MCQ Type Exam Semester II – Energy Measurement and Control Instruments

What is the SI unit of energy?
A) Joule
B) Watt
C) Ohm
D) Volt
Answer: A) Joule

Which type of energy measurement is used for electrical appliances?
A) Voltage
B) Current
C) Power
D) Resistance
Answer: C) Power

Which instrument is used to measure electrical energy consumption in homes?
A) Ammeter
B) Voltmeter
C) Wattmeter
D) Ohmmeter
Answer: C) Wattmeter

In the context of energy measurement, what does kWh stand for?
A) Kilowatt-hour
B) Kilohertz
C) Kelvin-hour
D) Kilometer-hour
Answer: A) Kilowatt-hour

What is the primary unit for expressing the energy content of food?
A) Calorie
B) Kilowatt-hour
C) Joule
D) Newton-meter
Answer: A) Calorie

Which energy source is most commonly measured in British Thermal Units (BTUs)?
A) Wind energy
B) Solar energy
C) Fossil fuels
D) Nuclear energy
Answer: C) Fossil fuels

In the International System of Units (SI), what is the unit of power?
A) Watt
B) Joule
C) Calorie
D) Volt
Answer: A) Watt

Which instrument measures the heat energy in a substance?
A) Barometer
B) Hydrometer
C) Thermometer
D) Pyrometer
Answer: D) Pyrometer

What is the energy equivalent of 1 electronvolt (eV) in joules?
A) 1.6 x 10^-19 J
B) 1.6 x 10^-6 J
C) 1.6 x 10^-10 J
D) 1.6 x 10^-13 J
Answer: A) 1.6 x 10^-19 J

Which type of energy measurement is used to rate the efficiency of a machine or engine?
A) Potential energy
B) Kinetic energy
C) Mechanical energy
D) Thermal efficiency
Answer: D) Thermal efficiency

What is the energy measurement unit used to describe the energy required to raise the temperature of 1 gram of water by 1 degree Celsius?
A) Watt-hour
B) Calorie
C) Joule
D) BTU
Answer: B) Calorie

What unit is commonly used to measure the energy content of gasoline and other liquid fuels?
A) Calorie
B) Joule
C) Gallon
D) Liter
Answer: B) Joule

Which energy source is measured in “tons of oil equivalent” (TOE)?
A) Hydroelectric power
B) Natural gas
C) Solar energy
D) Geothermal energy
Answer: B) Natural gas

What is the unit of energy commonly used to describe the energy content of food on nutrition labels?
A) Kilowatt-hour
B) Calorie
C) Joule
D) Newton-meter
Answer: B) Calorie

Which energy measurement unit is commonly used in the context of the energy efficiency of lighting?
A) Lumens
B) Watts
C) Hertz
D) Lux
Answer: B) Watts

What is the unit of energy used to measure the energy content of food for international labeling purposes?
A) Calorie
B) Joule
C) Kilowatt-hour
D) BTU
Answer: A) Calorie

Which instrument is used to measure the energy produced by a solar panel?
A) Anemometer
B) Pyranometer
C) Hydrometer
D) Barometer
Answer: B) Pyranometer

In nuclear physics, what is the unit used to measure the energy released in nuclear reactions?
A) Electronvolt
B) Watt-hour
C) Gigawatt
D) Joule
Answer: A) Electronvolt

What is the energy measurement unit used to describe the energy produced by a wind turbine?
A) Kilowatt-hour
B) Kilometer-hour
C) Newton-meter
D) Watt
Answer: A) Kilowatt-hour

Which energy measurement unit is used to quantify the energy content of natural gas?
A) Calorie
B) Kilowatt-hour
C) Joule
D) BTU
Answer: D) BTU

What unit is commonly used to measure the energy consumption of electrical appliances over time?
A) Volt
B) Ampere
C) Watt-hour
D) Ohm
Answer: C) Watt-hour

Which energy measurement unit is used to quantify the energy content of coal?
A) Gigawatt
B) Kilowatt-hour
C) Joule
D) BTU
Answer: D) BTU

In the context of electricity, what does “AC” stand for?
A) Alternating Current
B) Amperes per Coulomb
C) Acceleration Control
D) Atomic Clock
Answer: A) Alternating Current

What is the SI unit for electrical resistance?
A) Volt
B) Watt
C) Ampere
D) Ohm
Answer: D) Ohm

Which instrument is used to measure the electric current flowing in a circuit?
A) Voltmeter
B) Ammeter
C) Wattmeter
D) Ohmmeter
Answer: B) Ammeter

What unit is used to measure the potential difference in an electric circuit?
A) Ampere
B) Ohm
C) Volt
D) Watt
Answer: C) Volt

