UPSC Government Jobs Exams

Consider the following which can be found in the ambient atmosphere:
1. Soot
2. Sulphur hexafluoride
3. Water vapour
Which of the above contribute to the warming up of the atmosphere? [UPSC 2010 (CS-P)]

1 and 2 only
3 only
2 and 3 only
1, 2 and 3

Read Solution (Total 1)

3 only
water vapour is produced by boiling the water(boiling-warming up)
8 years agoHelpfull: Yes(0) No(0)

UPSC Other Question

With reference to the treatment of cancerous tumors, a tool called cyber knife has been making the news. In this context, which one of the following statements is not correct? [UPSC 2010 (CS-P)]

It is a robotic image guided system.
It delivers an extremely precise dose of radiation.
It has the capability of achieving sub – millimeter accuracy.
It can map the spread of tumour in the body. Consider the following:
1. Carbon dioxide
2. Oxides of Nitrogen
3. Oxides of Sulphur
Which of the above is/are the emission/emissions from coal combustion at thermal power plants? [UPSC 2011 (CS-P)]

1 only
2 and 3 only
1 and 3 only
1, 2 and 3