AALIM MUHAMMED SALEGH COLLEGE OF EMGINEERING DEPART DEPARTMENT MENT OF ELECTRONICS & COMMUNICATION EC2351 MEASUREMENTS AND INSTRUMENTATION MODEL QUESTION PAPER PAPER (SET-I) YearIII Sem!I
Time : Three hours
Ma"#$%$ 1 $ar' A*er ALL +%e,# PART A . (1 / 2 0 2 $ar')
1 Me,# ,e ##4#ae 4 $ea%re$e, 2 C$6are M7# #8 *#, M7# #r #,r%$e, 3 Dra* ,e #,era8 ,r%,%re 4 CRT a9 8#, #, 4%,# : ;a, are ,e ,* ##4#a, ##4#a, 6r<8e$ *#, 9#9e *e %e9 4r 4r RF re,#4#a,#= 5 ;a, # >ar'a%e Cr#,er#a 4r %,a#e9 #88a,#= ? Dra* ,e <8' 9#ara$ 4 6e,r%$ aa8@er B ;a, are ,e a97a,ae 4 9##,a8 #,r%$e, 7er aa8 #,r%$e,= ;a, are ,e 9#44ere, ,@6e , @6e 4 D##,a8 !8,$e,er= !8,$e,er= Dra* ,e <8' 9#ara$ 4 D##,a8 Da,a A+%##,# S@,e$ 1 ;a, are ,e 'e@ 4ea,%re 4 4%88@ a%,$a,# 9##,a8 #,r%$e,=
PART > . (5 / 1? 0 $ar')
11 (a) (#) ;a, # ,e ee9 4r ,a9ar9 4 $ea%re$e,= H* ,e@ are 8a#4#e9= E"68a# () (##) H* ,e %'* 4re+%e@ # $ea%re9 %# %# ;#e
r#9e= ()
12(a) (#) E"68a# ,e ,@6e 4 ,rae #886e *#, a ea, <8' 9#ara$ (1?)
Or (<) (#) D#% ,e $ea%re$e, 4 DC a9 AC 78,ae a9 %rre, %# a E8e,r# M%8,#$e,er () (##) Dra* ,e <8' 9#ara$ 4 Tr%e RMS rea9# 78,$e,er a9 e"68a# #, 6era,# () 13 (a) (#) E"68a# * 4%,# eera,r eera,e #e *a7e ,r#a%8ar *a7e a9 +%are *a7e () (##) Dra* ,e <8' 9#ara$ 4 *ee6-4re+%e@ eera,r a9 e"68a# () Or (<) (#) ;a, # *a7e aa8@er= H* #, aa8@e ,e ar$#= E"68a# () (##) E"68a# ,e 7e,r e,*r' aa8@er a9 8#, #, a668#a,# ()
1: (a) (#) H* $6%,er ,r88e9 $ea%re$e, @,e$ # %e9 4r ,e,# ra9# ree#7er= () (##) ;a, # 7#r,%a8 #,r%$e,= L#, ,e a97a,ae 4 7#r,%a8 #,r%$e, 7er 7e,#a8 #,r%$e, () Or
(<) (#) ;#, eear@ 9#ara$ e"68a# Ra$6 ,@6e 9##,a8 78,$e,er () (##) Dra* ,e <8' 9#ara$ 4 9##,a8 4re+%e@ $e,er a9 e"68a# ()
15 (a) (#) ;a, are ,e 4a,r ,
AALIM MUHAMMED SALEGH COLLEGE OF EMGINEERING DEPARTMENT OF ELECTRONICS & COMMUNICATION EC2351 MEASUREMENTS AND INSTRUMENTATION MODEL QUESTION PAPER(SET-II)
YearIII
Time : Three hours
Sem!I
Ma"#$%$ 1 $ar' A*er ALL +%e,# PART A . (1 / 2 0 2 $ar')
1 A e, 4 #9e6e9e, %rre, $ea%re$e, *ere rer9e9 a 13111111Ca8%8a,e ,e rae 4 a errr 2 H* # #,era,#a8 ,a9ar9 4 8e, # 9e4#e9= 3 C$6are aa8 ,rae #886e *#, 9##,a8 : ;a, # ,e 4%,# 4 a e8e,r %= 5 De4#e *ee6 ? ;a, # #,er$9%8a,# 9#,r,#= B ;@ S$#,, ,r#er # %e9 # 9##,a8 4re+%e@ $e,er= Dra* ,e <8' 9#ara$ 4 I,era,e9 D!M ;a, # ,e ee9 4r 9a,a 8er 1 L#, ,e e8e$e, 4 9##,a8 9a,a a+%#,# PART > . (5 / 1? 0 $ar')
