Questions

If demand curve for roller skates is D = 23000 - 19P and supply curve is S = 18000 + 6P, find the equilibrium Price?

Which of the following fuel has maximum calorific value?

The chemical weathering of feldspar produces

Read each sentence to find out whether there is any error in any underlined part and indicate your response in the Answer Sheet against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).

Which one of the following is not a non-conventional source of energy?

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

When the kerosene burned, the fuel in the tank below would be __________ pressure, and __________a small circular flame would appear in the burner.The valve had to be opened to let more kerosene vapour to the burner and pumping resumed. With the increase in pressure, the burner flame would spread _________ a loud noise. To lower the flame,the valve had to be _________ opened to reduce the pressure and then tightened until the desired flame size was achieved. _________ you wanted the flame to be bigger, you had to hit the piston again. Pump stoves are still in vogue.

had to be _________ opened to reduce

If water smells bad, then that odour can be removed by adding

In 2004, NASA launched the Messenger Spacecraft to study ___.