RTU 2016 Question Paper Semester IV Automobile Engineering Mechanical Measurement and Control

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Time: 3 Hours
Maximum Marks: g0
Min. Passing Marks (Main &
Back): 26
I nstructions to Candi.date s : -
Min. Passing Marks (Otd Back):
24
Attempt any five questions,
serecting one question
Questions carry equal marks. from each unit. Ail
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must be shown
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units of quantities used/ carcurated
must be stated crearry.
use offollowing supporting
materiar is permitted during
examination.
(Mentioned in
form No.205)

UNIT-I
Q.l (a) Explain the types of measurement
with examples.
t8l
(b) Explain the working of hydraulic
load cell and optical pyrometer
with neat
sketch.
t81
OR
Q.l (a) State different performance
characteristic of an instrumentation
system. tgl
(b) List the applications of strain gauges
on rotating shafts with their
suitable
sketch.
tgl
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Page 1 of4
[13001

UNIT-II
Q.2 (a) Describe the working principal & construction of optical pyrometer. t8l
(b) Explain the mechanical & electrical methods for measuring the liquid level. t8I

OR

Q.2 (a) Explain the various temperature measuring transducers with neat sketches. t8]

(b) Classify flow measurement methods. Briefly explain any two secondary flow
meters. t8l
UNIT.III
Q.3 (a) What is open and closed loop control system? Explain with suitable example. t8l

(b) Using block diagram reduction technique reduce the system shown below and

find the transfer function t8l

n(s)

[4E2os4] Page2 of 4 [13001

AB
[8+8=16]
Q.3 Define any two:
(a) Components of an Analog Data Acquisition System'
(b) Components of Digital Data Acquisition System'
(c) Multichannel Data Acquisition System.

e.4 For a negative feedback control System having forward path transfer function.

G (s) -
K and H(s)=l
s (s+6)

(i) Determine the value of gain K for the system to have darnping ratio of 0.832.
(ii) For this value of gain K, determine the complete time response to an input
r(t) = 2u(t), where u(t) is a unit step function. [8+8=16]

OR

bY nodal
Q.4 (a) Explain the method of determining the mathematical modeling
analysis. l8l

(b) Explain the AC and DC servomotor. t8l

UNIT.V
the stability of the system
Q.s With the help of Routh - Hurwitz criterion comment upon

having the following characteristic equation

56 + 55+ 8sa+ 6s3+ 20s2+ 8s + 10 = 0 t16l

Page 3 of4 [1300]
l4Ezos4)

AB
function
feedback systemwith an open loop transfer
Q.s (a) skerch the root locus of unit

as K varied form o to
*'
t8I
G (s) 4 (s)=
s (s+2) (s+3)

G)Explainthestepsinvolvedindrawingtherootlocustechniqueq&findoutthe
t81
stabilitY of the sysrcm'

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