Q46. Direct Current is a the flow of ___________, which travel in one direction only
Candidate Answer - Electrons
Result - Correct
Q47. The Electrical Pressure that moves charged particles in a circuit is measured in
Candidate Answer - Reutogens
Result - Incorrect
Q48. The conversion of energy into work over a certain period of time is
Candidate Answer - Power
Result - Correct
Q49. The conversion of electrical energy into another form of work is measured in
Candidate Answer - Watts
Result - Correct
Q50. You have a 55w bulb running a conventional 12v system, what will the current flow be?
Candidate Answer - 7.96 Amps
Result - Incorrect
Q51. The sum of the individual voltage drops in a series circuit must be ______ the applied voltage
Candidate Answer - equal to
Result - Correct
Q52. 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
Q53. An adjustable or variable resistor is known as a
Candidate Answer - Potentiometer
Result - Correct
Q54. A device that 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
Q55. A bad connection or any point of resistance on a circuit will cause a
Candidate Answer - Voltage drop
Result - Correct
Q56. Adding up resistances in a series circuit will give the ________________ resistance
Candidate Answer - Total
Result - Correct
Q57. 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
Q58. 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 - Before the bulkhead
Result - Correct
Q59. No current can flow in an
Candidate Answer - open circuit
Result - Correct
Q60. An electromechanical device that uses a coil (electro) to move switch contacts (mechanical) is known as a
Candidate Answer - Relay
Result - Correct
Q61. What are the main elements of a relay
Candidate Answer - Coil, spring, contacts
Result - Incorrect
Q62. 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
Q63. 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
Q64. Primary batteries can
Candidate Answer - Deliver electrical energy but cannot be recharged
Result - Correct
Q65. The main battery on a vehicle is normally a lead-acid compound and can be recharged.It is known as a
Candidate Answer - Secondary battery
Result - Correct
Q66. What is an electrical two- terminal device which allows current to pass through it in one direction only
Candidate Answer - Diode
Result - Correct
Q67. A diode is used to:
Candidate Answer - Protect existing factory wiring systems
Result - Correct
Q68. 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
Q69. A professional installation is not just about the quality of your work. It also includes
Candidate Answer - Your preparedness and professionalism
Result - Correct
Q70. 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
Q71. It is always advisable to run power and signal leads away from each other. This is to avoid
Candidate Answer - Interference
Result - Correct
Q72. 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
Q73. In case of any conflict when complying with installation instructions, which instruction take priority?
Candidate Answer - The vehicle manufacturer
Result - Correct
Q74. What does EMC stand for?
Candidate Answer - Electromagnetic Compatibility
Result - Correct
Q75. Where is the optimum position for an antenna to obtain the best signal
Candidate Answer - Roof of the vehicle
Result - Correct
Q76. 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
Q77. 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
Q78. A GPS antenna needs to be installed:
Candidate Answer - With a clear view of the sky
Result - Correct
Q79. A risk assessment is a careful examination of aspects of work that could
Candidate Answer - Cause harm to people
Result - Correct
Q80. 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
Q81. 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
Q82. A fuse is ideally installed as close to the power as possible
Candidate Answer - To ensure the cable and device are protected.
Result - Correct
Q83. You have a high current device to connect to the vehicle. You should take the power from:
Candidate Answer - The battery
Result - Correct
Q84. Where is the optimum position of a separate microphone
Candidate Answer - On or near to the front centre interior light cluster
Result - Correct
Q85. 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
Q86. 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
Q87. 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
Q88. 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 - Incorrect
Q89. What must the the business provide to the technician before any work is carried out on a vehicle?
Candidate Answer - A Risk Assessment document
Result - Correct
Q90. When installing equipment into police vehicles, guidance is available from FCS1362 and from the Code of Practice from which organisation?
Candidate Answer - NAPFM
Result - Correct