11 (a) (#) E"68a# ,e *r'# 6era,# 4r PMMC & 9er#7e #, ,r+%e e+%+,# () (##) E"68a# ,e ,@6e 4 errr () Or
(<) (#) ;a, are ,e 9#,# 4r r#9e & a8 9ra* ,e 6ar 9#ara$= ()
12(a) (#) Dra* ,e <8' 9#ara$ 4 a$68# #886e a9 e"68a# ,e 6r##68e () (##) H* , $ea%re 8are Ca6a#,r& $a88 #8 %# Q-$e,er ()
Or (<) (# ) E"68a# 7e,r #$6e9ae $e,er *#, a ea, <8' 9#ara$() (##) H* , $ea%re RF 78,ae &6*er %# RF $#88#78,$e,er= ()
13 (a) (#) E"68a# RF #a8 eera,r () (##) Dra* ,e <8' 9#ara$ 4 D##,a8 6e,r%$ aa8@er a9 e"68a# () Or (<) (#) E"68a# 4re+%e@ e8e,#7e *a7e aa8@er= (##) H* ,e 4%9a$e,a8 4re+%e@ # %66ree9 %# 4%9a$e,a8 %66re# 9#,r,# aa8@er ()
1: (a) (#) E"68a# * , e",e9 ,e 4re+%e@ rae 4 %,er=() (##) H* , $a'e a%,$a,# 68ar#,@ #9#a,#& a%,$a,# ra# # 9##,a8 #,r%$e,a,#() Or (<) (#) ;#, eear@ 9#ara$ e"68a# ,@6e 4 9##,a8 78,$e,er (1?)
15 (a) (#) ;#, ea, 9#ara$ e"68a# ,e Sa4, e9er() (##)) Dra* ,e <8' e$a,# re6ree,a,# 4 ,e IEEE : #,r%$e,a,# <% a9 e"68a# #,()
Or < E"68a# ,e 488*# #AD $%8,#68e"#(5) ##DA $%8,#68e"#(5) ###I8a,# a$68#4#er(?)
AALIM MUHAMMED SALEGH COLLEGE OF EMGINEERING DEPARTMENT OF ELECTRONICS & COMMUNICATION EC2351 MEASUREMENTS AND INSTRUMENTATION MODEL QUESTION PAPER(SET-III)
YearIII
Time : Three hours
Sem!I
Ma"#$%$ 1 $ar' A*er ALL +%e,# PART A . (1 / 2 0 2 $ar')
1 ;a, are ra9$ errr= 2 De4#e 9@a$# errr 3 ;a, are ,e 7ar#% %re 4 errr # Q-Me,er= : ;a, # '* a 48%reee= 5 ;a, are ,e a%e 4 9#,r,#= ? ;a, # re8%,# # FFT 6e,r%$ aa8@er= B ;a, # 44e, %rre, errr= ;a, # ,e ee9 4r 6er#9 $ea%re$e,= ;@ ATN 8#e # %e9= 1 ;a, # $ea, <@ ,a8'er 8#,eer ,r88er= PART > . (5 / 1? 0 $ar')
11 (a) (#) E"68a# ,e *r'# 6era,# 4r $7 # #r #,r%$e, & 9er#7e #, ,r+%e e+%a,# () (##) E"68a# ,e ,@6e 4 S,a,# ara,er#,# () Or
(<) (#) H* 9 @% $ea%re ,e %'* #9%,ae %# Ser# >r#9e & a8 9ra* ,e 6ar 9#ara$= () (##) H* 9 @% $ea%re ,e %'* #9%,ae %# A9er >r#9e & a8 9ra* ,e 6ar 9#ara$= ()
12(a) Dra* ,e <8' 9#ara$ 4 eera8 6%r6e #886e a9 e"68a# ,e 6r##68e (1?) Or
(< ) E"68a# 7e,r $e,er *#, a ea, <8' 9#ara$(1?)
13 (a)(#) Dra* ,e <8' 9#ara$ 4 D##,a8 RLC $e,er a9 e"68a# (?) (##) E"68a# ,e *ee6 4re+%e@ eera,r(1)
Or (<) E"68a# ,e 9#44ere, ,@6e 4 4re+%e@ @,e#er(1?)
1: (a) E"68a# A%9# a$68#4#er &ra9# ree#7er *#, a ea, <8' 9#ara$(1?) Or (<) ;#, eear@ 9#ara$ e"68a# a%,$a,# # 9##,a8 #,r%$e, (1?)
15 (a) (#)H* #a8 # ,ra$#,,e9 # a $#r6rer @,e$(1?) Or (<) E"68a# ,e I,r%$e, %e9 # $6%,er ,r88e9 #,r%$e,a,#(1?)
