Compare active transducer with passive transducer based on working principle, example, advantage, application

Compare active transducer with passive transducer based on working principle, example, advantage, application
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Compare active transducer with passive transducer based on working principle, example, advantage, application

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State working principle of piezoelectric transducer with diagram.

Description : State working principle of piezoelectric transducer with diagram.

Last Answer : Working principle: When force or pressure is applied to the piezoelectric material like quartz crystal or barium titanate, then an e.m.f. is generated across the material or vice versa ... deformation generates a charges and this charges appears as a voltage across the electrodes.

Compare active and passive transducer.

Description : Compare active and passive transducer.

Last Answer : Active Transducer Passive transducer Don't require external power for operation. Require external power supply for operation. It is also called selfgenerating transducer. It ... energy controlling Principle. Ex-Thermocouple, piezoelectric. Ex Thermistor, Strain Gauges.

LVDT used for displacement measurement is a/an __________ transducer. (A) Passive (B) Active (C) Capacitive (D) None of these

Description : LVDT used for displacement measurement is a/an __________ transducer. (A) Passive (B) Active (C) Capacitive (D) None of these

Last Answer : (A) Passive

Give construction working principle of RTD with a neat sketch.

Description : Give construction working principle of RTD with a neat sketch.

Last Answer : Diagram Working: An RTD (resistance temperature detector) is a temperature sensor that operates on the measurement principle that a material's electrical resistance changes with temperature. ... change m resistance of the RTD, which is then used to calculate change in temperature.

State working principle of capacitive type level sensor with diagram.

Description : State working principle of capacitive type level sensor with diagram. 

Last Answer : Principle of working : The capacitive level detector operates on the equation of parallel plate capacitor, i.e. Where, C = capacitance value in farad ε = dielectric constant d = distance between ... (ε ). This principle is used in the capacitance level gauge for detecting level change.

. Banner grabbing is an example of what?  Footprinting  Active operating system fingerprinting  Passive operating system fingerprinting  Application analysis

Description : . Banner grabbing is an example of what?  Footprinting  Active operating system fingerprinting  Passive operating system fingerprinting  Application analysis

Last Answer :  Passive operating system fingerprinting

State principle of operation of piezo-electric transducer. State its application.

Description : State principle of operation of piezo-electric transducer. State its application.

Last Answer : The piezoelectric element used for converting mechanical movement into electric signals. The mechanical deformation generates charges and this charge appears as a voltage across the electrodes.  ... destructive test (NDT) equipments 6. Piezoelectric materials are used in ultrasonic transducers. 

The lateral earth pressure coefficients of a soil, Ka for active state, Kp for passive state and Ko for at-rest condition, compare as : (a) Ko < Ka < Kp (b) Ka < Ko < Kp (c) Ka < Kp < Ko (d) Kp < Ko < Ka

Description : The lateral earth pressure coefficients of a soil, Ka for active state, Kp for passive state and Ko for at-rest condition, compare as : (a) Ko < Ka < Kp (b) Ka < Ko < Kp (c) Ka < Kp < Ko (d) Kp < Ko < Ka

Last Answer : (b) Ka < Ko < Kp

Compare between active and passive components.

Description : Compare between active and passive components.

Last Answer : active component passive component  It is a device which amplify by producing an output signal with more power in it than that of input signal It is a device which ... bidirectional function semiconductor materials are used Non-semiconductor or semiconductor material is used

Compare: 1. Active and passive network 2. Linear and non-linear network

Description : Compare: 1. Active and passive network 2. Linear and non-linear network

Last Answer : 1. Active network and passive network. Sr.No Active network Passive network 1 If a network consists of an energy source, then it is called as an active network. If ... only to the linear networks.  The superposition theorem also is not applicable to the nonlinear networks.

Compare ; i) Active n/w and passive n/w ii) Bilateral n/w and unilateral n/w

Description : Compare ; i) Active n/w and passive n/w ii) Bilateral n/w and unilateral n/w

Last Answer : i) Active n/w and passive n/w  Sr.No. Active n/w Passive n/w 1 It is a network which contains active elements. It is a network which does not contains active elements or ... allows the current to flow only in one direction. 2 Eg: transmission line Eg: Diode rectifier

The accelerometer is used as a transducer to measure earthquake in Richter scale. Its design is based on the principle that A Its natural frequency is very low in comparison to the frequency of vibration B Its natural frequency is very high in comparison to the frequency of vibration C Its natural frequency is equal to the frequency of vibration D Measurement of vibratory motion is without any reference point

