Physics ยท General Awareness

Physics Measuring Instruments

1,123 Questions

Physics measuring instruments are essential tools used to measure various physical quantities. This topic covers devices like hygrometers, oscilloscopes, and sphygmomanometers. It is a highly scoring section in general science and general awareness examinations.

Pressure and humidity instrumentsElectrical measuring devicesMedical physics toolsNavigational instruments

Physics Measuring Instruments Questions

Multiple choice

In American football, what device is used to measure the distance of a punt or field goal?

  1. Football

  2. Goalposts

  3. Measuring Chain

  4. Down Marker
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A measuring chain is used to measure the distance of a punt or field goal in American football.

Multiple choice

In cycling, what device is used to measure the time taken by riders to complete a race?

  1. Speedometer

  2. Odometer

  3. Stopwatch

  4. Cyclocomputer
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A stopwatch is used to measure the time taken by cyclists to complete a race.

Multiple choice

What is the name of the astronomical instrument used to measure the altitude of celestial objects?

  1. Astrolabe

  2. Sextant

  3. Telescope

  4. Micrometer
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An astrolabe is an astronomical instrument used to measure the altitude of celestial objects, such as the sun, moon, and stars.

Multiple choice

What is the name of the astronomical instrument used to measure the time of day?

  1. Sundial

  2. Clock

  3. Watch

  4. Stopwatch
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A sundial is an astronomical instrument used to measure the time of day by the position of the sun.

Multiple choice

What is the role of instrumentation in control systems?

  1. To measure and transmit physical quantities

  2. To generate control signals

  3. To amplify the control signal

  4. To display the system parameters
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Instrumentation plays a crucial role in control systems by measuring and transmitting physical quantities such as temperature, pressure, position, or velocity to the controller.

Multiple choice

What is the name of the device used to measure the speed of a pitched baseball?

  1. Radar gun

  2. Speedometer

  3. Tachometer

  4. Anemometer
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A radar gun is used to measure the speed of a pitched baseball.

Multiple choice

Which of the following is NOT a type of air pollution monitoring equipment?

  1. Air quality monitor

  2. Meteorological station

  3. Windsock

  4. Anemometer
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A windsock is not a type of air pollution monitoring equipment.

Multiple choice

Which of the following is not a method for measuring evapotranspiration?

  1. Lysimeters

  2. Eddy Covariance

  3. Remote Sensing

  4. Soil Moisture Sensors
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Soil moisture sensors are not directly used to measure evapotranspiration. They measure the amount of water in the soil, which can be used to estimate evapotranspiration indirectly.

Multiple choice

Which of the following is not a common type of emission monitoring equipment?

  1. Continuous emission monitors

  2. Opacity monitors

  3. Flow monitors

  4. Temperature monitors
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Temperature monitors are not a type of emission monitoring equipment because they do not measure emissions from stationary sources.

Multiple choice

What is the modern equivalent of the sextant?

  1. The GPS

  2. The compass

  3. The radar

  4. The sonar
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The modern equivalent of the sextant is the GPS (Global Positioning System). The GPS is a satellite-based navigation system that provides accurate location and time information to users on Earth.

Multiple choice

Which of the following is not a common type of air pollution monitoring equipment used in museums?

  1. Gas detectors

  2. Particulate matter monitors

  3. Temperature and humidity sensors

  4. Wind speed and direction sensors
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Wind speed and direction sensors are not commonly used in museums for air pollution monitoring, as they are primarily used for weather monitoring.

Multiple choice

Which tool is commonly used to measure and analyze electrical power consumption in an energy audit?

  1. Power Quality Analyzer

  2. Infrared Camera

  3. Ultrasonic Detector

  4. Anemometer
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A power quality analyzer is a device used to measure and analyze electrical power consumption, including voltage, current, power factor, and harmonics.

Multiple choice

Which tool is used to measure air velocity and flow rate in an energy audit?

  1. Anemometer

  2. Power Quality Analyzer

  3. Infrared Camera

  4. Ultrasonic Detector
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An anemometer is a device used to measure air velocity and flow rate, which is important for assessing ventilation and airflow in an energy audit.

Multiple choice

Which tool is used to measure and analyze the performance of heating, ventilation, and air conditioning (HVAC) systems?

  1. Power Quality Analyzer

  2. Infrared Camera

  3. HVAC Analyzer

  4. Anemometer
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

An HVAC analyzer is a specialized tool used to measure and analyze the performance of heating, ventilation, and air conditioning systems.

Multiple choice

Which tool is used to measure and analyze the energy consumption of appliances and equipment?

  1. Power Quality Analyzer

  2. Infrared Camera

  3. Ultrasonic Detector

  4. Plug-in Energy Meter
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A plug-in energy meter is a device that can be plugged into an electrical outlet to measure and analyze the energy consumption of appliances and equipment.