General Science

Q2021.Word processors, Spreadsheets are examples of

Q2022.By which process the sea water can be converted into pure water?

Q2023.Consider the following statements. An ordinary light bulb has a rather short life because the 1. Filament wire is not uniform. 2. Bulb cannot be evacuated completely. 3. Wires supporting the filament melt at high temperatures. Which of the above statements are correct?

Q2024.The basic unit of Excel spreadsheet where we enter data is known as

Q2025.The process used for transforming salty water into pure water is called

Q2026.Consider the following statements. Assertion (A): Lightning conductors prevent buildings from damages in the event of lightning strike. Reason (R): The electric charge conduct to ground through the wire, instead of passing through the structure. Select the correct answer using the codes given below. Code

Q2027.COBOL is

Q2028.By which process, Alum cleans the muddy water?

Q2029.Assertion (A): The temperature of a metal wire rises when an electric current is passed through it. Reason (R): Collision of metal atoms with each other releases heat energy. Code

Q2030.ORACLE is

Q2031.The gas used in the manufacture of Vanaspati Ghee from Vanaspati Oil is

Q2032.Assertion (A): Light Emitting Diode (LED) lamps offer longer service life as compared to Compact Fluorescent Lamps (CFL). Reason (R): Light Emitting Diodes (LED) lamps are more energy efficient as compared to the Compact Fluorescent Lamps (CFL). Select the correct answer using the codes given below. Code

Q2033.Which one of the following is not the language of computer?

Q2034.Consider the following statements. Hard water is not suitable for 1. Drinking 2. Washing clothes with soap 3. Use in boilers 4. Irrigating crops Which of these statements are correct?

Q2035.What is the difference between a CFL and an LED Lamp? 1. To produce light, a CFL uses mercury vapour and phosphor while an LED lamp uses semiconductor material. 2. The average life span of a CFL is much longer than of an LED lamp. 3. A CFL is less energy efficient as compared to an LED lamp. Which of the statements given above is/are correct?

Q2036.Which one of the following is not a language of the computer?

Q2037.What is the approximate percentage of Nitrogen present in the atmosphere?

Q2038.Given below are two statements, one labelled as Assertion (A) and the other labelled as Reason (R). Assertion (A): Transformer is useful for stepping up or stepping down voltages. Reason (R): Transformer is a device used in D.C. circuits. In the context of the above two statements, which one of the following is correct?

Q2039.Which is not a computer language?

Q2040.Which gas is not in the gaseous cycle?