Electrical Measurements Questions and Answers PDF: We are going to cover the questions and answers on the same topic.
ELECTRONIC INSTRUMENTS | Electrical Measurements Questions and Answers PDF
What is the purpose of an oscilloscope?
A) To measure resistance
B) To measure current
C) To measure voltage
D) To measure temperature
Answer: C) To measure voltage
What does a multimeter measure?
A) Voltage, current, and resistance
B) Frequency and wavelength
C) Temperature and pressure
D) Light intensity
Answer: A) Voltage, current, and resistance
What is the primary function of a function generator?
A) To measure resistance
B) To generate electrical signals of various waveforms
C) To measure temperature
D) To amplify signals
Answer: B) To generate electrical signals of various waveforms
Which of the following instruments is used to measure capacitance?
A) Ammeter
B) Voltmeter
C) Capacitance meter
D) Ohmmeter
Answer: C) Capacitance meter
A device used to measure the intensity of light is called:
A) Luxmeter
B) Ammeter
C) Spectrometer
D) Ohmmeter
Answer: A) Luxmeter
What is the function of a spectrum analyzer?
A) To measure the frequency of signals
B) To measure the intensity of light
C) To analyze the frequency spectrum of signals
D) To measure capacitance
Answer: C) To analyze the frequency spectrum of signals
Which instrument is used to measure the level of sound?
A) Spectrometer
B) Oscilloscope
C) Sound level meter
D) Frequency counter
Answer: C) Sound level meter
A device used to measure the flow of electric current in a circuit is called:
A) Thermometer
B) Ammeter
C) Voltmeter
D) Ohmmeter
Answer: B) Ammeter
Which instrument is used to measure the frequency of an electrical signal?
A) Oscilloscope
B) Ammeter
C) Voltmeter
D) Frequency counter
Answer: D) Frequency counter
What is the function of a data logger?
A) To measure temperature only
B) To store and record data over time
C) To measure voltage
D) To generate electrical signals
Answer: B) To store and record data over time
Which instrument is used to measure the resistance of a component?
A) Ammeter
B) Voltmeter
C) Ohmmeter
D) Wattmeter
Answer: C) Ohmmeter
measuring instruments questions and answers pdf
What is the primary function of a pH meter?
A) To measure temperature
B) To measure the acidity or alkalinity of a solution
C) To measure voltage
D) To measure pressure
Answer: B) To measure the acidity or alkalinity of a solution
Which instrument is used to measure the speed of rotation of a shaft?
A) Tachometer
B) Wattmeter
C) Luxmeter
D) Hygrometer
Answer: A) Tachometer
What is the primary purpose of a digital thermometer?
A) To measure resistance
B) To measure frequency
C) To measure temperature
D) To measure voltage
Answer: C) To measure temperature
Which instrument is used to measure the humidity in the air?
A) Thermometer
B) Anemometer
C) Hygrometer
D) Luxmeter
Answer: C) Hygrometer
A device used to measure the strength of an electric field is called:
A) Luxmeter
B) Anemometer
C) Electrometer
D) Tachometer
Answer: C) Electrometer
electrical measurements questions and answers pdf
What is the primary function of a signal generator?
A) To measure resistance
B) To generate electrical signals of specific frequencies
C) To measure temperature
D) To measure voltage
Answer: B) To generate electrical signals of specific frequencies
Which instrument is used to measure the velocity of wind?
A) Hygrometer
B) Luxmeter
C) Anemometer
D) Spectrometer
Answer: C) Anemometer
A device used to measure the magnetic field intensity is called:
A) Spectrometer
B) Ammeter
C) Ohmmeter
D) Gaussmeter
Answer: D) Gaussmeter
What is the primary function of a power analyzer?
A) To measure resistance
B) To analyze the power consumption of electrical devices
C) To measure temperature
D) To measure voltage
Answer: B) To analyze the power consumption of electrical devices
measurement and instrumentation mCQ pdf
What is the primary function of a digital voltmeter?
A) To measure temperature
B) To measure voltage
C) To measure frequency
D) To measure resistance
Answer: B) To measure voltage
Which instrument is used to measure the thickness of a material coating?
