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.

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Physics Measuring Instruments Questions

Multiple choice

What is the primary application of piezoelectric sensors?

  1. Temperature measurement

  2. Pressure measurement

  3. Light measurement

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

Piezoelectric sensors are primarily used for pressure measurement.

Multiple choice

Which of the following is a type of geotechnical instrumentation?

  1. Piezometers

  2. Inclinometers

  3. Extensometers

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

Piezometers, inclinometers, and extensometers are all types of geotechnical instrumentation.

Multiple choice

What is the purpose of a Langmuir probe in plasma diagnostics?

  1. Measuring electron temperature

  2. Measuring ion density

  3. Measuring plasma potential

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

A Langmuir probe is a versatile tool used in plasma diagnostics. It can measure electron temperature, ion density, and plasma potential by analyzing the current-voltage characteristics of the probe.

Multiple choice

The development of the sphygmomanometer in the 19th century allowed doctors to:

  1. Measure blood pressure

  2. Detect heart murmurs

  3. Monitor heart rate

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

The sphygmomanometer, invented by Samuel Siegfried Karl Ritter von Basch, enabled doctors to measure blood pressure, a crucial parameter for diagnosing and managing various medical conditions.

Multiple choice

What is the name of the device used to measure the time in handball?

  1. Stopwatch

  2. Timer

  3. Clock

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

A chronometer is used to measure the time in handball.

Multiple choice

What is the name of the device used to measure the score in handball?

  1. Scoreboard

  2. Tally counter

  3. Abacus

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

A scoreboard is used to measure the score in handball.

Multiple choice

What is the name of the device used to measure the fouls in handball?

  1. Foul counter

  2. Penalty counter

  3. Sin bin

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

A foul counter is used to measure the fouls in handball.

Multiple choice

What is the name of the device used to measure the timeouts in handball?

  1. Timeout counter

  2. Break counter

  3. Interval counter

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

A timeout counter is used to measure the timeouts in handball.

Multiple choice

Which of the following is NOT a common type of geotechnical instrument used to measure soil or rock properties?

  1. Penetrometer

  2. Borehole camera

  3. Inclinometer

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

Geophones are not commonly used in geotechnical engineering. They are primarily used in geophysics for seismic surveys.

Multiple choice

Which of the following is NOT a method for measuring eustasy?

  1. Tide gauges

  2. Satellite altimetry

  3. Gravity measurements

  4. Seismic tomography
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Seismic tomography is not a method for measuring eustasy.

Multiple choice

What is the most important piece of equipment for scuba diving?

  1. Buoyancy Compensator Device (BCD)

  2. Diving Mask

  3. Flippers

  4. Air Tank
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The air tank is the most important piece of equipment for scuba diving as it provides the diver with the necessary air to breathe underwater.

Multiple choice

Which of the following is a primary flow measurement device?

  1. Venturi meter

  2. Orifice plate

  3. Pitot tube

  4. Magnetic flow meter
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A Venturi meter is a primary flow measurement device that uses the principle of conservation of energy to measure the flow rate of a fluid.

Multiple choice

Which of the following is a non-intrusive flow measurement technique?

  1. Ultrasonic flow meter

  2. Laser Doppler velocimetry

  3. Hot-wire anemometer

  4. Turbine flow meter
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Ultrasonic flow meters are non-intrusive flow measurement devices that use ultrasonic waves to measure the flow rate of a fluid.

Multiple choice

Which of the following is a type of positive displacement flow meter?

  1. Gear flow meter

  2. Paddlewheel flow meter

  3. Turbine flow meter

  4. Vortex shedding flow meter
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Gear flow meters are positive displacement flow meters that use a pair of gears to measure the flow rate of a fluid.

Multiple choice

Which of the following is a type of inferential flow meter?

  1. Venturi meter

  2. Orifice plate

  3. Pitot tube

  4. Vortex shedding flow meter
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Vortex shedding flow meters are inferential flow meters that use the principle of vortex shedding to measure the flow rate of a fluid.