How strain gauge is used for pressure measurement, explain?

How strain gauge is used for pressure measurement, explain?
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1 Answer

Answer :

strain gauge: - strain gauge is used for pressure measurement as one of the arm of a wheatstones' bridge, the pressure is applied to the strain gauge through diaphragm elastic pressure sensor.

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Related questions

Sketch DC signal conditioning circuit for pressure measurement using strain gauge. Justify it.

Description : Sketch DC signal conditioning circuit for pressure measurement using strain gauge. Justify it.

Last Answer : Diagram: Figure: DC signal conditioning circuit for pressure measurement using strain gauge Where, Rg= strain gauge resistance. Explanation: In order to measure strain with ... millivolts output per volt input. The Wheatstone circuit is also well suited for temperature compensation.

Explain working of resistance strain gauge

Description : Explain working of resistance strain gauge

Last Answer : Principle working: Strain gauge is a passive, versatile transducer and it is often used for measuring weight, pressure, force and displacement .They sense the strain produced in a wire due to applied ... , allowing the strain measured to be related to the applied stress and hence the force applied.

Explain in brief the working principle of strain gauge. Define gauge factor and list out types of strain gauges.

Description : Explain in brief the working principle of strain gauge. Define gauge factor and list out types of strain gauges.

Last Answer : If a metal conductor is stretched or compressed, the resistance changes as both length and diameter change. There is a change in the value of resistivity of the conductor also when it is ... metal film strain gauges 6. Diffused metal strain gauges 7. Sputter deposited thin metal strain gauge

Define absolute pressure and gauge pressure. State the different units for pressure measurement.

Description : Define absolute pressure and gauge pressure. State the different units for pressure measurement.

Last Answer : Definition: Absolute pressure: Absolute pressure is defined as actual total pressure including atmospheric pressure actin On a surface. PAbsolute= PAtmospheric + PGauge Gauge pressure: Gauge pressure is defined ... mm of mercury column (blood pressure) inches of water Barmillibar (weather) Torr

Dummy strain gauge is used in conjunction with the main strain gauge to _____.

Description : Dummy strain gauge is used in conjunction with the main strain gauge to _____.

Last Answer : Dummy strain gauge is used in conjunction with the main strain gauge to compensate temperature effects.

Gauge factor of strain gauge is defined as the ratio of per unit change in the ______.

Description :  Gauge factor of strain gauge is defined as the ratio of per unit change in the ______.

Last Answer :  Gauge factor of strain gauge is defined as the ratio of per unit change in the resistance to the per unit change in the length of the element.

If Poisson's ratio of a resistance wire strain gauge is 1.8, then neglecting piezo-resistive effects, its Gauge

Description : If Poisson's ratio of a resistance wire strain gauge is 1.8, then neglecting piezo-resistive effects, its Gauge factor is :  (A) 2.8 (B) 2.6 (C) 4.6 (D) 3.6

Last Answer : If Poisson's ratio of a resistance wire strain gauge is 1.8, then neglecting piezo-resistive effects, its Gauge factor is : 4.6

A strain gauge is a passive transducer and is employed for converting

Description : A strain gauge is a passive transducer and is employed for converting   (a) Pressure into change in resistance (b) Force into displacement (c) Mechanical displacement into a change of resistance (d) None of the above 

Last Answer : A

State function of strain gauge. Give its types and explain working of any one type of it.

Description : State function of strain gauge. Give its types and explain working of any one type of it.

Last Answer : Function of strain gauge: - ➢ The strain gauge is a passive, resistive transducer which converts the mechanical elongation and compression into a resistance change. ➢ This change in ... change in resistivity. 3. Silicon and germanium are used as resistive material for semiconductor gauges

Operation of McLeod gauge used for low pressure measurement is based on the principle of (A) Gas law (B) Boyle's law (C) Charles law

Description : Operation of McLeod gauge used for low pressure measurement is based on the principle of (A) Gas law (B) Boyle's law (C) Charles law

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Measuring force without a strain gauge?

Description : Measuring force without a strain gauge?