A) Spectrometer
B) Thickness gauge
C) Anemometer
D) Thermometer
Answer: B) Thickness gauge
A device used to measure the speed of sound in air is called:
A) Sound level meter
B) Luxmeter
C) Spectrometer
D) Anemometer
Answer: A) Sound level meter
What is the primary function of a gas analyzer?
A) To measure temperature
B) To measure the concentration of gases in a sample
C) To measure voltage
D) To measure pressure
Answer: B) To measure the concentration of gases in a sample
Which instrument is used to measure the rotational speed of a motor?
A) Tachometer
B) Luxmeter
C) Hygrometer
D) Thermometer
Answer: A) Tachometer
A device used to measure the thickness of a wire is called:
A) Thickness gauge
B) Ammeter
C) Voltmeter
D) Ohmmeter
Answer: A) Thickness gauge
What is the primary function of a digital frequency meter?
A) To measure temperature
B) To measure frequency
C) To measure voltage
D) To measure resistance
Answer: B) To measure frequency
Which instrument is used to measure the acceleration of an object?
A) Accelerometer
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Accelerometer
A device used to measure the speed of a rotating object is called:
A) Tachometer
B) Anemometer
C) Luxmeter
D) Hygrometer
Answer: A) Tachometer
What is the primary function of a digital pressure gauge?
A) To measure temperature
B) To measure pressure
C) To measure voltage
D) To measure frequency
Answer: B) To measure pressure
Which instrument is used to measure the strength of a magnetic field?
A) Spectrometer
B) Thermometer
C) Hygrometer
D) Gaussmeter
Answer: D) Gaussmeter
What is the primary function of a digital wattmeter?
A) To measure temperature
B) To measure power consumption
C) To measure pressure
D) To measure light intensity
Answer: B) To measure power consumption
A device used to measure the frequency of electromagnetic waves is called:
A) Oscilloscope
B) Ammeter
C) Frequency counter
D) Tachometer
Answer: C) Frequency counter
Which instrument is used to measure the flow rate of a fluid?
A) Hygrometer
B) Anemometer
C) Flowmeter
D) Thermometer
Answer: C) Flowmeter
What is the primary function of a digital pressure gauge?
A) To measure temperature
B) To measure pressure
C) To measure humidity
D) To measure light intensity
Answer: B) To measure pressure
A device used to measure the electrical conductivity of a solution is called:
A) Spectrometer
B) Anemometer
C) Conductivity meter
D) Hygrometer
Answer: C) Conductivity meter
Which instrument is used to measure the distance between two points?
A) Thermometer
B) Anemometer
C) Micrometer
D) Hygrometer
Answer: C) Micrometer
What is the primary function of a digital pyrometer?
A) To measure temperature
B) To measure pressure
C) To measure humidity
D) To measure light intensity
Answer: A) To measure temperature
Which instrument is used to measure the refractive index of a substance?
A) Spectrometer
B) Refractometer
C) Thermometer
D) Hygrometer
Answer: B) Refractometer
What is the primary function of a digital pH meter?
A) To measure temperature
B) To measure acidity or alkalinity of a solution
C) To measure pressure
D) To measure light intensity
Answer: B) To measure acidity or alkalinity of a solution
Which instrument is used to measure the force exerted by a fluid?
A) Manometer
B) Spectrometer
C) Anemometer
D) Thermometer
Answer: A) Manometer
What is the primary function of a digital anemometer?
A) To measure temperature
B) To measure humidity
C) To measure wind speed
D) To measure pressure
Answer: C) To measure wind speed
A device used to measure the concentration of ions in a solution is called:
A) Spectrometer
B) Conductivity meter
C) Anemometer
D) Thermometer
Answer: B) Conductivity meter
Which instrument is used to measure the level of oxygen in a gas mixture?
A) Oxygen sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Oxygen sensor
What is the primary function of a digital refractometer?
A) To measure temperature
B) To measure refractive index
C) To measure humidity
D) To measure pressure
Answer: B) To measure refractive index
A device used to measure the rate of radioactive decay is called:
A) Spectrometer
B) Dosimeter
C) Geiger counter
D) Hygrometer
Answer: C) Geiger counter
Which instrument is used to measure the intensity of electromagnetic radiation?
A) Spectrometer
B) Dosimeter
C) Thermometer
D) Anemometer
Answer: A) Spectrometer
mechanical measuring instruments mCQ
What is the primary function of a digital densitometer?
