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MMeas > 1st 6 Months > Flashcards

1st 6 Months Flashcards

1
Q

For every precise angle measurements, degrees are divided into _______ and _________.

A

Minutes and seconds

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2
Q

The force of gravity on an object is its _________. The measure 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 a 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

Work is the product of force and _______, expressed in _______.

A

Distance / Joules

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9
Q

The ampere is the SI base unit for all measurements of electric

A

Current

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10
Q

When should you convert metric measurements to standard U.S. measurements?

A

As rarely as possible

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11
Q

What is the decimal equivalent of 5/8 in?

A

0.6250in

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12
Q

What is the decimal equivalent of 5/8

A

0.6250 in

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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

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

A

Divider

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15
Q

What is the reading on the Vernier scale beloe?

A

3.059

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16
Q

A Vernier scale indicates zero when _______ align with marks on the main scale.

A

Both ends

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17
Q

A balanced dial on a dial indicator is graduated in ________ direction(s) from zero. It is used for _______ way comparison measurements.

A

Both / Two

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18
Q

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

A

Both ends

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19
Q

Surface roughness is measured in

A

microinches

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20
Q

During production, the hardness of small parts is often checked by means of the highly sensitive _______ hardness tester.

A

Vickers

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21
Q

X-Ray equipment is used for making ______ inspections of manufactured parts.

A

internal

22
Q

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

A

Repose

23
Q

The area of a parallelogram is measured in

A

square ft (ft2)

24
Q

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

A

3.14159

25
Q

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

A

Strongest / weakest / Zero

26
Q

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

A

Formula length x width x highth ÷ 12

150ft x 2 x 4 ÷ 12 = 100

27
Q

Velocity refers to the ratio of change in _______ to the amount of ________.

A

Displacement / time

28
Q

Speed is the magnitude of _______ without the _________ .

A

Velocity / Direction

29
Q

If an object accelerates, there is a change in its

A

Direction or speed or both

30
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

31
Q

30

A

acceleration / zero

32
Q

The force of gravity on an object is called

A

Weight

33
Q

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

A

Not change / Not Change

34
Q

Measuring a deformation is necessary in order to measure

A

Force

35
Q

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

A

Balance

36
Q

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

A

Horizontal and Vertical parts

37
Q

A temperature at which some physical event occurs is called a _________ temperature.

A

Critical

38
Q

If metal is heated to higher and higher temperatures, it first glows ________, then _______, and then ________.

A

Red, Orange, Yellow

39
Q

What is the freezing temperature of water?

A

0 degrees C

40
Q

The temperature at which molecular motion stops is called

A

Absolute Zero

41
Q

Which device measures temperature most quickly?

A

Optical Pyrometer

42
Q

A fluid is a

A

Liquid or gas

43
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

44
Q

The flow rate of a moving fluid is a measure of the _________ of the fluid that moves past a given point at a given time.

A

Volume

45
Q

When you read a psychrometer, the dew point is ___________ temperature(s).

A

Lower than the wet-bulb

46
Q

An aneroid barometer contains

A

No liquid

47
Q

What kind of charge does an electron carry?

A

Negative

48
Q

The number of electrons inside a battery is always

A

Constant

49
Q

Electrical energy per unit of charge is measured in

A

Volts

50
Q

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

A

Potential energy

51
Q

One joule per second is called one

A

Watt

MMeas (1 decks)

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