What is the purpose of a dial indicator in dimensional measurement?
A) To measure the alignment of fixtures and parts in a machine
B) To provide accurate and precise measurements of linear movement
C) To measure the dimensional accuracy of parts
D) To check the variation in tolerance during the inspection process of a machined part
E) None of the above
Correct answer: B
What is the most commonly used type of dial indicator for precise measurements?
A) AGD Indicator (American Gage Design) or Drop Indicator
B) Plunger dial indicator
C) Test indicator
D) Digital precision dial indicator
E) Dial indicators with magnetic base and point precision inspection set
Correct answer: A
What is the function of the bezel on a dial indicator?
A) To hold the entire dial setup within itself
B) To allow for easy zeroing to the master setting
C) To display the measurements on a dial with a pointer
D) To lock the dial indicator scale after calibration
E) None of the above
Correct answer: A
Which type of dial indicator is best suited for measuring flatness?
A) Dial indicator
B) Test indicator
C) Plunger dial indicator
D) Digital precision dial indicator
E) Dial indicators with magnetic base and point precision inspection set
Correct answer: B
What are the main differences between dial indicators and digital calipers?
A) Dial indicators are mechanical inspection tools, while digital calipers are electronic measurement tools
B) Dial indicators have a larger range of measurement compared to digital calipers
C) Dial indicators display measurements on a dial with a pointer, while digital calipers have a digital display
D) Dial indicators can only display measurements in one unit of measurement, while digital calipers can display measurements in multiple units
E) All of the above
Correct answer: E
What is the significance of the plunger on a dial indicator?
A) It works in association with the dial and needle to visualize the measurement
B) It needs to be perpendicular to the reading surface when taking measurements
C) Plunger dial indicators are most suited to repetitive, comparative measurements
D) It is used to make contact with the workpiece being measured
E) All of the above
Correct answer: E
Which type of dial indicator is commonly used for measuring depth?
A) Dial indicator
B) Test indicator
C) Plunger dial indicator
D) Digital precision dial indicator
E) Depth gauge
Correct answer: E
How can a dial indicator assist in determining concentricity?
A) By measuring the distance between the surface of a rotating part and a fixed reference point
B) By calculating the difference between the maximum and minimum readings
C) By taking several readings at different points around the circumference of the part
D) By visualizing the measurement through the dial and needle
E) None of the above
Correct answer: A
Looking for a dial indicator?
Choosing a dial indicator can be very difficult if you know nothing about them.
So I created this quick, newbie guide to help you:
The best Dial Indicator and how to choose one for you
Memoir to self: (Article status: blueprint)
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