7290-457 Lighting L3

What does HID stand for?

• Hot Inside Doide

• High Intensity Diodes

• High Intensity Discharge

• Half In Diameter

What unique failsafe do Xenon lamps produce?

• They have a main beam warning lamp

• They have a lamp inoperative lamp

• They use an ECU

• They flicker before failing

What other equipment is required with HID lamps?

• Headlamp wash

• Automatic lights on

• Driveway lighting

• self cancelling main beam

What is expected flash rate of indicators?

• 60-120 fpm

• 180-240 fpm

• <60 fpm

• >120 fpm

An electronic type flasher unit contains a bi-metal strip?

• True

• False

Hazards light switch must not?

• Be within easy reach of driver

• Contain International warning triangle

• Operate only with ignition off

• Operate only with ignition on

In a HID lamp when the metallic salts vaporise, what happens?

• The resistance between electrodes falls

• The resistance between the electrodes increases

• The temperature drops quickly

• 12v start up relay switches on.

When we change a chemical substance by adding or removing charged particles it is known as?

• Iodine

• Nuclear

• Atomise

• Ionise

Which noble gas is used in a HID lamp?

• Halogen

• Helium

• Xenon

• Hydrogen

What is a Noble Gas?

• It is a gas which is insulated

• It does not burn

• It can be pressurised

• It is a good conductor