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Instrumentation Engg GATE sample paper

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Printed Date: 23Feb2025 at 9:05pm


Topic: Instrumentation Engg GATE sample paper
Posted By: Priya
Subject: Instrumentation Engg GATE sample paper
Date Posted: 05Jan2007 at 3:33pm


1 In an INTEL 8085 microprocessor the ADDRESS-DATA bus and the DATA bus are
Options
A) Non multiplexed B) Multiplexed
C) Duplicated D) Same as CONTROL bus


Correct Answer B

2

A 3 ½ digit nultimeter has an accuracy specification of (± 0.5% of reading ± 5 counts). If the meter reads 2.00 mA on a full scale of 20mA, the worst-case error in the reading is
Options
A) 0.5% B) 2.5%
C) 3.0%   D) 5.5% 


Correct Answer C

3 The measurements of a source voltage are 5.9V, 5.7V and 6.1V. The sample standard deviation of the readings is
Options
A) 0.013 B) 0.04
C) 0.115 D) 0.2


Correct Answer D

4

Consider the  following systems:
System 2: G(s) =

1
2(2s+1)

System 1: G(s) =
1
2(5s+1)

The true statement regarding the system is
Options
A) Bandwidth of system 1 is greater than the bandwidth of system 2
 B) Bandwidth of system 1 is lower than the bandwidth of system 2
C) Bandwidth of both the systems are the same
 D) Bandwidth of both the systems are infinite


Correct Answer A

5 The transfer function of  a system is 
A
s2 + w2  
 The steady-state gain of the system to a unit-step input is
Options
A)
A
w2
B) 0
C) ¥ D) not possible to be determined


Correct Answer C

6 In 8085 microprocessor, CY flag may be set by the instruction
Options
A) SUB B) INX
C) CMA D) ANA


Correct Answer A

7 V1 and V2 are the input voltages of an instrumentation amplifier. The output of the instrumentation amplifier is found to be 100(V1 – V2) + 10-4 (V1 + V2). The gain and the common mode rejection ratio (CMRR) of the instrumentation amplifier respectively are
Options
A) (50, 60 dB)
 B) (50, 120 dB)
C) (100, 60dB)
 D) (100, 120 dB) 


Correct Answer C

8

The sequence x[n] whose z-transform is X[z] = e(1/Z) is
Options
A)
1
n!
u[n]		 B)
1
-n!
u[-n]
C) (-1)n  
1
n!
u[n]		 D)
1
-(n+1)!
u[-n-1]



9 The time taken by an ionized atom, of mass m kg and charge e Coulombs, pulsed into a field-free region with V volts, to reach a detector L meters away is 
Options
A)
1
L
Ö
m
2eV
B)

L

Ö
m
2eV

C) m
Ö
L
2eV
D)
2
L
Ö
m
2eV


Correct Answer B

10 The clock frequency of a timer-counter is 10MHz.  The timer-counter is used in the period mode and the input to the timer-counter is a square wave of frequency 2 kHz. The display of the timer-counter will show a value
Options
A) 200 B) 2000
C) 5000 D) 50000


Correct Answer C



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