Drawing and Lighting EII

In reading a typical lighting layout, what is the most important thing to understand?

• The symbols.
• The equipment’s.
• The circuits.
• The scale.

Which of these are NOT schematic diagram?

• Circuit diagram.
• Wiring diagram.
• Single line diagram
• Pictorial diagram.

Which drawings show the location of the equipment & wiring runs?

• Pictorial diagram.
• Schematic diagram.
• Single line diagram.
• Electrical Plan.

What is the other name for low pressure mercury vapor lamps?

• MBF.
• MBI.
• SOX.
• Fluorescent lamp.

This drawing is useful in tracing wires during troubleshoot. This drawing is …

• Circuit diagram.
• Wiring diagram.
• Single line diagram
• Pictorial diagram.

What mixture of gases in filament bulb to withstand temperature up to 2500 degree Celsius?

• Mercury and Argon.
• Mercury and Nitrogen.
• Nitrogen and Argon.
• Nitrogen and Phosphor.

In a Halogen Tungsten incandescent lamp, bromine or iodine function is to …

• Assit the evaporated material back to tungsten.
• Assit the lamp to become brighter.
• Assit in evaporation of gas into surroundings.
• Assist in reducing high temperature of bulb.

What is TRUE about high pressure mercury vapor lamp

• If lamp is broken, dangerous radiation may emit from it.
• If supply cut-off, lamp can restrike in 6 minutes.
• Lamp can reach full brightness at 15 minutes.
• The light colour becomes yellowish at full operation.

The symbol of “E” inside a triangle means….

• Lamps served with Internal Igniter.
• Lamps served with External Igniter.
• Lamps served with Power capacitors.
• Lamps served with External ballast.

In a high pressure sodium lamp, Na gas is contained in …

• Arc tube.
• Glass envelope.
• Electrode.
• Phosphor casing.