Physics ยท General Awareness

Physics Measuring Instruments

1,180 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.

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Physics Measuring Instruments Questions

Multiple choice

What is the name of the thermometer used to measure the temperature inside a tandoor?

  1. Tandoor thermometer

  2. Oven thermometer

  3. Meat thermometer

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

Tandoor thermometer is a thermometer used to measure the temperature inside a tandoor.

Multiple choice

What type of sensor is commonly used to measure the pH of a bioprocess?

  1. pH electrode

  2. Conductivity probe

  3. Dissolved oxygen probe

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

pH electrodes are specifically designed to measure the pH of a solution, providing accurate and reliable measurements of hydrogen ion concentration.

Multiple choice

Which type of sensor is commonly used to measure the dissolved oxygen (DO) concentration in a bioprocess?

  1. pH electrode

  2. Conductivity probe

  3. Dissolved oxygen probe

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

Dissolved oxygen probes are specifically designed to measure the dissolved oxygen concentration in a solution, providing accurate and reliable measurements of oxygen levels.

Multiple choice

Which type of sensor is commonly used to measure the level of liquid in a bioreactor?

  1. pH electrode

  2. Conductivity probe

  3. Dissolved oxygen probe

  4. Level sensor
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Level sensors are specifically designed to measure the level of liquid in a container or vessel, providing accurate and reliable measurements of liquid volume.

Multiple choice

Which of the following is a common method for measuring streamflow?

  1. Current Meter

  2. Float Method

  3. Acoustic Doppler Current Profiler (ADCP)

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Current meter, float method, and Acoustic Doppler Current Profiler (ADCP) are all common methods for measuring streamflow. Current meter measures the velocity of water flow at a point, float method measures the average velocity of water flow over a section, and ADCP measures the velocity of water flow throughout a cross-section.

Multiple choice

What is the primary diagnostic technique used to measure the temperature of laboratory plasmas?

  1. Spectroscopy

  2. Interferometry

  3. Magnetic Probes

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

Spectroscopy is the primary diagnostic technique used to measure the temperature of laboratory plasmas. This involves analyzing the light emitted by the plasma, which contains information about the plasma's temperature and composition.

Multiple choice

In basketball, what device is used to measure the time remaining in a game or quarter?

  1. Shot Clock

  2. Game Clock

  3. Stopwatch

  4. Scoreboard
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The game clock in basketball displays the time remaining in a quarter or the entire game.

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 name of the astronomical instrument used to study the composition of stars?

  1. Spectroscope

  2. Telescope

  3. Microscope

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

A spectroscope is an astronomical instrument used to study the composition of stars by analyzing the light they emit.

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.