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Which of the listed devices may be used as a digital device? A. variable resistor B. diode C. strain gauge D. thermistor

Description : Which of the listed devices may be used as a digital device? A. variable resistor B. diode C. strain gauge D. thermistor

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__________ circuit is most commonly used to measure strain with the help of a strain gauge. (A) Ballast (B) Voltage balancing potentiometric (C) Simple current sensitive (D) None of these

Description : __________ circuit is most commonly used to measure strain with the help of a strain gauge. (A) Ballast (B) Voltage balancing potentiometric (C) Simple current sensitive (D) None of these

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How to Measure a Strain Gauge

Description : How to Measure a Strain Gauge

Last Answer : How to Measure a Strain Gauge There are several ways to measure strain. The most common is to use a strain gauge. In laymen's terms, a strain gauge is a device whose electrical ... who supply all the necessary strain gauges and materials from connection tags, to binding adhesives and training.

Describe strain gauge with labelled diagram.

Description : Describe strain gauge with labelled diagram.

Last Answer : A Strain gauge is a sensor whose resistance varies with applied force. It converts force, pressure, tension, weight, etc., into a change in electrical resistance which can then be measured. When external ... to the applied strain. So, the voltmeter can be calibrated in terms of strain or force. 

Define : i) Strain gauge ii) Gauge factor

Description : Define : i) Strain gauge ii) Gauge factor

Last Answer : i) Strain gauge is a resistance transducer whose resistance varies with applied force; It converts force, pressure, tension, weight, etc., into a change in electrical resistance which can then be measured ... is defined as the ratio of per unit change in resistance to per unit change in length 

The advantage of a semiconductor strain gauge cover the wire round strain gauge is that

Description : The advantage of a semiconductor strain gauge cover the wire round strain gauge is that

Last Answer : The advantage of a semiconductor strain gauge cover the wire round strain gauge is that it is more sensitive

The Semiconductor strain gauges typically have much higher gauge factors than those of metallic strain

Description : The Semiconductor strain gauges typically have much higher gauge factors than those of metallic strain gauges, primarily due to : (A) higher temperature sensitivity (B) higher Poisson’s ratio (C) higher piezoresitive coefficient (D) higher magnetostrictive coefficient

Last Answer : The Semiconductor strain gauges typically have much higher gauge factors than those of metallic strain gauges, primarily due to : higher piezoresitive coefficient

In a strain measuring device, using a strain gauge, the output quantity is ....

Description : In a strain measuring device, using a strain gauge, the output quantity is  A) Voltage B) resistance C) Impedance D) either A) or B)

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Explain with neat diagram working of Mc Leod gauge used for vacuum measurement.

Description : Explain with neat diagram working of Mc Leod gauge used for vacuum measurement.

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What does the measurement on my caster camber gauge mean?

Description : What does the measurement on my caster camber gauge mean?

Last Answer : A caster camber gauge measures the caster in each wheel. The measurement has to do with wheel alignment and degrees of track on the tire.

Most appropriate instrument for measurement of internal and external diameter of a tube is A. vernier callipers B. micrometer screw gauge C. meter rule D. measuring tape

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Last Answer : vernier callipers

If a gauge is installed perpendicular to the slope, its measurement is reduced by multiplying (A) Sine of the angle of inclination with vertical (B) Cosine of the angle of inclination with vertical (C) Tangent of the angle of inclination with vertical (D) Calibration coefficient of the gauge

Description : If a gauge is installed perpendicular to the slope, its measurement is reduced by multiplying (A) Sine of the angle of inclination with vertical (B) Cosine of the angle of inclination with vertical (C) Tangent of the angle of inclination with vertical (D) Calibration coefficient of the gauge

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A stilling well is required when the stage measurement is made by employing : a) Bubble gauge b) Float gauge recorder c) Vertical staff gauge d) Inclined staff gauge

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When using an American Standard Wire Gauge to determine the size of a wire, where should you place the wire in the gauge to get the correct measurement?

Description : When using an American Standard Wire Gauge to determine the size of a wire, where should you place the wire in the gauge to get the correct measurement?

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For dynamic strain measurement, the Wheatstone bridge used is of __________ type. (A) Voltage sensitive null (B) Voltage sensitive deflected (C) Current sensitive deflected (D) None of these

Description : For dynamic strain measurement, the Wheatstone bridge used is of __________ type. (A) Voltage sensitive null (B) Voltage sensitive deflected (C) Current sensitive deflected (D) None of these

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Draw and explain the operation of pressure transducer having diaphragm as a primary sensor and four strain gauges as secondary sensors.

