Thapar University 2006 B.Tech Applied Electronics and Instrumentation Measurement Science & Techniques - Question Paper
Thapar Institute of Engineering & Technology
B.Tech Electrical & Instrumentation (2ndYear)
Final Term exam
ES205 (Measurement Science & Techniques)
Thapar Institute of Engineering & Technology, Patiala Electrical & Instrumentation Engineering Department
Measurement Science & Techniques ES - 205 Instructors : Ml) Singh End semester Exam (Spl). 1l'h Dee 2006 Time: 3 Mrs. .Max Marks 50
Attempt ANY FIVE questions in given sequence
Q I a. Explain various elements of a generalized measurement system.
Q I b. Explain the principle, construction and working of RTD.
Q 2 a. Define Precision. Hysteresis and Accuracy.
Q 2 b. Draw the Equivalent diagram of Pie/co electric transducer.
Q 2 c. 1 low will you measure Voltage, frequency and Phase angle with CRO?
Q 3 a. Draw the block diagram of CRO and explain its various function blocks.
Q 3 b. What is Gaussian distribution curve of errors? Give its main features. Explain the concept of standard normal variate. and calculate integral probability at z =1.
Q.4 a. Write down a method to measure Torque.
Q 4 b. Draw the pin diagram of opamp 741.
Q 4 c. What are digital Transducers? Give their classification with diagrams..
Q 5 a. Writedown Principle, construction and working of Rotameter. Also write its merits & Demerits.
Q 5 b. Calculate the change in capacitance and sensitivity of the transducer used to measure
angular displacement of 15. Diameter of both plates is 1 inch and plates are separated by distance of 0.25 inch. Given e 3.183 x 10 F/cm.
Q 6 a. Draw the circuit diagram of Instrumentation Amplifier using OpAmps and write down the final output equation.
Q 6 b. In a Wheatstone bridge, three resistances arc 250S2. and one Strain Gauge of same resistance is used to measure temperature. If a 6 V battery with negligible internal resistance is used in the circuit, and a galvanometer of 100 O resistance measure 0.5|.iA current then measure the change in resistance.
Q 7. Attempt ANY l our from the given questions.
a) Give the significance of Telemetry.
b) Write down the classification of Display devices .
c) Explain any Electrical transducer to measure Pressure.
d) What is the significance of student's T-test?
o) Calculate the correlation coefficient between X and Y for given data
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