ILLUMINATION QUIZ

Which among the following lamps has the maximum burning hours?

Metal halide.

LED.

Incandescent.

Compact Fluorescent.

TRUE ANSWER : ?
YOUR ANSWER : ?

Total flux or lumens required in any lighting scheme depends inversely on

reflection factor.

reduction factor.

utilization factor.

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which lamp has a negative Colour Rendering Index (CRI)?

LED

Low pressure sodium vapour

High pressure sodium vapour

Fluorescent

TRUE ANSWER : ?
YOUR ANSWER : ?

Which cells in the eye are responsible for scotopic vision?

Cone cells

Rod cells

None of these

Both ‘a’ and ‘b’

TRUE ANSWER : ?
YOUR ANSWER : ?

Which lamps can be directly connected to a solar cell?

Compact Fluorescent

Metal Halide

LED

Incandescent

TRUE ANSWER : ?
YOUR ANSWER : ?

The illumination at a point 5 meters below a lamp in 6 lux. The candle power of the lamp is

200.

140.

150.

30

TRUE ANSWER : ?
YOUR ANSWER : ?

Wave length for red colour is around

500 nm.

600 nm.

700 nm.

400 nm.

TRUE ANSWER : ?
YOUR ANSWER : ?

Which lamp is best suited for lighting an International sports arena?

Incandescent

LED

Compact Fluorescent

Metal Halide

TRUE ANSWER : ?
YOUR ANSWER : ?

Which lamp has the best Colour Rendering Index (CRI)?

Fluorescent

Incandescent

High pressure sodium vapour

LED

TRUE ANSWER : ?
YOUR ANSWER : ?

What is the work of a driver in case of an LED?

Both ‘a’ and ‘b’

To convert DC to AC

None of these

To convert AC to DC

TRUE ANSWER : ?
YOUR ANSWER : ?

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