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		Q Number Location & Type								Related Scene
						Lesson 9: Student Guide Answers
		28 2				Before any workpieces or measuring instruments are placed on a surface plate, what should be done to them?					73
						Clean the workpieces and instruments.
		29 2				What are the three functions that are performed by workpiece holding devices? Briefly describe the three functions.					74
						Stabilize the workpiece, hold the part at the required angle or height, and establish datums. (Answers can be in any order.)
		30 2				What fixturing device has a V shaped cavity? Write the name of the device.					80
						V-block.
		31 2				Many times, the fixturing device described in the previous question has a magnetic field which can be turned on or off. What purpose does this magnetic field serve?					81
						Hold the workpiece securely.
		32 2				What type of datum is established when using a Chuck to fixture workpieces? Name the type of datum.					85
						Rotational axis, or axis of rotation. (Either answer acceptable.)
		33 2				What feature must be present in workpieces in order to place them in a Center Fixture? Name the required feature.					87
						Center holes.
		34 2				An Adjustable V-block is best suited for establishing a certain type of datum. What type of datum is it?					91
						Coaxial datum.
			Type Key: (blank) = General; I = Inch, M = Metric