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 - Allow
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 - Kirchhoff law
Result - Correct
Q10. A resistor is defined as an electrical component designed to have a resistance against the flow of ___________
Candidate Answer - Electrons
Result - Correct
Q11. When circuit elements are connected so that two terminals are shared and voltage is common across the shared terminals this is called
Candidate Answer - Closed
Result - Incorrect
Q12. An adjustable or variable resistor is known as a
Candidate Answer - Capacitor
Result - Incorrect
Q13. 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 - Diode
Result - Incorrect
Q14. 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
Q15. Adding up resistances in a series circuit will give the ________________ resistance
Candidate Answer - Total
Result - Correct
Q16. 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
Q17. A fuse connected in-line at the battery is there to protect
Candidate Answer - The wire and equipment connected
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. What are the main elements of a relay
Candidate Answer - Coil, diode, inductor
Result - Incorrect
Q20. 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
Q21. 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
Q22. Primary batteries can
Candidate Answer - Recharged by passing a direct current in the opposite direction of discharge
Result - Incorrect
Q23. What type of cable should NOT be used in a vehicle environment
Candidate Answer - Solid cable
Result - Correct
Q24. What is an electrical two- terminal device which allows current to pass through it in one direction only
Candidate Answer - Diode
Result - Correct
Q25. 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
Q26. 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
Q27. Can Bus wires are twisted to help reduce
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 - Glass mount
Result - Correct
Q32. How much impedance should an ideal antenna cable have?
Candidate Answer - 25 Kohm
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 - Connected and any excess taped up tidily and secured
Result - Incorrect
Q35. The main benefit of using an antenna analyser on an airwave device is:
Candidate Answer - To check that the connections to the radio are acceptable
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. Is it acceptable to install a transceiver or any other device in the load storage area of a vehicle
Candidate Answer - No
Result - Incorrect
Q39. A fuse is ideally installed as close to the power as possible
Candidate Answer - To ensure the cable and device are protected.
Result - Correct
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. 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 - No, if the device has an internal fuse
Result - Incorrect
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 - Reboot the GPS device and check the signal is above 150 ohms
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