Description : Draw and explain the operation of pressure transducer having diaphragm as a primary sensor and four strain gauges as secondary sensors.

Last Answer : Pressure measurement with strain gauges on diaphragm: Description: This method uses the principle of converting pressure into a displacement by elastic elements which act as primary ... unbalance in the bridge circuit, producing an output voltage proportional to the applied pressure.

Define gauge pressure and differential pressure

Description : Define gauge pressure and differential pressure

Last Answer : (i) Gauge pressure: Gauge pressure is defined as the difference between actual pressure and atmospheric pressure.  Gauge pressure= Pabsolute - Patmospheric  (ii) Atmospheric pressure: Atmospheric pressure ... atmosphere around it. It shows the difference between two pressures of the same unit. 

What is pressure calibration? State stepwise procedure to test the accuracy of pressure gauge with dead weight tester.

Description : What is pressure calibration? State stepwise procedure to test the accuracy of pressure gauge with dead weight tester.

Last Answer : Explanation- The handle is fully drawn out and the oil is allowed to enter in the cylinder (i.e. gauge and piston). A known accurate weight is placed on the platform. The area of ... reduce the friction between the piston and cylinder, the piston is gradually rotated while a reading being taken

Explain the working of diaphragm for pressure measurement.

Description : Explain the working of diaphragm for pressure measurement. 

Last Answer : Capacitive transducers are used for the measurement of pressure by converting the pressure into a displacement. The displacement is sensed by a capacitive transducer using a differential arrangement's ... shows a 1800 phase shift. This voltage may be amplified by an emitter follower amplifier.

Name Different Parts Of A Pressure Gauge? Explain The Use Of Hair Spring In The Pressure Gauge?

Description : Name Different Parts Of A Pressure Gauge? Explain The Use Of Hair Spring In The Pressure Gauge?

Last Answer : Pressure gauge includes following components: a. ‘C' type bourdon tube. b. Connecting link c. Sector gear d. Pinion Gear e. Hair spring f. Pointer g. Dial Use of hair spring: Hair spring is responsible for controlling torque. It is also used to eliminate any play into linkages.

Name Different Parts Of A Pressure Gauge. Explain The Use Of Hair Spring In The Pressure Gauge?

Description : Name Different Parts Of A Pressure Gauge. Explain The Use Of Hair Spring In The Pressure Gauge?

Last Answer : Pressure gauge includes following components: 1. ‘C’ type bourdon tube. 2. Connecting link 3. Sector gear 4. Pinion Gear 5. Hair spring 6. Pointer 7. Dial Use of hair spring: Hair spring is responsible for controlling torque. It is also used to eliminate any play into linkages..

Draw and explain a pressure gauge ? What is the used of a Hair spring ?

Description : Draw and explain a pressure gauge ? What is the used of a Hair spring ?

Last Answer : The parts of a pressure gauge are : ١. 'C' type Bourdon tube. ٢. Connecting link. ٣. Sector gear. ٤. Pinion gear. ٥. Hair Spring. ٦. Pointer. ٧. Dial. Uses of Hair Spring : Hair ... two purposes namely To avoid backlash error (eliminate any play into linkages). It serves as a controlling torque.

Explain the process of calibration of pressure gauge by Dead Weight Tester.

Description : Explain the process of calibration of pressure gauge by Dead Weight Tester.

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Draw and explain the temperature compensation circuit in strain-guage.

Description : Draw and explain the temperature compensation circuit in strain-guage. 

Last Answer : Temperature compensation in strain gauge. The resistive type strain gauges are sensitive to temperature so compensation is required which is provided by  1) Use of adjacent arm balancing or compensating gauge 2) ... gauge is introduced in arm 3 which is identical to active gauge. Diagram:-

State how pressure measurement can be done using Dead weight tester.

Description : State how pressure measurement can be done using Dead weight tester.

Last Answer : The handle is fully drawn out and the oil is allowed to enter in the cylinder (i.e. gauge and piston) The weight to be measured is placed on the platform. Now the handle is turned ... of the area of the piston and the pressure indicated on the gauge is equal to the weight under measurement.

What is capsule? How it is used for pressure measurement?

