railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Utilization of Electrical Energy Illumination
Match the following of vapour/gas with the colour in electric discharge lamp.
| (a) | Mercury Vapour at low pressure | (i) | Yellow |
| (b) | Neon gas | (ii) | Bluish white |
| (c) | Sodium vapour | (iii) | Bright white |
| (d) | Mercury vapour at high pressure | (iv) | Bluish green |
| (v) | Red |
1
(a) - (iii); (b) - (v); (c) - (i); (d) - (iv)
2
(a) - (iv); (b) - (i); (c) - (v); (d) - (iii)
3
(a) - (ii); (b) - (v); (c) - (i); (d) - (iv)
4
(a) - (iv); (b) - (v); (c) - (i); (d) - (ii)