Test 1 lesson 1-2

Test 1 lesson 1-2 - Name : x . EL Section ii 2 Ver 1 Read...

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Unformatted text preview: Name : x . EL Section ii 2 Ver 1 Read each question carefully, then print the letter of the correct answer on the line next to the question. 1 i l . if!) Because of the danger of an explosive compound being formed, which of the following types of metals should not be used for tubing 0r pipes that carry acetylene? a. Steel b. Iron c. Stainless Steel d. Copper X 2, Which type of respirator delivers a constant flow of clean breathing air to the welder rather than filtering contaminated air 7 a. Negative pressure air purifying respirator, C 02 scrubbing rebreather. Positi ure respirator 3. 2 Fuel gas cylinders should be separated from oxygen cylinders by a minimum of how many feet a, lo feet b. 25 feet c. 15 feet (I. 50 feet 4. 91%. Because of its instability, the acetylene gas used in oxyfuel cutting must remain at pressures less than psi when in its gaseous form a. 15 b. 10 c. 25 d, 5 t _ r 5‘ ‘3 A hazard associated with electric arc welding is as the effect of radiation from the arc b. flying Sparks 0. electric shock d, all of the above 6. (2 Because of the liquid acetone inside an acetylene cylinder, acetylene cylinders must always be used in a(n) position, a. 45 degree b. horizontal c. Upright # d. 60 degree I 7. p The regulators used on fuel gas cylinders are often painted red and always have on all connections at right—hand threads b. loll—hand threads c. metric threads (1, safety latches 8. 6”" Careful handling of compressed gas bottles should include a. Stowing, to avoid them from crashing into one another h. Keeping them away from flame, high heat and direct sunlight c. Keeping the valve protection caps in place d. All of the above 9. t ‘1 Before opening cylinder valves, verify that the adjusting screws on the oxygen ands fuel gas regulators are a. tight b. fully clockwise c. loose d, fully counterclockwise 10. b All of the following fabrics may be worn around sources of sparks or high heat except a. cotton b. polyester c, wool d. leather 1 l. 51.1 A(N) cylinder uses a fusible plug. a. acetylene b. oxygen V f 12. U A left hand cutting tool has its cutting edge on the side of the tool and Cuts toward the at left, headstock b, right, headstock c, left, tailstock d. right, tuilstock n 13. {a What type of test is used on a grinding wheel before it is installed on a grinder? a. Balance test b. Dynamic test e. Ring test d. Speed test 14. b The height of a tool in a standard type tool holder is adjusted by , a. adjusting the setscrew height h. swiveling the rocker in the tool post ring 0, lowereing the height of the workpiece. d. micrometer adjustment 15. When using a Chisel, you should a. wear safety glasses b. wear gloves 6. hold the tool lightly d. be certain it is a non-sparking type 16. . (See illustration GS The lathe tool shown in figure “C” in the illustration is called a 0009) a. round nose turning tool h. right hand facing tool (2. right hand turning tool d. right hand finishing tool Which of the illustrated lathe tools would be used to produce figure V ? (See illustration GS 0009) a. A b. B C. D d E / a /" 18, Which of the listed‘ illustrated figures represents the lathe tool used for facing figure VI? / (See illustration GS 0009) a. A b B drC 19. The lathe tool shown as figure “N” in the illustration is commonly known as Man i (See illustration GS 0090) a. hurling tool b. knurling [001 C, curling tool dv furling tool The lathe tool shown as figure “S” in the illustration is commonly known as a/an . (Sec illustration GS 0090) u. lcl‘tihand roughing tool bi right—cut roughing tool c. l — u- ~acin tool d. right—cut side facing tool G$—-0009 B " .' HG. n ...
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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 1 lesson 1-2 - Name : x . EL Section ii 2 Ver 1 Read...

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