Making Measurements Flashcards
Each degree in an angle is divided into ____ & ____ units.
Minutes and seconds
What is the measure of how much matter is in an object?
Mass
What is the measure of the force of gravity on an object?
Weight
What is the rate at which work is done called?
Power
The amount of work the particle can do in going from a negative plate to the positive plate, divided by the amount of ____ will give you the potential difference?
Electrical charge
In the SI system what are the 7 base units?
Length, mass, time, temperature, electric current, amount of substance & luminous intensity
What does the prefix milli mean?
One- one thousandth (.001)
The SI unit of work called the ____ is defined in terms of force and distance.
Joule
What is the SI base unit of electric current?
Ampere
How much space is there when you have a clearance fit?
A very small amount of space
What tool can be used to scribe circles and transfer dimensions?
Divider
The balanced dail is graduated in ___ directions from 0 and is used for ___ measurements
Both, two way
Which side of the go, no- go gauge will not enter the right size hole?
No- go side
What unit is surface roughness measured in?
Microinches
What highly sensitive test is used for testing small parts?
Vickers test
X-ray can be used for testing where on an object?
Inside/ internal
What is the maximum slope of a pile before the sides begin to fall called?
Angle of repose
Number of Pi
3.14159
Change in displacement over time is?
Velocity
Velocity with no direction is called?
Speed
Velocity changing either speed or direction is called?
Acceleration
If a curve hasna short radius (sharp turn), the magnitude of the acceleration will be ___?
High
When the three forces acting on an object has a combined effect of 0, there is ___ change in acceleration and _____ change in direction moved.
No change, no change
Deformation is needed in order to measure what?
Force
What can be used to measure the mass of an object?
Balance
You can analyze force and tension by separating into ____ and ____ parts.
Horizontal & vertical
All substances, physical, biological, and chemical processes are affected by what temperatures?
Critical temperature
Order these colors in least hottest to hottest for visual metal temperature: white, red, yellow, orange
Red, orange, yellow, white
What temperature is it when all motion stops, even molecules?
Absolute zero temperature
What type of thermometer work almost instantly?
Optical pyrometers
Temperature at which water freezes?
0°C & 32°F
Liquid & glasses are together in a group called?
Fluids
The flow rate is the ___ of a fluid that moves past a point in time.
Volume
The density of a float must be lower or higher than the liquid?
Lower
Android barometers that measure pressure are filled with?
Air, have no liquid
What charge is in an electron?
Negative
How do the number of electrons inside a battery change?
It is always constant
What is electric energy measured in?
Voltz
The difference in what gives you potential difference?
Electric potential energy
One joule per second is a ___?
1 Watt
