UPSC Prelims 2016 GS Paper I · Q78 of 100 Environment & Ecology easy

On which of the following can you find the Bureau of Energy Efficiency Star Label? 1. Ceiling fans 2. Electric geysers 3. Tubular fluorescent lamps Select the correct answer using the code given below.

  1. (a) 1 and 2 only
  2. (b) 3 only
  3. (c) 2 and 3 only
  4. (d) 1, 2 and 3 ✓ UPSC's answer

Why the answer is (d)

• The Bureau of Energy Efficiency's Standards & Labelling programme (2006) rates appliances from 1 to 5 stars by energy efficiency.

• Star labels are mandatory for room ACs, frost-free refrigerators, tubular fluorescent lamps (3), distribution transformers, ceiling fans (1, mandatory from 2023) and electric storage water heaters/geysers (2, mandatory from 2020), among others; LED lamps and TVs are also covered.

• All three listed items carry the label.

• Hence 1, 2 and 3, option (d).

Why the other options are wrong

(a) 1 and 2 only
Tubular fluorescent lamps also carry the label.
(b) 3 only
Fans and geysers also carry the label.
(c) 2 and 3 only
Ceiling fans also carry the label.

Asked in the GS Paper I of the UPSC Civil Services Preliminary Examination 2016, held on 7 August 2016. Question and answer key: Union Public Service Commission. Explanation: UPSC Answer Check.

Reading the answer is not the same as getting it right under a clock. Practise this question with UPSC's negative marking, and anything you miss goes into an error notebook until you get it right twice.

Practise this paper free