P F Raval

Chapter 10 : Transducers

1) Explain in brief CAPACITANCE type transducer?

2) State the working of PIEZO electric transducer?

3) Differentiate between PRIMARY and SECONDARYTRANSDUCER?

4) Define transducer: Give tree example of it state function of transducer.

5) Differentiate ACTIVE and PASSIVE transducer?

6) Discuss the LVDT to explain various stage of generalized measuring system.

7) Write S.N. on strain gauge transducers.

8) State principle of SELF GENERATING and ANALOG transducers.

9) Give concept of RESISTANCE type transducer and explain working of it?

Chapter 11 : Temprature Measurment

Q1.name different types of expansion thermometer &explain all

Q2.difference between resistance thermometer & thermister & application of each

Q3.describe working principal of optical pyrometer with neat sketch

Q4.list the errors of temp measurement and method to privent it

Q5.state the principal of thermo electric emf  List common combination of metal used in thermo couple

Q6.explain principal &working of radiation pyrometer with application and its merit &demerits

Q7.write short note on calibration of thermometer

Chapter 12 : Pressure Measurment

1. Explain cistern manometer with neat sketch.

2. State and explain working principle of Pressure capsules.

3. List various sensing element used in pressure gauge. Describe ‘Burdon-tube Pressure Gauge’ with neat sketch.

4. Explain in detail : Dead weight piston gauge.

5. Explain calibration procedure of “Mercury bulb thermometer”.

6. Write s.n. on.

   1. “LVDT type pressure gauge transducer”.

   2. Inclined manometer.

   3. U-tube manometer.

   4. Bellow type presure gauge

   5. Resistance type pressure transducre

   6. Capacitance type pressure transducre.

1. Name the obstruction meters used to measure the flow rate and explain all in brief.

2. Explain with neat sketch of “Nutating disk meter” with advantages and disadvantages.

3. Explain the construction and working principle of “hot-wire anenometer” with advantages and disadvantages.

4. Limitation and advantages of Rota meter.

5. Explain difference between volumetric flow meter and rate flow meter. Give three example of each type.

6. write short-note on:-

                                I.      Rotating lobes meter

                             II.      Electromagnetic meter

                           III.      Ultrasonic meter

                          IV.      Reciprocating piston meter

                             V.      Turbine flow meter

                          VI.      Mass-flow meter

 By PFR