Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) (EEE)- Electrical And Electronics Engineering 2020 December 3rd Sem 57094 Electrical Measurements And Instrumentation Previous Question Paper
Roll No.
Total No. of Pages : 02
Total No. of Questions : 17
B.Tech.(EE) (2012 Onwards)/(Electrical & Electronics Engg.)
(2011 Onwards)/B.Tech. (Electronics & Electrical Engg./ Electrical
Engineering & Industrial Control) (2012 to 2017) (Sem.?3)
ELECTRICAL MEASUREMENTS AND INSTRUMENT ATION
Subject Code : BTEE-303
M.Code : 57094
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Answer briefly :
Q1
Differentiate between Analog and Digital measuring instrument.
Q2
Describe the Resistance, capacitance and induction with their SI units.
Q3
Describe the features of instrument transformers.
Q4
What is dynamometer?
Q5
Explain the pointers and scales for Analog measuring instruments.
Q6
What is the major cause of creeping error in an energy meter?
Q7
What is self-balancing potentiometer?
Q8
What is meant by dc potentiometer and ac potentiometer and its applications?
Q9
Explain the energy meter and its sources of error.
Q10
What is meant by damping torque?
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SECTION-B
Q11
Describe the principal of operation of induction meter also measure its voltage, current,
power for ac circuits?
Q12
How the AC testing of magnetic material is done and also explain the B-H curve?
Q13
Describe how a DC potentiometer, and its modern form works?
Q14
Define Bridge and also differential between the various types of bridges used.
SECTION-C
Q15
Define Instrument Transformer and explain the construction of both current and potential
transformer.
Q16
Draw the circuit diagram of AC Bridge. Derive the conditions for balancing the bridge
and draw the phasor diagram during balanced condition.
Q17
Write short notes on :
a. PMMC
b. Torque
c. Muti-meter
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 13 February 2021