7290-457 HID

How many lumens per watt does a HID lamp emit?

• 38

• 35

• 74

• 55

What is meant by Noble gas?

• A gas that burns easily

• A gas that does not burn

• Hydrogen

• Oxygen

HID Lamps are 300% brighter than?

• Xenon

• Halide

• Incandescent

• Halogen

What is start up voltage of HID lamp

• 12v

• 85v

• 20v

• 20,000v

What is running voltage of an HID lamp?

• 85v

• 12v

• 24v

• 20,000v

The average service life of an HID is?

• 350 hours

• 3000 hours

• 20,000 hours

• 1000 hours

How many phases does an HID work in?

• one

• two

• three

• four

The three phases are?

• Ignition, Warm up & Normal

• Arc, Ionise & low voltage

• Holding, Release & Increase

• Ignition, Ionise & Arc