Test 8B - Name(YO/49W” Morgana acr 25 Section VER 2 Read...

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Unformatted text preview: Name: (YO/49W” Morgana: acr 25 Section VER 2 Read each question carefully, then print the letter of the correct answer on the line next to the question, 1. /4 _ A micrometer screw has a pitch of a. 40 threads per inch b. 50 threads per inch c. 75 threads per inch (1. 100 threads per inch 2. A __ A reading of 00625 inch on a micrometer with a 2 to 3 inch range would be equal to a. 2 5/8 inches b. 2 7/16 inches F 3 1/8 inches ‘d7\3 9/16 inches 3. A _ To set the dividers to the proper radius, you should use a a. steel rule b. micrometer c. scribing circle d. vemier caliper 4. {g _ A micrometer would be used to measure a. microseconds b. round stock diameter c. electrical resistance d. low Voltages 5. [ § _A small hole gauge is used in conjunction with a/an . a. feeler gauge b. micrometer c. surface gauge d. angle gauge w , W ‘ r ,_ ‘_ “M.” ’r r Avru-‘ 6. _ For greater accuracy, some micrometers have a Vérriier scale making it possible to read in increments of a. five thousandths of an inch b. ten thousandths of an inch c. twenty five thousandths of an inch d. one fortieth of an inch 7. (2 _ One complete turn of a micrometer screw will move tag ' a. 0.001 inch .h ' _. b. 0.0025 inch “3 ‘2’ ” ' c. 0.010 inch -“ z c d. 0.025 inch >< 8. d _ The best method of determining the number of threads per inch of a bolt or screw would i be through the use of a b. thread tool gage c. machinist’s scale d. screw thread micrometer 9. /4 _ The reading on a vernier caliper scale is indicated as 3.380 inches. Which of the figures shown in the illustration represents this reading? (See illustration (is-0082) a. figure B b. figure D c. figure E d. figure F 10. /4 The reading indicated on a vernier micrometer caliper scale is .8046 inches. Which of the figures in the illustration represents this reading? (See illustration GS«0083) a. figure B b. figure A c. figure F d. figure G l 1. B The reading on the vernier caliper scale shown in figure “E” in the illustration is (See illustration 68—0082) a. 3.610 b 3.360 3.925 12. g What is the reading of the Vernier micrometer caliper scale shown in figure “E” in the illustration? (See illustration GS—0083) a. 0.3001 b. 0.3101 c 0.3151 a. Electrode diameter in 1/32” b. Polarity an any specml note c. Minlmum recommne amperage d. Percent alloying elements / K3. ‘5 L4What do the last two digits of an electrode designation indicate .1 14. Low hydrogen electrodes produce welds with less hydrogen in the weld. Welds with / lower hydrogen are The electrode must touch the base metal to strike the are a. True 13. False r: F 16. Materials in the electrode covering improve mechanical and chemical properties of the completed weld. a. True b. False 17. fl Shielding gas is created as the electrode covering melts. This shielding gas keeps oxygen, nitrogen, and other contaminants out of the weld area. a. True b. False l8. The distance between the end of the electrode and the surface of the base metal is called The electrode distance The arc length The are distance The electrode length 52.0w» 19. An electrode designation contains six numbers. a. True b. False 20. 6 Electrode covering is sometimes called the slag covering. a. True b. False ...
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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.

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Test 8B - Name(YO/49W” Morgana acr 25 Section VER 2 Read...

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