A) To measure temperature
B) To measure density
C) To measure humidity
D) To measure pressure
Answer: B) To measure density
A device used to measure the moisture content of soil is called:
A) Soil pH meter
B) Soil conductivity meter
C) Hygrometer
D) Thermometer
Answer: C) Hygrometer
Which instrument is used to measure the level of carbon dioxide in the air?
A) CO2 sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) CO2 sensor
What is the primary function of a digital flowmeter?
A) To measure temperature
B) To measure flow rate
C) To measure humidity
D) To measure pressure
Answer: B) To measure flow rate
A device used to measure the concentration of a specific gas in a mixture is called:
A) Gas sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Gas sensor
Which instrument is used to measure the level of radiation in a specific area?
A) Dosimeter
B) Luxmeter
C) Thermometer
D) Hygrometer
Answer: A) Dosimeter
mechanical measuring instruments mCQ
What is the primary function of a digital turbidity meter?
A) To measure temperature
B) To measure turbidity or cloudiness of a liquid
C) To measure humidity
D) To measure pressure
Answer: B) To measure turbidity or cloudiness of a liquid
A device used to measure the level of dissolved oxygen in water is called:
A) Dissolved oxygen meter
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Dissolved oxygen meter
Which instrument is used to measure the electrical conductivity of a liquid?
A) Conductivity meter
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Conductivity meter
What is the primary function of a digital barometer?
A) To measure temperature
B) To measure barometric pressure
C) To measure humidity
D) To measure light intensity
Answer: B) To measure barometric pressure
A device used to measure the level of carbon monoxide in the air is called:
A) CO2 sensor
B) CO detector
C) Thermometer
D) Hygrometer
Answer: B) CO detector
Which instrument is used to measure the level of nitrogen dioxide in the air?
A) NO2 sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) NO2 sensor
What is the primary function of a digital salinometer?
A) To measure temperature
B) To measure salinity or salt concentration in a solution
C) To measure humidity
D) To measure pressure
Answer: B) To measure salinity or salt concentration in a solution
Which instrument is used to measure the acidity or alkalinity of soil?
A) Soil pH meter
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Soil pH meter
What is the primary function of a digital conductivity meter?
A) To measure temperature
B) To measure electrical conductivity of a solution
C) To measure humidity
D) To measure pressure
Answer: B) To measure electrical conductivity of a solution
A device used to measure the level of particulate matter in the air is called:
A) Particulate matter sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Particulate matter sensor
Which instrument is used to measure the concentration of hydrogen sulfide gas?
A) H2S sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) H2S sensor
What is the primary function of a digital colorimeter?
A) To measure temperature
B) To measure color intensity
C) To measure humidity
D) To measure pressure
Answer: B) To measure color intensity
A device used to measure the level of carbon dioxide in water is called:
A) CO2 sensor
B) CO detector
C) Dissolved carbon dioxide meter
D) Hygrometer
Answer: C) Dissolved carbon dioxide meter
Which instrument is used to measure the level of ozone in the atmosphere?
A) Ozone sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Ozone sensor
What is the primary function of a digital humidity gauge?
A) To measure temperature
B) To measure humidity
C) To measure barometric pressure
D) To measure light intensity
Answer: B) To measure humidity
A device used to measure the level of volatile organic compounds (VOCs) in the air is called:
A) VOC sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) VOC sensor
Which instrument is used to measure the level of methane gas?
A) Methane sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Methane sensor
What is the primary function of a digital moisture meter?
A) To measure temperature
B) To measure moisture content in a material
C) To measure humidity
D) To measure pressure
Answer: B) To measure moisture content in a material
A device used to measure the level of nitrogen oxides (NOx) in the air is called:
A) NOx sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) NOx sensor
Which instrument is used to measure the level of sulfur dioxide (SO2) gas?
A) SO2 sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) SO2 sensor
What is the primary function of a digital turbidity sensor?
A) To measure temperature
B) To measure turbidity or cloudiness of a liquid
C) To measure humidity
D) To measure pressure
Answer: B) To measure turbidity or cloudiness of a liquid
A device used to measure the level of carbon monoxide in water is called:
A) CO sensor
B) CO detector
C) Dissolved carbon monoxide meter
D) Hygrometer
Answer: C) Dissolved carbon monoxide meter
Which instrument is used to measure the level of hydrogen gas?
