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Third 6 Month (Elect.) > TPC 104 > Flashcards

TPC 104 Flashcards

1
Q

For very precise angle measurements degrees are divided into____ and ____

A

Minutes
Seconds

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2
Q

The force of gravity on an object is its ____. The measurement of how much matter is in an object is its ____.

A

Weight
Mass

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3
Q

If a force of 250 pounds acts on an object and moves it 10 feet, how much work has been done?

A

2500 foot pounds

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4
Q

The rate at which work is done is called ____. It is measured in ____.

A

Power
Foot-pounds per second

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5
Q

The amount of work a particle can do in going from the negative plate to a positive plate, divided by the amount of electrical charge on the particle, is called:

A

Potential difference

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6
Q

SI base units include length, mass, time, temperature and

A

Electrical current

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7
Q

The prefix milli- indicates one

A

Thousandth

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8
Q

The ampere is the SI base unit for all measurements of

A

Current

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9
Q

When should you convert metric measurements to standard US measurements?

A

As rarely as possible

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10
Q

Work is the product of force and ____. It is expressed in ____.

A

Distance
Joules

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11
Q

What is the decimal equivalent of 5/8 of an inch?

A

0.6250 in.

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12
Q

Which tool is used in layout work for scribing circles and transferring dimensions between a scale and the work?

A

Divider

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13
Q

In a clearance fit two parts fit together…

A

With a little room to spare

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14
Q

A vernier scale indicates zero when ____ align with the marks on the main scale

A

Both ends

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15
Q

A balanced dial on a dial indicator is graduated in ____ directions from zero. It is used for ____ -way comparison measurements.

A

Both
Two

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16
Q

If a hole is too large, which ends of a “go, no-go” plug gauge fit into the hole?

A

Both ends

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17
Q

Surface roughness is measured in…

A

Micro inches

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18
Q

During production, the hardness of small parts is often check by means of the highly sensitive ____ hardness tester

A

Vickers

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19
Q

X-ray equipment is used for making ____ inspections of manufactured parts.

A

Internal

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20
Q

The maximum slope at which a pile of loose material will stay without sliding, is called the angle of

A

Repose

21
Q

The area of a parallelogram is measured in

A

Ft^2

22
Q

Which of the following is the best approximation of the value of pi?

A

3.14159

23
Q

On the earths surface, the strength of gravity generally is ____ at low
elevations, and ____ at high elevations. Gravity at the center of earth ____.

A

Strongest
Weakest
Is zero

24
Q

How many board feet of lumber are there in 150 running feet of 2 x 4 studs?

A

100

25
Q

Velocity refers to the ratio of change in ____ to the amount of ____.

A

Displacement
Time

26
Q

Speed is the magnitude of ____ without the ____.

A

Velocity
Direction

27
Q

If an object accelerates, there is a change in its ____.

A

Direction or speed or both

28
Q

An object moves at a constant speed along a curved path. At the point where the path curves most sharply, the object has the

A

Highest acceleration

29
Q

The force of gravity on an object is called

A

Weight

30
Q

A moving object has three forces acting on it. The combine effect of all three forces is zero. The moving object will ____ speed and will ____ direction.

A

Not change
Not change

31
Q

Measuring deformation is necessary in order to measure

A

Force

32
Q

You can calculate the combined effect of several forces by first separating each force into its

A

Horizontal and vertical parts

33
Q

A temperature at which some physical event occurs is called a ____ temperature

A

Critical

34
Q

If a metal is heated to higher and higher temperatures, it first glows ____, then ____, and then ____.

A

Red
Orange
Yellow

35
Q

What is the freezing temperature of water?

A

0°C

36
Q

The temperature at which molecular motion stops is called?

A

Absolute zero

37
Q

Which device measures temperature most quickly?

A

Optical pyrometer

38
Q

A fluid is a

A

Liquid or a gas

39
Q

If a solid has a density greater than that of a liquid into which it is placed, the solid will

A

Sink in the liquid

40
Q

The flow rate of a moving fluid is a measure of the ____ of the fluid that moves past a given point in a given time

A

Volume

41
Q

When you read a psychrometer, the dewpoint is ____ temperature.

A

Lower than the wet-bulb

42
Q

An aneroid barometer contains

A

No liquid

43
Q

What kind of charge does an electron carry?

A

Negative

44
Q

The number of electrons inside a battery is always

A

Constant

45
Q

Electrical energy per unit of charge is measured in

A

Volts

46
Q

Potential difference is the difference in electrical ____ between two places.

A

Potential energy

47
Q

One joule per second is called one

A

Watt

48
Q

The instrument that compares the mass of an object to a known mass is called

A

Balance

Third 6 Month (Elect.) (8 decks)

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