of antenna may not be suitable for vehicles with double-glazed screens, reflective coatings or other special glass
Candidate Answer - Glass mount
Result - Correct
Q33. How much impedance should an ideal antenna cable have?
Candidate Answer - 50 Ohms
Result - Correct
Q34. 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
Q35. The power supply cable you install should be
Candidate Answer - Connected and any excess taped up tidily and secured
Result - Incorrect
Q36. A GPS antenna needs to be installed:
Candidate Answer - With a clear view of the sky
Result - Correct
Q37. A risk assessment is a careful examination of aspects of work that could
Candidate Answer - Cause harm to people
Result - Correct
Q38. 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
Q39. 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
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 - Paint the edges with a rust inhibitor
Result - Incorrect
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 - No, the fuse installed on the device is adequate
Result - Incorrect
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 - No, the vehicle owner is responsible
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