This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Units Devices Dimensions And Measurements – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Units Devices Dimensions And Measurements Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The SI unit of "pressure" is A) Pascal. B) Joule. C) Dyne. D) Kg. Show Answer Correct Answer: A) Pascal. 2. Which instrument is used to determine rotational speed of a shaft (used in aeroplanes and motor boats)? A) Tangent Galvanometer. B) Tachometer. C) Streoscope. D) Stroboscope. Show Answer Correct Answer: B) Tachometer. 3. Which instrument is used to measure frequency of electromagnetic waves? A) Pyrometer. B) Nephetometer. C) Ondometer. D) Ohmmeter. Show Answer Correct Answer: C) Ondometer. 4. Newton is used to measure A) Area. B) Force. C) Volume. D) Speed. Show Answer Correct Answer: B) Force. 5. One Astronomical unit is the average distance between A) Mars and the Sun. B) Earth and the Sun. C) Jupiter and the Sun. D) Earth and the Moon. Show Answer Correct Answer: B) Earth and the Sun. 6. Which instrument is used to view rapidly moving objects? A) Tachometer. B) Streoscope. C) Stroboscope. D) Tangent Galvanometer. Show Answer Correct Answer: C) Stroboscope. 7. What is unit of Astronomical distance? A) Weber. B) Angstrom. C) Light year. D) Lux. Show Answer Correct Answer: C) Light year. 8. Which instrument is used to measures force and velocity of wind and directions? A) Anemometer. B) Audiometer. C) Altimeter. D) Ammeter. Show Answer Correct Answer: A) Anemometer. 9. Radian is used to measure A) Solid Angle. B) Angle. C) Temperature. D) Intensity of flame. Show Answer Correct Answer: B) Angle. 10. Which instrument is used to determine the speed of an aircraft in terms of speed of sound? A) Machmeter. B) Manometer. C) Magnetometer. D) Micrometer. Show Answer Correct Answer: A) Machmeter. 11. Which instrument is used to determine salinity of solutions? A) Radio micrometer. B) Refractometer. C) Radar. D) Salinometer. Show Answer Correct Answer: D) Salinometer. 12. What is unit of Electric Resistance? A) Farad. B) Ohm. C) Henry. D) Volt. Show Answer Correct Answer: B) Ohm. 13. A thermostat is a device for A) Measuring temperature. B) Regulating temperature. C) Switching off an electrical appliance. D) Producing Heat. Show Answer Correct Answer: B) Regulating temperature. 14. The damage of the human body due to radiation (X-rays or $\gamma$-rays etc,) is measured in A) Roentgen. B) Rems. C) Curie. D) Rads. Show Answer Correct Answer: D) Rads. 15. Which instrument is used to detect the direction and speed of an object by means of radiowaves? A) Refractometer. B) Radio micrometer. C) Radar. D) Salinometer. Show Answer Correct Answer: C) Radar. 16. Which instrument is used to measure pressure of gases? A) Micrometer. B) Machmeter. C) Machmeter. D) Magnetometer. Show Answer Correct Answer: B) Machmeter. 17. Which instrument is used in submarine to see the objects above sea level? A) Pykometer. B) Periscope. C) Photometer. D) Polygraph. Show Answer Correct Answer: B) Periscope. 18. What is unit of Specific Heat capacity? A) Coulomb. B) Watt per meter per degree celcius. C) Joule per kilogram per Kelvin. D) Newton second per square meter. Show Answer Correct Answer: C) Joule per kilogram per Kelvin. 19. What is used to measure wave length? A) Angstrom. B) Weber. C) Lux. D) Light year. Show Answer Correct Answer: A) Angstrom. 20. What is unit of Electrical Capacity? A) Ohm. B) Henry. C) Volt. D) Farad. Show Answer Correct Answer: D) Farad. 21. Which instrument is used to measures magnetic flux? A) Endoscope. B) Fathometer. C) Galvanometer. D) Fluxmeter. Show Answer Correct Answer: D) Fluxmeter. 22. Name of the instrument to measure atomspheric pressure? A) Callipers. B) Bolometer. C) Barograph. D) Barometer. Show Answer Correct Answer: C) Barograph. 23. Which instrument is used to measure very high temperature? A) Ondometer. B) Nephetometer. C) Ohmmeter. D) Pyrometer. Show Answer Correct Answer: D) Pyrometer. 24. Name of the instrument is used to measure heat radiation? A) Callipers. B) Bolometer. C) Barometer. D) Barograph. Show Answer Correct Answer: B) Bolometer. 25. Kilogram meter per second is unit of A) Momentum. B) Angle Velocity. C) Moment of Inertia. D) Frequency. Show Answer Correct Answer: A) Momentum. 26. Which instrument is used to view two dimensional pictures? A) Streoscope. B) Tangent Galvanometer. C) Tachometer. D) Stroboscope. Show Answer Correct Answer: A) Streoscope. 27. Which instrument is used to receive a signal and transmit a reply immediately? A) Transponder. B) Thermostat. C) Telemeter. D) Tonometer. Show Answer Correct Answer: A) Transponder. 28. Noise is measured in which units? A) NTU. B) Joule. C) Decibels(dB). D) PPB. Show Answer Correct Answer: C) Decibels(dB). 29. Unit of Pressure is A) Pascal. B) Newton second. C) Watt. D) Newton per meter. Show Answer Correct Answer: A) Pascal. 30. Which instrument is used to convert sound waves into electrical vibrations? A) Manometer. B) Micrometer. C) Machmeter. D) Magnetometer. Show Answer Correct Answer: B) Micrometer. 