A reactor having a salvage value of Rs. 10000 is estimated to have a service life of 10 years. The annual interest rate is 10%. The original cost of the reactor was Rs. 80000. The book value of the reactor after 5 years using sinking fund depreciation method will be Rs ________?

Machinability of hard alloys and tool steels is improved by________?

Which of the following gaseous fuels is likely to have the highest gross calorific value?

With the increase of temperature, the Col-burn jH factor________?

The number of degrees of freedom for an azeotropic mixture in a two component vapourliquid equilibria is/are________?

Which of the following is a single stage, fixed bed high pressure coal gasification process?