State the necessity of transducer.

1 Answer

Answer :

Necessity of Transducer: Input quantity for most of the Instrumentation systems is non – electrical quantity. To convert non- electrical quantities like heat, pressure, level, flow rate, humidity, temperature, etc. into electrical quantity in order to use electrical methods and techniques for measurement, manipulation and control, transducers are required.

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Description : Necessity of earthing

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

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Description : State the use of RADAR type level transducer & list two advantages.

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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

Description : List any two materials for Piezoelectric transducer.

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Description : List four electric pressure transducer.

Last Answer : List of electric pressure measuring devices: 1. Diaphragm with strain gauge 2. Bourdon Tube with LVDT 3. Differential Pressure cell 4. Piezoelectric type pressure transducer 5. Capacitance pressure transducer 6. Optical Pressure transducer 7. Resistive pressure transducer 

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

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Description : Define Analog Transducer and give examples of it

Last Answer : Analog Transducer: An analog transducer is a device that converts the input signal into a continuous DC signal of voltage or current. Examples: * Strain gauge * L.V.D.T * Thermocouple * Thermistor

Description : Piezoelectric Transducer is used to measure  (1) displacement (2) resistance (3) current (4) temperature

Last Answer : Piezoelectric Transducer is used to measure displacement 

Description : The transducer with negative temperature co-efficient of resistance is (A) Thermistor (B) Resistance Thermometer (C) Strain Gauge (D) Thermocouple

Last Answer : The transducer with negative temperature co-efficient of resistance is Thermistor

Description : What is a transducer and how does it work?

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Description : An accelerometer has input range of 0 to 10g, natural frequency 30 Hz and mass 0.001 kg. The range of the secondary displacement transducer in mm required to cover the input range is (A) 0 to 2.76 (B) 0 to 9.81 (C) 0 to 11.20 (D) 0 to 52.10

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Description : State two examples of active transducer.

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Description : State two examples of passive transducer.

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Description : State the necessity of fuse. 

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Description : State necessity of earthing.

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Description : State the principle of solar cell. What is necessity of series and parallel connection of solar cells.

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Description : Classify transducer. Write one sentence about each of them.

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Description : Explain how AC current is measured using hall effect transducer. 

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Description : Define the term Transducer and sensor.

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Description : Explain in brief AC Current , RMS Indication using Hall Effect Transducer.

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Description : Draw and explain in brief speed measurement using non-contact type transducer. 

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Last Answer : A

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Last Answer : A

Description : necessity of transmission of electricity.

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Description : Doctrine of necessity was used in the case of ________ for the first time in history. A. Dossai Vs State case B. Asma Jahangir Vs State case C. Maulvi Tamiz-ud-Din Vs State case D. Nusrat Bhutto Vs State case

Last Answer : ANSWER: C

Description : Doctrine of necessity was used in the case of ________ for the first time in history. A. Dossai Vs State case B. Asma Jahangir Vs State case C. Maulvi Tamiz-ud-Din Vs State case D. Nusrat Bhutto Vs State case

Last Answer : ANSWER: C

Description : Doctrine of necessity was used in the case of ________ for the first time in history. A. Dossai Vs State case B. Asma Jahangir Vs State case C. Maulvi Tamiz-ud-Din Vs State case D. Nusrat Bhutto Vs State case

Last Answer : ANSWER: C

Description : State the necessity of planning for the development of rural area.

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Description : State the necessity and importance of waterproofing in building construction.

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Description : State the necessity of providing (i) Combined column footing and (ii) Raft foundation

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Description : State the necessity of providing extra widening on horizontal curves.

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Description : State the necessity of Good drainage

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Description : State the necessity of providing catch water drain in Hill Roads.

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Description : State the necessity of brake 

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