31. Thickness of the Ozone layer is measured in which units? A) DB. B) DU. C) PPB. D) PPM. Show Answer Correct Answer: B) DU. 32. The equivalent of one Dobson unit is A) 0.1 m. B) 0.01 mm. C) 0.1 mm. D) 0.01 m. Show Answer Correct Answer: B) 0.01 mm. 33. What is unit of Work and Energy? A) Kilogram. B) Meter. C) Joule. D) Amphere. Show Answer Correct Answer: C) Joule. 34. Which instrument is used to measure the position of spectral lines? A) Sextant. B) Spectroscope. C) Spherometer. D) Spectrometer. Show Answer Correct Answer: D) Spectrometer. 35. Which instrument is used to compare magnetic movements and fields? A) Manometer. B) Micrometer. C) Machmeter. D) Magnetometer. Show Answer Correct Answer: D) Magnetometer. 36. Which instrument is used to determine heights? A) Cathetometer. B) Colorimeter. C) Chronometer. D) Commutator. Show Answer Correct Answer: A) Cathetometer. 37. Which instrument is used to measure intensity of sound? A) Anemometer. B) Altimeter. C) Audiometer. D) Ammeter. Show Answer Correct Answer: C) Audiometer. 38. Which instrument is used to measure refractive indices? A) Radar. B) Salinometer. C) Radio micrometer. D) Refractometer. Show Answer Correct Answer: D) Refractometer. 39. Which instrument is used to measure depth of ocean? A) Galvanometer. B) Fluxmeter. C) Endoscope. D) Fathometer. Show Answer Correct Answer: D) Fathometer. 40. Which instrument is used to measure altitudes in aircraft's? A) Anemometer. B) Ammeter. C) Audiometer. D) Altimeter. Show Answer Correct Answer: D) Altimeter. 41. Which instrument is used to measure electrical resistance in ohms? A) Nephetometer. B) Ohmmeter. C) Pyrometer. D) Ondometer. Show Answer Correct Answer: B) Ohmmeter. 42. Which instrument is used to measure level of humidity? A) Hydrophone. B) Hygroscope. C) Hygrometer. D) Hypsometer. Show Answer Correct Answer: C) Hygrometer. 43. Which instrument is used to record changes in heartbeat, blood-pressure and respiration A) Pykometer. B) Polygraph. C) Photometer. D) Periscope. Show Answer Correct Answer: B) Polygraph. 44. Radian per second is unit of A) Moment of Inertia. B) Angle Velocity. C) Frequency. D) Momentum. Show Answer Correct Answer: B) Angle Velocity. 45. Which instrument is used to determine the density and coefficient of expansion of liquids? A) Photometer. B) Pykometer. C) Periscope. D) Polygraph. Show Answer Correct Answer: B) Pykometer. 46. Which instrument is used to detect the presence of an electric charge? A) Cyclotron. B) Dyanamo. C) Electroscope. D) Dilatometer. Show Answer Correct Answer: C) Electroscope. 47. Candela is used to measure A) Temperature. B) Intensity of flame. C) Angle. D) Solid Angle. Show Answer Correct Answer: B) Intensity of flame. 48. Which instrument is used to compare luminous intensity of the source of light? A) Photometer. B) Pykometer. C) Periscope. D) Polygraph. Show Answer Correct Answer: A) Photometer. 49. Which instrument is used to measure the pitch of a sound? A) Telemeter. B) Transponder. C) Thermostat. D) Tonometer. Show Answer Correct Answer: D) Tonometer. 50. Which instrument is used to measure heat radiation? A) Radio micrometer. B) Salinometer. C) Radar. D) Refractometer. Show Answer Correct Answer: A) Radio micrometer. 51. Which instrument is used to record physical happenings at a distant place? A) Telemeter. B) Tonometer. C) Transponder. D) Thermostat. Show Answer Correct Answer: A) Telemeter. 52. Which instrument is used shows the changes in atmospheric humidity? A) Hygroscope. B) Hydrophone. C) Hypsometer. D) Hygrometer. Show Answer Correct Answer: A) Hygroscope. 53. The SI unit of "force" is A) Newton. B) Kg. C) Dyne. D) Joule. Show Answer Correct Answer: A) Newton. 54. Which instrument is used to measure electric potential difference between two points? A) Voltmeter. B) Wattmeter. C) Viscometer. D) Wavemeter. Show Answer Correct Answer: A) Voltmeter. 55. Device used to measure potential difference between two points in a circuit is? A) Voltmeter. B) Ammeter. C) Galvanometer. D) None of above. Show Answer Correct Answer: A) Voltmeter. 56. Which instrument is used to measure strength of direct current? A) Stroboscope. B) Tangent Galvanometer. C) Tachometer. D) Streoscope. Show Answer Correct Answer: B) Tangent Galvanometer. 57. Unit of Surface Tension A) Newton per meter. B) Watt. C) Pascal. D) Newton second. Show Answer Correct Answer: A) Newton per meter. 58. Atmospheric pressure is measured with a A) Hydrometer. B) Altimeter. C) Barometer. D) Hygrometer. Show Answer Correct Answer: C) Barometer. 59. Which instrument is used to measure sound under water? A) Hypsometer. B) Hygroscope. C) Hydrophone. D) Hygrometer. Show Answer Correct Answer: C) Hydrophone. 60. What are audible sound waves? A) Having frequency less than 20 Hz. B) Having frequency more than 20000 Hz. C) Having frequency between 20 Hz to 20000 Hz. D) None of above. Show Answer Correct Answer: C) Having frequency between 20 Hz to 20000 Hz. Next →Related QuizzesScience QuizzesGeneral Knowledge QuizzesUnits Devices Dimensions And Measurements Quiz 2Big Bang Theory QuizEarth Science QuizEcology QuizEnergy Energy Resources QuizEnvironmental Sciences Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books