# IED Quiz October 9th - English To Metric, Dial Caliper, Reading Scale

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This is a quiz for Intro to engineering design class. Students should be able to convert english to metric, read an english and metric scale, and reading a dial caliper.

• 1.

### Convert 76mm to inches:

• A.

7.6 inches

• B.

1930.4 inches

• C.

2.992 inches

• D.

.2992 inches

C. 2.992 inches
Explanation
To convert millimeters to inches, divide the value by 25.4 since there are 25.4 millimeters in an inch. Therefore, to convert 76mm to inches, divide 76 by 25.4 which equals 2.992 inches.

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• 2.

### What is the name of this measuring instrument?

• A.

Dial indicator

• B.

Dial caliper

• C.

Rotating ruler

• D.

Engineering scale

• E.

Precision measurer

B. Dial caliper
Explanation
A dial caliper is a measuring instrument used to accurately measure the distance between two opposite sides of an object. It consists of a calibrated scale with a movable jaw that slides along the scale, and a dial indicator that displays the measurement. The term "dial" refers to the dial indicator, which allows for precise readings. This instrument is commonly used in engineering and manufacturing applications where precise measurements are required.

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• 3.

• 4.

### Which of the following is not a measurement that you can perform with the dial caliper?

• A.

Outside diameter/thickness

• B.

Inside diameter

• C.

Depth

• D.

Angle

• E.

Step

D. Angle
Explanation
The dial caliper is a precision measuring tool used to measure dimensions such as outside diameter, inside diameter, thickness, depth, and step. However, it cannot measure angles. Angles are typically measured using a protractor or an angle measuring tool.

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• 5.

### Convert 3.216 inches to millimeters:

• A.

81.7 mm

• B.

.127 mm

• C.

32.16 mm

• D.

88 mm

• E.

7.9 mm

A. 81.7 mm
Explanation
To convert inches to millimeters, you multiply the number of inches by 25.4. In this case, when you multiply 3.216 inches by 25.4, you get 81.7 mm.

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• 6.

### If I have 41 eggs how many dozens do I have?

• A.

3.6 dozen

• B.

4.2 dozen

• C.

3.4 dozen

• D.

492 dozen

• E.

2.5 dozen

C. 3.4 dozen
Explanation
If you have 41 eggs and want to know how many dozens you have, you can divide 41 by 12 (since there are 12 eggs in a dozen). The result is 3.4166, which can be rounded to 3.4. Therefore, you have 3.4 dozen eggs.

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• 7.

### Is this an englich scale or a metric scale?

• A.

English

• B.

Metric

B. Metric
Explanation
The given answer "Metric" is the correct answer because the question is asking whether the scale is English or metric. The term "metric" refers to the metric system of measurement, which is widely used internationally and includes units such as meters, kilograms, and liters. Therefore, the answer indicates that the scale being referred to uses the metric system of measurement.

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• 8.

### How long is the line?

• A.

2 1/16 inches

• B.

23 mm

• C.

1 5/8 inch

• D.

1 13/16 inches

• E.

1 7/16 inch

D. 1 13/16 inches
Explanation
The correct answer is 1 13/16 inches.

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• 9.

### How long is the line in mm?

• A.

3.4 mm

• B.

34 mm

• C.

23 mm

• D.

3.4 inches

• E.

.34 mm

B. 34 mm
Explanation
The correct answer is 34 mm because it is the only option that is a measurement in millimeters. The other options include inches and a decimal point, which are not compatible with the given question.

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• 10.

### The jaws indicated by the red arrow are used for what type of measurement?

• A.

Outside diameter

• B.

Step measurement

• C.

Angle Measurement

• D.

Inside Diameter

• E.

Whole depth

D. Inside Diameter
Explanation
The jaws indicated by the red arrow are used for measuring the inside diameter of an object. These jaws are designed to fit into the inner part of the object being measured, allowing for an accurate measurement of its internal diameter.

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• 11.

### Conver 53 mm to inches?

• A.

1.24 inches

• B.

2.09 inches

• C.

5.3 inches

• D.

1346.2 inches

• E.

.479 inches

B. 2.09 inches
Explanation
To convert millimeters to inches, divide the measurement by 25.4. In this case, when we divide 53 mm by 25.4, we get approximately 2.09 inches.

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• 12.

### Which precision measuring tool is the most versatile?

• A.

English scale

• B.

Metric scale

• C.

Dial indicator

• D.

Dial caliper

• E.

Engineering scale

D. Dial caliper
Explanation
A dial caliper is the most versatile precision measuring tool because it can measure both inside and outside dimensions accurately. It has a dial gauge that provides precise readings, making it suitable for a wide range of applications. Additionally, a dial caliper can also measure depth and step dimensions, further enhancing its versatility.

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• Current Version
• Mar 22, 2023
Quiz Edited by
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• Oct 08, 2009
Quiz Created by
Jason Dooley

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