Machine Tool Technology Quiz 5 - Drilling - Prof. William K. Hemphill, Quizzes of Engineering

Download Machine Tool Technology Quiz 5 - Drilling - Prof. William K. Hemphill and more Quizzes Engineering in PDF only on Docsity! Score ________/20 Name _______________________________ Section _________ ENTC 2200 Machine Tool Technology— QUIZ #5 • Drilling Directions: Circle or completely mark through the letter of the one most correct alternative. 1. Number (wire gage) size drills are a. Larger than letter size drills & become larger in diameter as the gage numbers get larger. b. Larger than letter size drills & become smaller in diameter as the gage numbers get larger. c. Smaller than letter size drills & become larger in diameter as the gage numbers get larger. d. Smaller than letter size drills & become smaller in diameter as the gage numbers get larger. 2. Fractional size drills: a. Increase by 1/64ths from 1/64" to 3.0". b. Increase by 1/32nds from 1.0" to 3.0". c. Increase by 1/8ths for sizes above 3/4". d. Are not available in sizes smaller than letter size drills. 3. The relief (or clearance) angle of a general purpose drill should be between: a. 0 and 4 degrees. b. 4 and 8 degrees. c. 8 and 12 degrees. d. 12 and 24 degrees. 04. The standard drill shank taper used on the larger size drills is called the ______ taper. a. Cam lock. b. Brown & Sharpe. c. Jarno. d. Morse. e. 5-C. f. R-8. 05. The tapered tool used to remove a taper shank drill from a drill press spindle is called a(n): a. No such tool exists. b. Wedge tool. c. Ejector pin. d. Drill rod. e. Extractor. f. Drift. 6. Usually the size of a drill press is determined by measuring the distance: a. From the chuck to the quill. b. From the spindle axis to the column. c. From the floor to the table. d. The quill travels. 7. Which of the following is NOT one of the MAJOR parts of a drill press? a. Base. b. Column. c. Head. d. Quill. e. Table. f. Saddle. 8. What type of drill press permits the head to slide along a large arm? a. Sensitive drill. b. Radial drill. c. Boring mill. d. Jig borer. 09. A tool used to machine a cone-shaped enlargement (chamfer) at the end of a hole is called a: a. Chamferer. b. Parting tool. c. Counterbore. d. Countersink. 10. The cutting tool used to enlarge a hole to an exact diameter and smoothness is called a: a. Drill. b. Counterbore. c. Countersink. d. Reamer. Revised: Nov. 6, 2004