EC 2351 MEASUREMENTS AND INSTRUMENTATION UNIT I BASIC MEASUREMENT CONCEPTS 2 MARKS
1 ;a, # $ea <@ $ea%re$e,= 2 ;a, are ,e $a# 4%,#a8 e8e$e, # $ea%re$e, @,e$= 3 H* are #,r%$e, 8a#4#e9=
: De4#e ,a,# errr 5 De4#e a%ra@ ? De4#e e#,#7#,@ B De4#e 9ea9 ,#$e ;a, # e7#r$e,a8 errr= ;a, are ra9$ errr= 1 De4#e 9@a$# errr 16 MARK QUESTIONS
1 D#% 9#44ere, ,@6e 4 S,a9ar9 4 $ea%re$e, C8a#4@ a9 e"68a# ,e 9#44ere, ,@6e 4 S,a9ar9 4 $ea%re$e, 2 D#%
: ;#, ea, 9#ara$ e"68a# ,e ,r%,# *r'# ,r+%e e+%a,# a9 a97a,ae 9#a97a,ae 4 PMMC #,r%$e, 5 E"68a# a@ e
UNIT II BASIC ELECTRONIC MEASUREMENTS 2 MARKS
1 ;a, are ,e $a# 6ar, # CRO= 2 ;a, # ,e 6%r6e 4 ,#$e
1 E"68a# ,e $a# 6ar, # CRO 2 E"68a# ,e $a# 6ar, # CRT 3 E"68a# *#, <8' 9#ara$ 4 S*ee6 4re+%e@ eera,r : E"68a# *#, <8' 9#ara$ 4 9%a8
5 E"68a# *#, <8' 9#ara$ 4 9%a8 ,rae #886e ? E"68a# ,e *r'# 6r##68e 4 a 7e,r 78,$e,er *#, ,e e86 4 a ea, <8' 9#ara$ B ;#, a ea, <8' 9#ara$ e"68a# ,e 4%,# 4 a eera8 6%r6e #886e E"68a# 9#44ere, ,@6e 4 6*er $ea%re$e,
UNIT III SIGNAL GENERATORS AND ANAL!ERS 2 MARKS
1 ;a, # a #88a,r= 2 ;a, # '* a 9%,@ @8e= 3 De4#e R#e ,#$e 4a88 ,#$e : De4#e 9r6 5 De4#e r%9# ? De4#e 6%8e *#9, B De4#e 6%8e 6er#9 ;a, # a *ee6 4re+%e@ eera,r= ;a, are ,e a%e 4 9#,r,#= 1 ;a, # re8%,# # FFT 6e,r%$ aa8@er= 16 MARK QUESTIONS
1 E"68a# * 6*er # $ea%re9 # a 6,#a8 4#
1 ;a, # aa8 #,r%$e,= 2 ;a, # 9##,a8 #,r%$e,= 3 ;a, # D!M= : ;a, # '* a +%a,#a,#= 5 ;a, # '* a +%a,#a,# errr= ? H* # DC %rre, $ea%re9 # 9##,a8 $%8,#$e,er= B ;a, # 44e, %rre, errr= ;a, # ,e ee9 4r 6er#9 $ea%re$e,= 16 MARK QUESTIONS
1 E"68a# *#, ea, 9#ara$ (#) S#8e 86e ADC (##) S%e#7e a66r"#$a,# ADC 2 Dra* ,e C#r%#, 9#ara$ 4r <#, <#ar@ *e#,e9 re#,r DAC & <,a# a e"6re# 4r %,6%, 78,ae 3 ;r#,e r, ,e F8a ,@6e ADC : E"68a# *#, <8' 9#ara$ ,e 6era,# 4 ra$6 ,@6e D!M 5 Dra* a9 e"68a# ,e #r%#, 9#ara$ 4 D##,a8 4re+%e@ $e,er
UNIT " DATA ACQUISITION SSTEMS AND #IBER OPTIC MEASUREMENTS 2 MARKS
1 ;a, # $ea, <@ 9a,a a+%##,#= 2 ;a, # a $%8,#68e"er= 3 ;a, are ,e ,* ,@6e 4 MU 6era,#= : ;a, @% $ea <@ ATE= 5 ;a, # IEEE : <% @,e$= ? ;@ ATN 8#e # %e9= B ;a, # $ea, <@ ,a8'er 8#,eer ,r88er= ;a, are ,e ,ree 8a@er # OFC= 16 MARK QUESTIONS
1 ;#, ,e e86 4 <8' 9#ara$ e"68a# ,e 9a,a a+%##,# @,e$ 2 ;#, ,e e86 4 <8' 9#ara$ e"68a# aa8 , 9##,a8 $%8,#68e"# 3 E"68a# *#, <8' 9#ara$ ,e a%,$a,# ,e, @,e$ , aa8@e a a%9# a$68#4#er & ra9# ree#7er : H* #a8 # ,ra$#,,e9 # a $#r6rer
