Questions

Who Invented Universal Standard Time?

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 thefour 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 tobe 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. Tolower the flame, the valve had to be _________ opened to reduce the pressure and then tightened until the desired flame size was achieved. _________ you wanted theflame to be bigger, you had to hit the piston again. Pump stoves are still in vogue.

would spread _________ a loud noise.

Which of the following animals do NOT belong to the class of reptiles?

Atomic number of which of the following elements is greater than that of Calcium?

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Passive/Active voice.
I would have kept your bicycle here if you had left it with me.

India has stated it aims to reduce the emissions intensity of its GDP by 33-35% by 2030 from 2005 levels and achieve _______________ of its cumulative electric power of around 350GW installed capacity from non-fossil fuel-based energy resources, mainly renewable power. 

Opportunity costs exist because

Who invented Vacuum Flask?