Description : The accelerometer is used as a transducer to measure earthquake in Richter scale. Its design is based on the principle that A Its natural frequency is very low in comparison to the frequency ... is equal to the frequency of vibration D Measurement of vibratory motion is without any reference point

Last Answer : C Its natural frequency is equal to the frequency of vibration

The accelerometer is used as a transducer to measure earthquake in Richter scale. Its design is based on the principle that a) its natural frequency is very low in comparison to the frequency of vibration b) its natural frequency is very high in comparison to the frequency of vibration c) its natural frequency is equal to the frequency of vibration d) measurement of vibratory motion is without any reference point

Description : The accelerometer is used as a transducer to measure earthquake in Richter scale. Its design is based on the principle that a) its natural frequency is very low in comparison to the frequency ... is equal to the frequency of vibration d) measurement of vibratory motion is without any reference point

Last Answer : c) its natural frequency is equal to the frequency of vibration

The accelerometer is used as a transducer to measure earthquake in Richter scale. Its design is based on the principle that ______. (A) its natural frequency is very low in comparison to the frequency of vibration (B) its natural frequency is very high in comparison to the frequency of vibration (C) its natural frequency is equal to the frequency of vibration (D) measurement of vibratory motion is without any reference poin

Description : The accelerometer is used as a transducer to measure earthquake in Richter scale. Its design is based on the principle that ______. (A) its natural frequency is very low in comparison to the ... is equal to the frequency of vibration (D) measurement of vibratory motion is without any reference poin

Last Answer : (C) its natural frequency is equal to the frequency of vibration

The accelerometer is used as a transducer to measure earthquake in Richter scale. Its design is based on the principle that a) its natural frequency is very low in comparison to the frequency of vibration b) its natural frequency is very high in comparison to the frequency of vibration c) its natural frequency is equal to the frequency of vibration d) measurement of vibratory motion is without any reference poin

Description : The accelerometer is used as a transducer to measure earthquake in Richter scale. Its design is based on the principle that a) its natural frequency is very low in comparison to the frequency ... is equal to the frequency of vibration d) measurement of vibratory motion is without any reference poin

Last Answer : c) its natural frequency is equal to the frequency of vibration

Write example of each type (i) Primary transducer (ii) Active transducer (iii) Electrical transducer (iv) Digital transducer

Description : Write example of each type (i) Primary transducer (ii) Active transducer (iii) Electrical transducer (iv) Digital transducer

Last Answer : (i) Active transducer:-Thermocouple, piezoelectric, photovoltaic cell (ii) Primary transducer:- Bourdon tube, bellows, (iii) Electrical transducer.:- LVDT,RVDT, Hall effect, strain gauge, ... , optical pyrometer, radiation pyrometer (iv) Digital transducer:- Linear Encoder, digital taco generator

Compare Bellows and diaphragm w.r.to construction, sensitivity, working principle and application.

Description : Compare Bellows and diaphragm w.r.to construction, sensitivity, working principle and application.

Last Answer : Sr. No Points Bellows diaphragm 1 construction 2 sensitivity Less sensitive as compared to diaphragm  More sensitive as compared to diaphragm ... as well as for vacuum, compound and differential pressure applications. II. For corrosive gases and liquids

State two examples of passive transducer.

Description : State two examples of passive transducer.

Last Answer : Examples of passive transducer: 1. LDR 2. Thermistor 3. Strain Gauge 4. Resistive transducers. 5. Inductive transducers. 6. Photoconductive 7. Capacitive transducers. 8. Magnetoresistive 9. Thermoresistive 10. Electroresistive 11. RTD

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

Draw the following and write application of each. i. Well type manometer ii. Bellows.

Description :  Draw the following and write application of each. i. Well type manometer ii. Bellows.

Last Answer : 1. Well type manometer Application : Manometers are used in flow, pressure and force measurement systems.   2. Bellows  Applications : i. These are used in the large indicating gauges, recorders where space is not a problem. ii. It is useful in pneumatic controllers.

Draw and describe construction and working of Bourdon tube.

Description : Draw and describe construction and working of Bourdon tube.

Last Answer : Construction and working : C type bourdon tube is made up of an elliptically flattened tube bent in such a way as to produce the C' shape as shown in the figure. One end (free ... displacement can be indication of applied pressure. Accuracy of this element is higher than C' type element.

Identify the wrong statement with reference to immunity. (a) When exposed to antigen (living or dead) antibodies are produced in the host’s body. It is called “Active immunity”. (b) When ready-made antibodies are directly given, it is called “Passive immunity”(c) Active immunity is quick and gives full response. (d) Fetus receives some antibodies from mother, it is an example for passive immunity.

