Scientific Instruments Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.
16. Which device converts electrical energy into sound energy
(a) Generator
(b) Steam Engine
(c) Electrical Motor
(d) Loudspeaker
17. Which instrument is used for determining speeds of aeroplanes and motor boats
(a) Tachometer
(b) Telescope
(c) Thermocouple
(d) Theodolite
18. Name the apparatus which is used to guide the sailors
(a) Vanomete
(b) Magnetometer
(c) Mariner’s Compass
(d) Microphone
19. Which instrument is used to measure the currents of small magnitude
(a) Fathometer
(b) Galvanometer
(c) Gramophone
(d) Gravimeter
20. Which instrument is used to measure the high temperatures
(a) Potentiometer
(b) Pipette
(c) Psychrometer
(d) Pyrometer
21. Which an apparatus is used for observing distant objects
(a) Tachometer
(b) Telescope
(c) Thermocouple
(d) Theodolite
22. The measurement of rainfall is made by
(a) Radiometer
(b) Ombrometer
(c) Refractometer
(d) Rain gauge
23. Which instrument is used to measure the gas pressure
(a) Manometer
(b) Magnetometer
(c) Barometer
(d) Microphone
24. Which instrument is used to measure atmospheric pressure
(a) Barometer
(b) Eratosthenes
(c) Thermostat
(d) Micrometer
25. Which instrument is used for measuring the specific gravity of liquids
(a) Hygrometer
(b) Hydrophone
(c) Hydrometer
(d) Horoscope
26. Which instrument is used to measure the minute distances
(a) Microphone
(b) Microscope
(c) Micro tome
(d) Micrometer
27. Which apparatus is used for measuring the purity of milk
(a) Kymograph
(b) Lactometer
(c) Kaleidoscopes
(d) Mohs scale
28. Which device converts mechanical energy into electrical energy
(a) Generator
(b) Steam engine
(c) Electrical Motor
(d) Loudspeaker
29. Which technique of recording and interpreting the electrical activity of the brain is used
(a) Electro Magneto graph
(b) Electroencephalogram
(c) Electroencephalograph
(d) None of the above
30. Which instrument is used for measuring humidity of air (atmosphere).
(a) Hygrometer
(b) Hydrophone
(c) Hydrometer
(d) Heliscope
31. Which apparatus is used for measuring temperature
(a) Thermocouple
(b) Thermostat
(c) Thermometer
(d) Viscometer