A) Hydrogen sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Hydrogen sensor
What is the primary function of a digital flame ionization detector?
A) To measure temperature
B) To detect the presence of specific gases by their ionization in a flame
C) To measure humidity
D) To measure pressure
Answer: B) To detect the presence of specific gases by their ionization in a flame
A device used to measure the level of ammonia gas is called:
A) Ammonia sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Ammonia sensor
Which instrument is used to measure the level of hydrogen chloride (HCl) gas?
A) HCl sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) HCl sensor
What is the primary function of a digital dissolved oxygen meter?
A) To measure temperature
B) To measure dissolved oxygen content in water
C) To measure humidity
D) To measure pressure
Answer: B) To measure dissolved oxygen content in water
Which instrument is used to measure the level of hydrogen sulfide (H2S) gas?
A) H2S sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) H2S sensor
What is the primary function of a digital dissolved gas analyzer?
A) To measure temperature
B) To analyze the concentration of dissolved gases in a liquid
C) To measure humidity
D) To measure pressure
Answer: B) To analyze the concentration of dissolved gases in a liquid
A device used to measure the level of carbon dioxide in soil is called:
A) Soil CO2 sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Soil CO2 sensor
Which instrument is used to measure the level of volatile organic compounds (VOCs) in soil?
A) VOC sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) VOC sensor
What is the primary function of a digital gas chromatograph?
A) To measure temperature
B) To separate and analyze the components of a gas mixture
C) To measure humidity
D) To measure pressure
Answer: B) To separate and analyze the components of a gas mixture
A device used to measure the level of radon gas in indoor air is called:
A) Radon sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Radon sensor
Which instrument is used to measure the level of methane gas in soil?
A) Methane sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Methane sensor
What is the primary function of a digital soil moisture sensor?
A) To measure temperature
B) To measure the moisture content in soil
C) To measure humidity
D) To measure pressure
Answer: B) To measure the moisture content in soil
A device used to measure the level of nitrogen gas in soil is called:
A) Nitrogen sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Nitrogen sensor
Which instrument is used to measure the level of carbon monoxide (CO) in soil?
A) CO sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) CO sensor
What is the primary function of a digital radiation detector?
A) To measure temperature
B) To detect and measure ionizing radiation
C) To measure humidity
D) To measure pressure
Answer: B) To detect and measure ionizing radiation
A device used to measure the level of particulate matter in water is called:
A) Particulate matter sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Particulate matter sensor
Which instrument is used to measure the level of sulfur hexafluoride (SF6) gas?
A) SF6 sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) SF6 sensor
What is the primary function of a digital humidity and temperature sensor?
A) To measure temperature only
B) To measure humidity only
C) To measure both humidity and temperature
D) To measure pressure
Answer: C) To measure both humidity and temperature
A device used to measure the level of ozone in water is called:
A) Ozone sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Ozone sensor
Which instrument is used to measure the level of carbon monoxide (CO) in water?
A) CO sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) CO sensor
What is the primary function of a digital moisture and pH meter?
A) To measure moisture content in soil
B) To measure pH of a solution
C) To measure both moisture content and pH
D) To measure pressure
Answer: C) To measure both moisture content and pH
A device used to measure the level of ammonia in water is called:
A) Ammonia sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Ammonia sensor
Which instrument is used to measure the level of hydrogen peroxide (H2O2) in water?
A) H2O2 sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) H2O2 sensor
What is the primary function of a digital conductivity and TDS meter?
A) To measure electrical conductivity of a solution
B) To measure total dissolved solids (TDS) in a solution
C) To measure both electrical conductivity and TDS
D) To measure pressure
Answer: C) To measure both electrical conductivity and TDS
What is the primary function of a digital pH and ORP meter?
A) To measure pH of a solution
B) To measure oxidation-reduction potential (ORP) of a solution
C) To measure both pH and ORP
D) To measure pressure
Answer: C) To measure both pH and ORP
A device used to measure the level of chlorine in water is called:
A) Chlorine sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Chlorine sensor
Which instrument is used to measure the level of dissolved solids in water?
A) TDS meter
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) TDS meter
What is the primary function of a digital dissolved oxygen and temperature meter?