Description : Identify the wrong statement with reference to immunity. (a) When exposed to antigen (living or dead) antibodies are produced in the host's body. It is called Active immunity . (b) When ... full response. (d) Fetus receives some antibodies from mother, it is an example for passive immunity

Last Answer : c) Active immunity is quick and gives full response.

Exposure to the flu virus, contracting the flu, and recovering from the disease would be an example of a. Artificially acquired passive immunity. b. Naturally acquired active immunity. c. Artificially acquired active immunity. d. Naturally acquired passive immunity.

Description : Exposure to the flu virus, contracting the flu, and recovering from the disease would be an example of a. Artificially acquired passive immunity. b. Naturally acquired active immunity. c. Artificially acquired active immunity. d. Naturally acquired passive immunity.

Last Answer : b. Naturally acquired active immunity.

Sodium ions are "pumped" from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of (A) Diffusion (B) Passive transport (C) Osmosis (D) Active transport

Description : Sodium ions are "pumped" from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of (A) Diffusion (B) Passive transport (C) Osmosis (D) Active transport

Last Answer : (D) Active transport

Compare primary and secondary transducer (any two points).

Description : Compare primary and secondary transducer (any two points).

Last Answer : i) Primary Transducer: The detector or sensing element which senses the physical phenomenon and converts it into a measurable quantity, whose output forms the input of another transducer is ... analogous output of primary transducer into an electrical quantity is called a secondary transducer.

List non contact type transducer and compare them on the basis of any two factors.

Description : List non contact type transducer and compare them on the basis of any two factors.

Last Answer : Magnetic pick-up Photoelectric This tachometer generator consists of a metallic tooth rotor mounted on the shaft whose speed is to be measured. This method of measuring speed of rotation ... by an electronic counter which can be directly calibrated in terms of speed in rpm.

Active Transducer What? What ?

Last Answer : Active Transducer Hall - Pizzo Electric Transducer Photos Voltaic The cell , the thermocouple , the thermopile

State two examples of active transducer.

Description : State two examples of active transducer.

Last Answer : Examples of active transducer: 1. Thermocouple 2. photovoltaic cells (solar cells) 3. Piezoelectric crystals. 4. Thermoelectric 5. Magnetostrictive 6. Electrokinetic

Following transducer is an active transducer:

Description : Following transducer is an active transducer: (1) Carbon Microphone (2) Piezoelectric Microphone (3) LVDT (4) Strain Gauge 

Last Answer : Following transducer is an active transducer: Piezoelectric Microphone

One of the following in an active transducer : -

Description : One of the following in an active transducer : -  a) Strain gauge b) LVDT c) Photo colt aoc cell d) Photo emissive cell

Last Answer : One of the following in an active transducer : - Photo colt aoc cell

Give one application each of following transducer: (i) LVDT (ii) RVDT (iii) Capacitive (iv) Piezoelectric

Description : Give one application each of following transducer: (i) LVDT (ii) RVDT (iii) Capacitive (iv) Piezoelectric

Last Answer : i) LVDT ➢ LVDT used to measure force ➢ LVDT used to measure strain ➢ LVDT used to measure weight ➢ LVDT used to measure tension ➢ LVDT used to measure pressure ➢ The ... flow meters, non-destructive test (NDT) equipment's ➢ Piezoelectric materials are used in ultrasonic transducers.

Define transducer. State factors which are considered while selecting transducer for a particular application.

Description : Define transducer. State factors which are considered while selecting transducer for a particular application.

Last Answer : Transducer - It converts one form of signal into another form. A transducer is a device that is used to convert a physical quantity into its corresponding electrical signal. ... compatibility : The transducer should maintain input and output characteristic for the selected environmental condition.

List any six criteria for selecting a proper transducer for an application.

Description : List any six criteria for selecting a proper transducer for an application.

Last Answer : Criteria for selecting a transducer for an application: 1. Electrical output of transducer (Current/voltage) 2. Range of measurement i.e maximum and minimum values of parameter to be measured. ... . 11. Loading effect. 12. Stability & Reliability of transducer 13. Cost and availability

.Free trade is based on the principle of (a) Comparative advantage (b) Comparative scale © Economies of advantage (d) Production possibility advantage

Description : .Free trade is based on the principle of (a) Comparative advantage (b) Comparative scale © Economies of advantage (d) Production possibility advantage

Last Answer : (a) Comparative advantage

Compare orifice plate with venturi tube with reference to: (i) Working principle (ii) Construction (iii) Cost (iv) Pressure loss

Description : Compare orifice plate with venturi tube with reference to: (i) Working principle (ii) Construction (iii) Cost (iv) Pressure loss

Last Answer : Venturi Flow Meter vs Orifice Plate Meter

(i) Explain the working principle of Electrostatic and permanent magnet speaker. (ii) Compare Woofer and Tweeter.

