Date post: | 04-Apr-2018 |
Category: |
Documents |
Upload: | rashid-iqbal-khan |
View: | 242 times |
Download: | 0 times |
of 16
7/30/2019 Measurement and Instrumentation IX
1/16
MEASUREMENT AND INSTRUMENTATION
Muhammad Sajjad
7/30/2019 Measurement and Instrumentation IX
2/16
THERMAL EXPANSION METHODS
Dimensions of all substances, whether
solids, liquids or gases, change with
temperaturemercury or colored alcohol
Industrial thermometer -200 to 1000 C
7/30/2019 Measurement and Instrumentation IX
3/16
if two strips of different metals are bonded together, any temperature change will
cause the strip to bend
It measures the displacement of the free
end for any given temperature change
Very little resistance must be offered to the end
of the strip, otherwise the spiral or helix will
distort and cause a false reading in the
measurement of the displacement
Used as temperature indicatorturn apointer of un-calibrated scale
Some produces electric output to give
displacement using LVDT
7/30/2019 Measurement and Instrumentation IX
4/16
relationship between volume and pressure according to Boyles law:PV = KT
change in pressure of the fluid is measured by a suitable pressure
transducer such as the Bourdon tube
Capillary tube should be 5 m long to remove environment disturbance
The quartz thermometer makes use of the principle that the resonant frequency
of
a material such as quartz is a function of temperature, and thus enables
temperature changes to be translated into frequency changes. The temperature-
sensing element consists of a quartz crystal enclosed within a probe (sheath)
Fiber opticthermomet
er
Self study
7/30/2019 Measurement and Instrumentation IX
5/16
velocity of sound through a gas varies with temperature according to theequation:
v = RT/M
It is used to measure cryogenic temperatures. What is cryogenic
temperatures???????
Color indicator works on the principle of that the color of various substances and
objects changes as a function of temperature
Normally used in furnaces to get the info about the temperature
The color-sensitive component within these is some form of metal salt (usually of
chromium, cobalt or nickel)
At a certain temperature,a chemical reaction takes place and a permanent
color change occurs in the paint or crayon, although this change does not
occur instantaneously but only happens over a period of time.
7/30/2019 Measurement and Instrumentation IX
6/16
GROUP PRESENTATIONS RULES(8 %)
Each group will spend 15 minutes on a given topics (noextra time will be given and marks will be deducted uponnot completing the task in an appropriate time)
An individual or all students of the group can give thepresentation
After presentation, there will be Questions /Answerssession (about 10 minutes).Questions can be asked byany student or teacher
No assurance of equal marks in a group
Minimum five groups will deliver their presentations in aday
Any student, misbehaving during presentation will expelfrom the class resulting zero number
It will be appreciated if you use English as communication
otherwise Urdu will be ok
7/30/2019 Measurement and Instrumentation IX
7/16
GROUP 1 (
Waqas Ahmed
Zubair Afzal
Yasir HussainNoman Ali
Rashid Iqbal
Ali Baig
7/30/2019 Measurement and Instrumentation IX
8/16
GROUP 2 ( )
M Ali Sharif
Shakeel Arshad
M Tayyab Adnan Asghar
Ashfaq Ahmed
Awais Ahmed
7/30/2019 Measurement and Instrumentation IX
9/16
GROUP 3 (
)
Hikmatullah Khan
Shujat Hussain
Abrar AhmedUbaidullah
Atif Nawaz
Waqas Ahmed
7/30/2019 Measurement and Instrumentation IX
10/16
GROUP 4 (
)
Tauqeer Ahmed
Sohaib Nazar
Tanzeel ur Rehman
M Haris
Zahid Ayaz
Sajjad Ali Shah
7/30/2019 Measurement and Instrumentation IX
11/16
GROUP 5 (
)
M Talha Arshad
Imran Khan
Tayyab AliNaveed Mustafa
Ammar Nawaz
M Umer Baig
7/30/2019 Measurement and Instrumentation IX
12/16
GROUP 6 (
)
Asad Mehmood
Ahsan Abdullah
Bilal AhmedMussab bin Misbah
Jawad Zafar
Hasnat Mubarik
7/30/2019 Measurement and Instrumentation IX
13/16
GROUP 7 (
),
Nasir Rafique
Waheed Murad
Hanzalla
Danish
Sikandar
Fayyaz Azam
7/30/2019 Measurement and Instrumentation IX
14/16
GROUP 8 (
)
Farrukh Abbas
Waqas Haider
Saleh Riaz M umair
Waqas Rashid
Uzair Ahmed
7/30/2019 Measurement and Instrumentation IX
15/16
GROUP 9 ( )
H M Muzammil
Tauqeer Ahmed
Shawaiz RafaqatM Usman Baig
Saad Jillani
Nida Fatima
7/30/2019 Measurement and Instrumentation IX
16/16
GROUP 10 (
)
Zubair Ahmed Khan
M Shoaib
TassawerHaneef
Abdullah Abbasi
Adnan Hamid