A) To measure dissolved oxygen content in water
B) To measure temperature of a solution
C) To measure both dissolved oxygen content and temperature
D) To measure pressure
Answer: C) To measure both dissolved oxygen content and temperature
A device used to measure the level of fluoride in water is called:
A) Fluoride sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Fluoride sensor
Which instrument is used to measure the level of nitrate in water?
A) Nitrate sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Nitrate sensor
What is the primary function of a digital turbidity and temperature meter?
A) To measure turbidity of a liquid
B) To measure temperature of a solution
C) To measure both turbidity and temperature
D) To measure pressure
Answer: C) To measure both turbidity and temperature
A device used to measure the level of arsenic in water is called:
A) Arsenic sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Arsenic sensor
Which instrument is used to measure the level of lead in water?
A) Lead sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Lead sensor
What is the primary function of a digital conductivity and pH meter?
A) To measure electrical conductivity of a solution
B) To measure pH of a solution
C) To measure both electrical conductivity and pH
D) To measure pressure
Answer: C) To measure both electrical conductivity and pH
What is the primary function of a digital dissolved oxygen and pH meter?
A) To measure dissolved oxygen content in water
B) To measure pH of a solution
C) To measure both dissolved oxygen content and pH
D) To measure pressure
Answer: C) To measure both dissolved oxygen content and pH
A device used to measure the level of copper in water is called:
A) Copper sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Copper sensor
Which instrument is used to measure the level of mercury in water?
A) Mercury sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Mercury sensor
What is the primary function of a digital chlorine and temperature meter?
A) To measure chlorine content in water
B) To measure temperature of a solution
C) To measure both chlorine content and temperature
D) To measure pressure
Answer: C) To measure both chlorine content and temperature
A device used to measure the level of iron in water is called:
A) Iron sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Iron sensor
Which instrument is used to measure the level of manganese in water?
A) Manganese sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Manganese sensor
What is the primary function of a digital hardness and temperature meter?
A) To measure water hardness
B) To measure temperature of a solution
C) To measure both water hardness and temperature
D) To measure pressure
Answer: C) To measure both water hardness and temperature
A device used to measure the level of aluminum in water is called:
A) Aluminum sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Aluminum sensor
Which instrument is used to measure the level of zinc in water?
A) Zinc sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Zinc sensor
What is the primary function of a digital phosphate and temperature meter?
A) To measure phosphate content in water
B) To measure temperature of a solution
C) To measure both phosphate content and temperature
D) To measure pressure
Answer: C) To measure both phosphate content and temperature
What is the primary function of a digital pH and conductivity meter?
A) To measure pH of a solution
B) To measure electrical conductivity of a solution
C) To measure both pH and conductivity
D) To measure pressure
Answer: C) To measure both pH and conductivity
A device used to measure the level of arsenic in water is called:
A) Arsenic sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Arsenic sensor
measurement and instrumentation gate questions with answers pdf
Which instrument is used to measure the level of barium in water?
A) Barium sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Barium sensor
What is the primary function of a digital turbidity and dissolved oxygen meter?
A) To measure turbidity of a liquid
B) To measure dissolved oxygen content in water
C) To measure both turbidity and dissolved oxygen content
D) To measure pressure
Answer: C) To measure both turbidity and dissolved oxygen content
measurement and instrumentation questions and answers pdf
A device used to measure the level of copper in soil is called:
A) Copper sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Copper sensor
Which instrument is used to measure the level of lead in soil?
A) Lead sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Lead sensor
What is the primary function of a digital nitrate and phosphate meter?
A) To measure nitrate content in water
B) To measure phosphate content in water
C) To measure both nitrate and phosphate content
D) To measure pressure
Answer: C) To measure both nitrate and phosphate content
A device used to measure the level of zinc in soil is called:
A) Zinc sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Zinc sensor
Which instrument is used to measure the level of chromium in soil?
A) Chromium sensor
B) Spectrometer
C) Thermometer
D) Hygrometer
Answer: A) Chromium sensor
What is the primary function of a digital conductivity and temperature meter?
A) To measure electrical conductivity of a solution
B) To measure temperature of a solution
C) To measure both electrical conductivity and temperature
D) To measure pressure
Answer: C) To measure both electrical conductivity and temperature
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