What is the energy measurement unit used to describe the energy output of a nuclear power plant?
A) Kilowatt-hour
B) Megawatt
C) Gigawatt
D) Terawatt
Answer: B) Megawatt

In the context of energy measurements, what does “PV” stand for?
A) Potential Voltage
B) Photovoltaic
C) Power Variation
D) Pulse Velocity
Answer: B) Photovoltaic

What is the unit of energy used to measure the energy content of natural gas in the UK and Europe?
A) Calorific value
B) Kilowatt-hour
C) Watt
D) BTU
Answer: A) Calorific value

Which energy source is typically measured in “barrels of oil equivalent” (BOE)?
A) Solar energy
B) Wind energy
C) Petroleum
D) Biomass
Answer: C) Petroleum

What unit is used to measure the energy consumption of electronic devices in a stand-by mode?
A) Volt
B) Watt
C) Ampere
D) Ohm
Answer: B) Watt

What instrument is used to measure the luminous flux emitted by a light source?
A) Spectrometer
B) Photometer
C) Barometer
D) Thermometer
Answer: B) Photometer

In energy measurements, what is the unit used to describe the total energy output of a power plant over a year?
A) Kilowatt-hour
B) Megawatt-hour
C) Gigawatt-hour
D) Terawatt-hour
Answer: C) Gigawatt-hour

What unit is used to measure the energy content of a battery or fuel cell?
A) Kilowatt-hour
B) Ampere-hour
C) Watt
D) Volt
Answer: B) Ampere-hour

Which energy source is measured in “cubic feet of natural gas equivalent” (CfNGE)?
A) Solar energy
B) Wind energy
C) Natural gas
D) Geothermal energy
Answer: C) Natural gas

In energy measurements, what is the unit used to describe the energy content of solid fuels like wood or coal?
A) BTU
B) Calorific value
C) Watt-hour
D) Joule
Answer: B) Calorific value

What instrument is used to measure the intensity of sound?
A) Voltmeter
B) Ammeter
C) Spectrometer
D) Sound level meter
Answer: D) Sound level meter

In the context of energy measurements, what does “PE” stand for?
A) Potential Energy
B) Piezoelectric Effect
C) Photoelectric Emission
D) Pulse Energy
Answer: A) Potential Energy

What unit is commonly used to measure the energy consumption of a building’s heating and cooling systems?
A) Kilowatt-hour
B) BTU
C) Calorie
D) Joule
Answer: B) BTU

In the field of optics, what is the unit used to measure the power of a lens or the rate of doing work by a lens?
A) Diopter
B) Lux
C) Kelvin
D) Joule
Answer: A) Diopter

What is the unit of energy measurement used in the context of wind energy production?
A) Watt-hour
B) Kilowatt-hour
C) Watt
D) Megawatt
Answer: B) Kilowatt-hour

In the context of energy measurements, what does “Renewable Energy Certificate” (REC) represent?
A) A unit of energy consumption
B) A legal document
C) A tradeable instrument representing a certain amount of renewable energy generation
D) A government regulation
Answer: C) A tradeable instrument representing a certain amount of renewable energy generation

Which energy measurement unit is commonly used to express the energy consumption of a computer or other electronic devices?
A) Volt
B) Watt
C) Calorie
D) Joule
Answer: B) Watt

What instrument is used to measure the intensity of electromagnetic radiation?
A) Luxmeter
B) Pyrometer
C) Spectrophotometer
D) Thermocouple
Answer: C) Spectrophotometer

In energy measurements, what is the unit used to describe the energy content of natural gas in the United States?
A) Calorific value
B) Kilowatt-hour
C) BTU
D) Joule
Answer: C) BTU

Which energy source is typically measured in “gallons of gasoline equivalent” (GGE)?
A) Hydrogen
B) Solar energy
C) Coal
D) Geothermal energy
Answer: A) Hydrogen

What unit is used to measure the energy consumption of a household’s electrical devices over a month?
A) Volt
B) Ampere
C) Watt-hour
D) Ohm
Answer: C) Watt-hour

In the context of energy measurements, what does “COP” stand for?
A) Coefficient of Performance
B) Cost of Production
C) Current Output Power
D) Coherent Optical Power
Answer: A) Coefficient of Performance

What is the unit of energy used to measure the energy content of compressed natural gas (CNG)?
A) Calorific value
B) BTU
C) Joule
D) Gallon
Answer: A) Calorific value

What is the unit of energy used to measure the energy content of food for scientific purposes?
A) Calorie
B) Joule
C) Kilowatt-hour
D) BTU
Answer: B) Joule