QUIZ: Insights Current Affairs Quiz – 15

Consider the following statements about coal-fired power plants:

1. Their current average global efficiency rate is about 33%
2. Supercritical and Ultra-supercritical technology driven coal combustion systems operate at relatively higher temperatures and pressures than conventional ones

Which of the above statements are true? Select the correct answer using the codes given below:

Which of the following processes of ‘Clean Coal Technology’ is/are correct?

1. Coal washing removes unwanted minerals by mixing crushed coal with a liquid and allowing the impurities to separate and settle
2. Wet scrubbers remove sulfur dioxide by spraying flue gas with limestone and water
3. Gasification, which produces syngas, avoids burning coal altogether

Select the correct answer using the codes given below:

With reference to the ‘Internet Corporation for Assigned Names and Numbers’ (ICANN), which of the following statements are true?

1. It is a non-profit organization
2. It has responsibility for Internet Protocol (IP) address space allocation
3. Functions that were earlier performed by Internet Assigned Numbers Authority (IANA) under United States Government are now in ICANN’s domain

Select the correct answer from the codes given below:

What is an ‘Ultra Marathon’?

The state of Uttarkhand recently observed ‘Himalaya Diwas’. What is this day’s significance?