1) What is the primary purpose of a lathe? a) Cutting threads only b) Shaping metal through turning 2) Which tool is used to measure the rotational speed of a spindle? a) Tachometer b) Dial indicator 3) What is a common angle for a drill bit point used in metalworking? a) 150° b) 118° 4) Which machining process is used to create flat or contoured surfaces using a rotating cutter? a) Turning b) Milling 5) What is the purpose of a boring bar in machining? a) Internal lathe work b) Surface polishing 6) What is the smallest unit typically measurable with a standard micrometer? a) .001 b) .0001 7) Which instrument is used to check the flatness of a surface? a) Surface plate b) Vernier caliper 8) What does a feeler gauge measure? a) Clearance or gap width b) Inside diameters 9) What type of caliper provides a digital readout of measurements? a) Dial caliper b) Digital caliper 10) Which tool is commonly used to measure the height of objects precisely? a) Height gauge b) Depth gauge 11) Which tool is primarily used for gripping and bending wires? a) Hammer b) Pliers 12) What is the purpose of a center punch? a) To mark the center of a hole for drilling b) To measure distances 13) Which hand tool is used for measuring angles? a) Protractor b) Compass 14) Which of the following is a method of holding a workpiece on a lathe? a) Chuck b) Bob 15) What is the name of the tool used to cut threads into a drilled hole? a) Drill bit b) Tap 16) What is the primary purpose of a deburring tool? a) To measure surface roughness b) To remove sharp edges or burrs from a workpiece 17) Which of the following is the most important type of eye protection in machining? a) Welding masks b) Safety goggles or face shields 18) What is the decimal equivalent of 1/4? a) 25 b) .025 c) .25 d) 25.00 19) 100 - 15 = a) 85 b) .85 c) 90 d) 75 20) 1/2 + 1/2 = a) .5 b) 1/2 c) 37 d) 1.0 21) 2/16 = a) 1 b) 216 c) 1/8 d) 73 22) Why should long hair be tied back in a machine shop? a) To improve visibility b) To prevent it from getting caught in moving machinery 23) Why is wearing gloves a BAD idea near rotating machinery? a) Gloves are expensive to replace b) Gloves can get caught in moving parts, causing injury 24) A File is used to shape and deburr material. a) True b) False 25) Machine Tool Technology is the best class ever. a) Yes b) Affirmative c) True d) Absolutely e) Si f) Agreed 26) Sarah has 8 apples. Her friend gives her 5 more apples. How many apples does Sarah have in total? a) 13 b) 8 27) The movie starts at 6:30 PM and lasts 2 hours and 15 minutes. What time will the movie end? a) 8:45 AM b) 8:45 PM c) 7:30 PM d) 4:15 AM 28) What do the dimensions on a blueprint typically indicate? a) The material of the part b) The weight of the part c) The production cost d) The size and location of features on a part 29) What does a dashed line represent on a blueprint? a) Hidden edges or features b) Reference dimensions 30) Which of the following is used to indicate the diameter of a hole? a) A capitol "R" b) The "Ø" symbol 31) What does the tolerance ±0.01 mean on a dimension of 1.00? a) The dimension must be exactly 1.00. b) The dimension can vary between 0.99 and 1.01. c) The dimension can vary between 1.00 and 1.02. d) The dimension can vary between 0.90 and 1.10. 32) What does the term "scale 1:2" mean on a blueprint? a) The object is drawn in full size. b) The object is drawn at half its actual size. c) The object is drawn at twice its actual size. 33) Which symbol is used to indicate perpendicularity in GD&T? a) ⊥ b) ∅ 34) What does the symbol "||" represent in GD&T? a) Flatness b) Parallelism 35) What does the circularity (roundness) symbol look like? a) ◯ b) ∅ 36) Which GD&T symbol is used for concentricity? a) || b) ◉ 37) Which of hte items below is an example of Additive Manufacturing? a) 3D Printing b) Laser c) Machining d) LEGO's 38) Which of the items below is an example of Subtractive Manufacturing? a) Machining b) 3D Printing c) LEGO's d) Laser 39) How many kids does Mr. Wike have? a) 7,437 - 7,433 b) 4 x 1 c) 100 / 25 d) 2 + 2 e) 3 + 1 f) 16 - 12 40) What is .75 plus .075? a) .0825 b) .825 c) 75 d) .150

Machining Test

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