Description : (i) Explain the working principle of Electrostatic and permanent magnet speaker. (ii) Compare Woofer and Tweeter.

Last Answer : (i) Electrostatic speaker. The voltage is applied to the central or movable plate, the signal voltage is applied to the two outside plates causes these plates to attract or repel each other. ... to minimize the impact of this resonant frequency. (ii) Compare Woofer and Tweeter.

Describe the need of level measurements.

Description : Describe the need of level measurements.

Last Answer : In almost all industries, vast quantities of liquid such as water ,solvents, chemicals etc. are used in number of processes. It is widely employed to monitor as well as measure ... and therefore its measurement becomes important in a variety of processes encountered in modern manufacturing plants.

Describe the construction of orifice plate flow meter.

Description : Describe the construction of orifice plate flow meter. 

Last Answer : It is variable head flow meter in which the differential pressure is developed by using orifice plate by inserting it in the path of the fluid flow.  Orifice meter is as ... measurement of differential pressure. Thus differential pressure (p1-p2) is directly proportional to the flowrate.

Draw labeled dead weight tester.

Description : Draw labeled dead weight tester.

Last Answer : dead weight tester

Draw and describe constructional diagram of RVDT.

Description : Draw and describe constructional diagram of RVDT.

Last Answer : Rotary Variable Differential Transformer (RVDT) is inductive transducer, which converts the angular displacement into electrical signal. Construction and working : Figure shows the circuit diagram of ... - Vs1 Thus by using RVDT one can determine the angular displacement and its direction

Describe construction of bimetallic thermometer

Description : Describe construction of bimetallic thermometer

Last Answer : Construction and working : Figure shows construction of bimetallic thermometer, it consists of bimetallic strip usually in the form of a cantilever beam, which is prepared from two thin strips ... . This type of thermometer is used in homes and offices for indicating ambient temperature.

Draw neat labeled diagram of optical pyrometer.

Description : Draw neat labeled diagram of optical pyrometer.

Last Answer :  optical pyrometer

State humidity and draw hair type hygrometer.

Description : State humidity and draw hair type hygrometer.

Last Answer : Humidity is defined as it is a measure of water vapors present in the surrounding air.

List the different level measurement methods.

Description : List the different level measurement methods. 

Last Answer : Liquid Level Measurement Direct method 1. Hook type 2. Sight glass gype 3. Float type 4. Dip stick Indirect method 1. Hydraustatic pressure type 2. Electrical type a) Capacitance level indicator b) Radiation level detector c) Ultrasonic level gauge 3. Radar type

Draw Bourdon tube with LVDT setup for pressure measurement.

Description : Draw Bourdon tube with LVDT setup for pressure measurement.

Last Answer : Bourdon tube with LVDT setup for pressure measurement.

Draw venture meter and write steps to measure flow rate.

Description : Draw venture meter and write steps to measure flow rate.

Last Answer : Venturi meter consists of three sections that is converging section, throat section and diverging section. The flow is introduced to the meter through the inlet with diameter D' . The inclined angle ... to 15o . Flow rate is proportional to the square root of the differential pressure.

List variable flow meter.

Description : List variable flow meter. 

Last Answer : 1. Variable area : Rotameter 2. Variable head : a) Venturi b) Orifice c) Pitot tube d) Nozzle

Define absolute pressure, atmospheric pressure.

Description : Define absolute pressure, atmospheric pressure.

Last Answer : Absolute Pressure : Absolute pressure is defined as actual total pressure including atmospheric pressure acting on a surface  Unit of absolute pressure is pounds per square inch absolute and it ... by the air surrounding to the earth. Unit of atmospheric pressure is Pounds per square inch.

What is an advantage of using bid rules? A. Full automation of your bidding B. Automation of your manual bid process C. Automatic application of phone call data to your bidding D. Receive bid assistance based upon the likelihood of a conversi

Description : What is an advantage of using bid rules? A. Full automation of your bidding B. Automation of your manual bid process C. Automatic application of phone call data to your bidding D. Receive bid assistance based upon the likelihood of a conversi

Last Answer : B. Automation of your manual bid process

What is the difference between active and passive transport?

Description : What is the difference between active and passive transport?

Last Answer : A: Active transport requires energy to move substances against their concentration gradient, while passive transport does not require energy and involves the movement of substances down their concentration gradient.