Solutions to Homework 2
3.3
Values given are: V = 20 Volts, R1 R2 1000 , Rm 9500 .
(i)
Let the current flowing round the circuit with the voltmeter in position be I.
The resistance R A B is composed of two resistances R2 and Rm in parallel. The value of R

Probiem 1: Reynolds number for pipe flow with uncertainty
LM
P. w- fa.
K94 7; a)
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gm 2: 52 cfw_33/ i 05 /c J $0: if;
m1 =5
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Chapter 15
Pressure Measurement
Next most common measurement in industry next to temperature
Quantified 3 ways:
Absolute pressure: The difference between fluid pressure and
absolute zero or perfect vacuum
Gauge pressure: The difference b/n fluid pressur

Chapter 14: Temperature Measurement
Most commonly measured process variable
For calibration, reproducible reference points are the standards.
IPTS International Practical Temperature Scale:
Triple point of hydrogen:-259.35C
Triple point of neon:
-248.5939

2.4 Dynamic Characteristics
What happens to instrument during operation at times where there
is no equilibrium?
For a linear, time-invariant measuring system, relationship of output & measurand:
Output
Where:
,
Measurand
2.4.1 Zero-Order Instruments:
No

Chapter 12
Measurement Reliability and Safety Systems
Faults of the measurement system (software and hardware)
At best, impair the performance of the system
At worst, cause the system to stop working entirely
Measurement system reliability
Safety of an

Solutions to Homework 1
1.2
1.4
Three areas for application:
Regulating trade
Monitoring functions
Part of Automatic Feedback system
2.2
2.4
2.5
Static Characteristics occur when instruments output is at steady state whereas dynamic
characteristics occur

BE 2350
Solutions to Homework 3
Problem 1: The shear modulus, G, of an alloy can be determined by measuring the angular twist, ,
resulting from a torque, T, applied to a cylindrical rod made from the alloy. For a rod of radius, R, a
torque is applied at a

Lab 2
Sean Guilbeau
BE 2350 001
Introduction/ Purpose:
On the 30th of January 2017, my class and I delved into practical learning that utilized an Arduino. We
modeled different circuits and learned how different types of resistors and sensors can affect a

Lab 1
Sean Guilbeau
BE 2350 001
Introduction/ Purpose:
On the 23rd of January, my class and I delved into the topic of multimeters, breadboards, and soldering.
We learned some of the different measurements that can be performed with the mulitmeter and
bre

Lab 4
Sean Guilbeau
BE 2350 001
Introduction/ Purpose:
In this lab, we learned about how to properly read a schematic diagram of a circuit. We also increased
our circuit modeling techniques by introducing new circuit components such as voltage dividers, t

Lab 3
Sean Guilbeau
BE 2350 001
Introduction/ Purpose:
On the 6th of February 2017, my class and I continued our practical learning skills with circuits by
modeling more circuits that were more difficult to assemble. We utilized many new elements such as

Lab 5
Sean Guilbeau
BE 2350 001
Introduction/ Purpose:
In this lab, we learned how to program a circuit with code in the Arduino. We created a program that
sends a signal to the LED lights in the circuit and commands them to illuminate at specified comman

Lab 3
Executive Summary #3: Leila Chowdhury
Introduction: This weeks lab focused on building the last 8 circuits in the SIK RedBoard Guide. We
learned about various new components. This weeks circuits were more difficult than the circuits we
worked on pre

Leila Chowdhury BE 2350
Executive Summary- Lab 1
Introduction
The purpose of this lab was to introduce the basic electronic equipment we will be using
throughout the semester. This knowledge will help us further our understanding of electronics and how
to

Solutions to Homework 4
Problem 1:
The resistive components in a D.C. bridge have the following values:
R1 = 400
R2 = 4000
R3 = 4000
The nominal value of Ru is 400 . So, if the input voltage of the bridge is 12 V and the output reading (V o) is 40 mV,

Solutions to Homework 2
3.1 Systematic errors are consistently on 1 side of the correct reading, random errors are perturbations on either side of the
correct answer.
3.7
(a) The question requires the application of Thvenin's theorem to the circuit.
It is

BE 2350
Homework 7
Assigned 3/23/15 and due 3/30/15
Problem 1: The U-tube manometer below contains two liquids. Liquid A has a specific gravity of 0.92
and liquid B = 2.1. Calculate the deflection, h, when the applied pressure difference is P1 P2 = 960 Pa

NAME SEC#
BE 2350 Homework 5
In class assignment for 2/25/15
This homework is over the content from Chapter 13. Please use your text and class notes.
1. In 12 sentences, define what a capacitive sensor consists of and what the 2 forms ofthem are. l
COA3I5

BE 2350
Homework 6
Assigned 3/16/15 and due 3/23/15
Problem 1: The energy emitted from a piece of metal is measured by a radiation thermometer, and the
temperature is determined to be 727 C, assuming a surface emissivity of 0.85. It is later found that th

Homework 10 due Monday 4/29 NAME
l) (5 points)
21) Draw the schematic for both an inverting and non-inverting op amp and provide the gain equation for
each, \
(Label the Vin, Vout, R1, R2, Rf, and Ground, as well as, the - and Jr terminals of the 0p amp

Solutions to Homework 4
Problem 1:
The resistive components in a D.C. bridge have the following values:
R1 = 300
R2 = 3000
R3 = 3000
The nominal value of Ru is 300 . So, if the input voltage of the bridge is 12 V and the output reading (Vo) is 40 mV, t

Solutions to Homework 2
3.1 Systematic errors are consistently on 1 side of the correct reading, random errors are perturbations on either side of the
correct answer.
3.7
(a) The question requires the application of Thvenin's theorem to the circuit.
It is

BE 2350
Homework 8
Assigned 3/30/15 and due 4/15/15
Problem 1: A venturi meter has an inlet of 25 cm and a throat of 12 cm diameter. Its coefficient of
discharge is .98.
a) Calculate the volume flow rate of water through the pipe if the pressure differenc

BE 2350
Homework 9
Assigned 4/13/15 and due 4/20/15
Pg 496 18.1 What is the difference b/n mass and weight? Discuss briefly the 3 main methods of
measuring the mass of a body
Gravity
Load cells, spring balance, mass balance see pages 479 487 for details
1

Lecture 4
3.1 Systematic errors:
Errors consistently on one side of the correct reading
Sources:
System disturbance
Orifice plate flowmeter
Using multimeter to read voltage from a electrical circuit
Environmental changes
Instrument wear (bent needl

Chapter 7
Electrical Indicating and Test Instruments
Most measuring instruments convert the measurand into an electrical signal.
Usually voltage, but sometimes as signal frequency or phase changes (Hz)
Magnitude of voltage signals can be measured by:
El

14.7
14.9
(
) (
)
The value is 4.21 mV. Hence, the predicted temperature has to be calculated by interpolating between
the two closest e.m.f. values, which are 3.988 mV at 140 C and 4.301 mV at 150 C:
4.21 3.988
Therefore, the fluid temperature
10 140

Lecture 5
Last class we left off at:
3.4 Quantifying measurement systematic errors, Measurement
uncertainty
The root-sum-squares method (or RMS) to ESTIMATE error:
The Kline and McClintock experimental uncertainty eqn:
Shortcut for product functions: (fra