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Exam 1
MOM Lab
18
Mechanical Engineering
Undergraduate 3
10/04/2011

Additional Mechanical Engineering Flashcards

 


 

Cards

Term

 

 

 

Transducer

Definition

 

 

 

device that converts one type

of energy to another

Term

 

 

 

Accuracy

Definition

 

 

 

 

Closeness of the true measured

value to an actual value

Term

 

 

 

 

Precision

Definition

 

 

 

Repeatability,

Cluster

Term

 

 

 

 

Sensivity

Definition

 

 

 

 

smallest quantity that can

be measured by a system

Term

 

 

 

 

Resolution

Definition

 

 

 

Minimum distance or value

between two readings

where they are still seen

as two values

Term

 

 

 

 

LabVIEW

Definition

 

Labpratory Virtual Instrument (VI)

Engineering Workbench

 

data analysis, data acquisition,

data presentation, datastorage,

signal generation, signal processing,

filtering, arithmetic funcGons

Term
[image]
Definition

 

 

 

High Accuracy, low Precision 

Term
[image]
Definition

 

 

 

 

High Precision, low accuracy

Term

 

 

 

Sensitivity

Definition

 

 

 

a measure of the smallest

signal the instrument can measure.

Term

 

 

 

Resolution

Definition

 

 

the smallest amount of

input signal change that the instrument

can detect reliably.

This term is determined by

the instrument noise

Term

 

 

 

 

USB 6009

Definition

 

 

 

14 bit 48 kS/s

Term

 

 

 

Types of Errors

Definition

 

 

--Systematic (bias) β

--¬ĀRandom (precision) ε

Term

 

 

 

 

β

Definition

 

 

 

 

Systematic error (bias)

Term

 

 

 

ε

Definition

 

 

 

 

Random error (precision)

Term

 

 

 

 

δ

Definition

 

 

 

 

error for single measurement xi

Term

 

 

 

When was first SG

Definition

 

Lord kelvin in 1856 resistance goes up

w/ applied strain

 

1930- fist sg made

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