Electricity

Volt is the unity of electric_______

• Power

• Intensity

• Pressure

• Flow

Ampere is the unit of Electric______

• Current power

• Current intensity

• Current pressure

• Current amount

Watt is the unit of electric______

• Intensity

• Power

• Volume

• Pressure

Power can be defined as?

• Watts x Ampere

• Volts x Ampere

• Volts + Ampere

• Volts / Ampere

Luminous flux is?

• The intensity of the light in any direction

• the luminous flux that impinges on a surface

• total luminous power emitted by a light source

• The luminous flux issued in a solid angle

Luminous intensity is?

• The intensity of the light in any direction

• the luminous flux that impinges on a surface

• total luminous power emitted by a light source

• The luminous flux issued in a solid angle

The illuminance is?

• The intensity of the light in any direction

• the luminous flux that impinges on a surface

• total luminous power emitted by a light source

• The luminous flux issued in a solid angle

The maintenance factor for flux calculation depends on?

• Type of flooring
• Color temperature of the light
• Distance from the light source
• Type of lighting and cleanliness.

Luminaries efficiency is the relationship between?

• The distance a luminaire can project light and its lifespan.
• The size of the luminaire and its weight.
• The amount of light produced and the energy consumed.
• The brightness of a luminaire and its color temperature.

Which one is the the correct formula to calculate the luminous flux?

• Fb + Uf + Mf

• (Fb + Uf) x Mf

• (Fb x Uf) / Mf

• (Fb x Uf) x Mf