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 - 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 - Enable
Result - Incorrect
Q5. The conversion of energy into work over a certain period of time is
Candidate Answer - Power
Result - Correct
Q6. 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
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. An adjustable or variable resistor is known as a
Candidate Answer - Diode
Result - Incorrect
Q10. 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
Q11. 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
Q12. A bad connection or any point of resistance on a circuit will cause a
Candidate Answer - Voltage drop
Result - Correct
Q13. Adding up resistances in a series circuit will give the ________________ resistance
Candidate Answer - Total
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. 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 - After the bulkhead
Result - Incorrect
Q17. What are the main elements of a relay
Candidate Answer - Coil, diode, inductor
Result - Incorrect
Q18. 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
Q19. The process of changing AC current to DC current is known as
Candidate Answer - Rectification
Result - Correct
Q20. Primary batteries can
Candidate Answer - Be recharged approximately 100 times
Result - Incorrect
Q21. What type of cable should NOT be used in a vehicle environment
Candidate Answer - Solid cable
Result - Correct
Q22. Using the wrong cable (too small) size for the type of application could cause the cable to
Candidate Answer - Overheat and melt
Result - Correct
Q23. What is an electrical two- terminal device which allows current to pass through it in one direction only
Candidate Answer - Diode
Result - Correct
Q24. A diode is used to:
Candidate Answer - Protect existing factory wiring systems
Result - Correct
Q25. 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
Q26. Can Bus wires are twisted to help reduce
Candidate Answer - Interference
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. 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. 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. Where is the optimum position for an antenna to obtain the best signal
Candidate Answer - An internal glass mount
Result - Incorrect
Q33. 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
Q34. How much impedance should an ideal antenna cable have?
Candidate Answer - 50 Ohms
Result - Correct
Q35. 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
Q36. Why must an installer abide by the EMC Directive
Candidate Answer - To comply with the law
Result - Correct
Q37. A GPS antenna needs to be installed:
Candidate Answer - With a clear view of the sky
Result - Correct
Q38. A fuse is ideally installed as close to the power as possible
Candidate Answer - To ensure the cable and device are protected.
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 - No, the fuse installed on the device is adequate
Result - Incorrect
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 - No, the manufacturer is responsible
Result - Incorrect
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