Description : What is capsule? How it is used for pressure measurement?

Last Answer : A capsule is made up of two identical corrugated diaphragms so as to form a leak- proof chamber and also referred to as an aneroid. The fluid under measurement is entered in to ... one side to communicate the displacement. The opening is provided in other diaphragm to apply the pressure. 

Should I trust the tire pressure sensor in my truck or a hand held gauge?

Description : Should I trust the tire pressure sensor in my truck or a hand held gauge?

Last Answer : Maybe you need a gauge to break the tie? For now I’d fill my tires in-between the two.

What is the name of the gas pressure gauge ?

Description : What is the name of the gas pressure gauge ?

Last Answer : : The name of the gas pressure measuring device is manometer.

How do you read a car tire gauge, and how do you know the right tire pressure?

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A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure ofabout 67 kg/cm. The refrigerant used is (a) Ammonia (b) Carbon dioxide (c) Freon (d) Brine

Description : A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure ofabout 67 kg/cm. The refrigerant used is (a) Ammonia (b) Carbon dioxide (c) Freon (d) Brine

Last Answer : Ans: b

D.C. propulsion motor brush pressure depends on the brush grade used and in practice is set with a ______________. A. multimeter B. manometer C. spring scale D. compound gauge

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__________ is used for measuring the static pressure exerted on the wall by a fluid flowing parallel to the wall in a pipeline. (A) Venturimeter (B) Pressure gauge(C) Pitot tube(D) Orificemeter

Description : __________ is used for measuring the static pressure exerted on the wall by a fluid flowing parallel to the wall in a pipeline. (A) Venturimeter (B) Pressure gauge (C) Pitot tube (D) Orificemeter

Last Answer : (C) Pitot tube

Pick out the wrong statement: (A) The vacuum pressure is always the negative gauge pressure (B) The pressure of the liquid measured by a piezometer tube is the gauge pressure (C) Manometric liquid should have high surface tension (D) The point at which the resultant pressure on an immersed surface acts, is known as the centre of gravity

Description : Pick out the wrong statement: (A) The vacuum pressure is always the negative gauge pressure (B) The pressure of the liquid measured by a piezometer tube is the gauge pressure (C) Manometric ... point at which the resultant pressure on an immersed surface acts, is known as the centre of gravity

Last Answer : (D) The point at which the resultant pressure on an immersed surface acts, is known as the centre of gravity

2. Differential manometer measures the (A) Absolute pressure (B) Gauge pressure (C) Pressure difference (D) Pressure gradien

Description : 2. Differential manometer measures the (A) Absolute pressure (B) Gauge pressure (C) Pressure difference (D) Pressure gradien

Last Answer : (C) Pressure difference

When the pressure intensity at a point is more than the local atmospheric pressure, then the difference of these two pressures is called (A) Gauge pressure (B) Absolute pressure (C) Positive gauge pressure (D) Vacuum pressure

Description : When the pressure intensity at a point is more than the local atmospheric pressure, then the difference of these two pressures is called (A) Gauge pressure (B) Absolute pressure (C) Positive gauge pressure (D) Vacuum pressure

Last Answer : Answer: Option C

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Description : Gauge pressure at a point is equal to the absolute pressure __________ the atmospheric pressure. (A) Plus (B) Minus (C) Divide (D) Multiply

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Description : In a venturi-flume, the flow takes place at (A) Atmospheric pressure (B) Gauge pressure (C) Absolute pressure (D) None of these

Last Answer : Answer: Option A

Working principle of dead weight pressure gauge tester is based on (A) Pascal's law (B) Dalton's law of partial pressure (C) Newton's law of viscosity (D) Avogadro's hypothesis

Description : Working principle of dead weight pressure gauge tester is based on (A) Pascal's law (B) Dalton's law of partial pressure (C) Newton's law of viscosity (D) Avogadro's hypothesis

Last Answer : Answer: Option A

The pressure of a liquid measured with the help of a Piezometer tube is (A) Vacuum pressure (B) Gauge pressure (C) Absolute pressure (D) Atmospheric pressure

Description : The pressure of a liquid measured with the help of a Piezometer tube is (A) Vacuum pressure (B) Gauge pressure (C) Absolute pressure (D) Atmospheric pressure

Last Answer : Answer: Option B