2 questions across 1 question group — pick any mix to generate a GENERAL KNOWLEDGE paper with step-by-step answer keys.
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
| Column 'A' | Column 'B' |
| $1.$ Rain gauge | $A.$ Used in aircraft for measuring altitude. |
| $2.$ Barometer | $B.$ Used for measuring the amount of rain falling on a given surface. |
| $3. $ Lactometer | $C.$ Used for measuring the purity of milk. |
| $4.$ Galvanometer | $D.$ Used for measuring atmospheric pressure. |
| $5.$ Altimeter | $E.$ Used for measuring electric current. |
| Column 'A' | Column 'B' |
| $1.$ Hydrometer | $A.$ Used on ships to measure very accurate time. |
| $2.$ Hygrometer | $B. $ Used for measuring the amount of moisture in the air. |
| $3.$ Thermometer | $C.$ Used for measuring the temperature of the human body. |
| $4.$ Speedometer | $D.$ Used for measuring the specific gravity of liquids. |
| $5.$ Chronometer | $E.$ Used for measuring the speed of vehicles. |
Pick question groups from the list above, set marks and difficulty, and export a branded PDF with step-by-step answer keys. First 3 chapters free — no signup.