Test 12B - Name: Tr/lemaS Ca/Qv’if’fa Date: HAW/0?...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Name: Tr/lemaS Ca/Qv’if’fa Date: HAW/0? Section Verl Read each question carefully, then print the letter of the correct answer on the line next to the question. 1. Q The type of drilling machine that can only be hand fed is the drilling machine. Upright sensitive . Radial arm 0. Upright d. Gang 2. (23 The feed rate for a twist drill is given in inches per revolution (IPR) b. inches per minute (1PM) c. inches per foot ( IPF ) do degrees per inch (DPI) 3, 0\ For boring holes in mild steel and general work, the correct angle of a drill point is 118 degrees b. 29 degrees c. 45 degrees d. 90 degrees 4. b Jamming of drills when drilling deep holes can be avoided by using a procedure called a. alternating (6:? pecking c. fluting d. chipping 5. b A tapered shank drill is removed from a drill press spindle with a a. taper punch ® drill drift c. vice grip d. leather mallet 6. é The harder the work material a. the faster the cutting speed @ the slower the cutting speed c. the faster the RPM setting d. none of the above 7. d Before drilling a hole in a piece of metal, the location of the hole center should be a. marked with chalk b. scribed c. blued prick punched 8. Q When drilling holes larger than V: inch, drilling a smaller hole first is a good practice. This is called a pilot hole, and the pilot drill should have a diameter g) slightly larger than the web thickness of the larger drill equal to at least 1/2 the diameter of the larger drill c. smaller than the dead center of the chisel edge of the larger drill (1, small enough to ensure the maximum cut by the larger drill 9. Parallels are used for @ spacing workpieces off of the drill press table or vise aligning the center punch marks on round stock in V—blocks c. scribing a parallel line along a shaft d. heavy, rough drilling 10. Q What type of drilling machine has multiple spindles which can be quickly indexed into position? @3) Turret type b. Upright c, Multiple spindle d. Micro / r” l l. A When calculating the proper RPM for using a center drill, use the diameter of the ; \ for your calculations. (7 \ @ body m I‘ “flail/‘3“ 7 1H"! fiflfii d. None of the above 12. If the cutting edges of a drill are ground at different angles, the , a; drill will not cut 55’. 2' hole will be oversized c. hole will be undersized d. drill will seize immediately 13. l 2 Increasing the feed pressure on a drill as its point begins to break through the bottom of a workpiece wiil cause the drill to a. break cleanly through the bottom of the workpiece dig into the workpiece and tend to whirl it around c. cut an elongated hole in the bottom of the workpiece d. form a tapered hole in the bottom of the workpiece 14. A All straight shank twist drills must be mounted or held in a . a. drill socket b. tapered sleeve 0. morse sleeve @ drill chuck i 15. A counterbore is a. a conical enlargement at the end of a hole used to recess the head of a flat head screw b. internal threads with a conical axis used to seal the threads c small hole with a conical top to accept a lathe center an enlarged hole with a square bottom concentric to a smaller hole to accept the head of a socket head cap screw 16. 0\ The flutes of a twist drill a facilitate chip removal b. are the cutting edges of the twist drill c. create the “chisel point” in the center of a twist drill d. are the parts of the twist drill inserted into the drill chuck i7, L Which of the following numbers represent the drill press column in the illustration? (see illustration ) 10 hi 5 c. 14 d, 2 18. Q. Which of the following numbers represent the drill press table locking lever in the illustration? (see illustration ) a. 12 . 10 c. 14 d. 15 19‘ [2 Which of the following numbers represent the drill press variable speed control in the illustration? (see illustration ) a. 15 (ED 1 c. ll d. 7 20. b Which of the following numbers represent the drill press feed handle in the illustration? (see illustration ) a. 9 b. 13 c. 4 d 8 ...
View Full Document

This note was uploaded on 05/01/2008 for the course MENG 101 taught by Professor Mahoney during the Spring '08 term at Mass Maritime.

Page1 / 4

Test 12B - Name: Tr/lemaS Ca/Qv’if’fa Date: HAW/0?...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online