Test 5B - 1 Name: "l 1‘5" V‘ 1 v 5...

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Unformatted text preview: 1 Name: "l 1‘5" V‘ 1 v 5 Section Ver. 2 Read each question carefully, then print the letter of the correct answer on the line next to the question 1. I \\ Bapring tools must have sufficient side relief and to be efficient cutting tools. (at) end relief B». back rake c. side rake d, all of the above ‘2. [A In boring, if chatters occurs 1 reduce the nose radius of the tool "b: decrease the feed c. increase the spindle speed (it all of the above 3. Name the tool and process used to precisely enlarge an existing hole; ' Boring bar, boring b, Twist drill, drilling c. Counterbore, counterboring d, Parting tool, parting [ 2 Which of the following is not part of a procedure for knurling’,7 Mount the work piece between centers to prevent creeping Do not lubricate the knurling tool and work piece Use low RPM similar to RPM used for threading Use a feed of ,005” to ,015 inches er Center the knurling rollers vertically 5) Feeds for reaming are that used for drilling a. one half .1 twice c. The same as Usually produced with hardened rolls that create a pattern d. None of the above 2,? \Vhen parting all of the following is true except: - a». The parting tool should always be making a chip _ x s t .r Diagonally ground tools leave a burr c The parting tool must be set on center (it The parting tool must be set square with the workpiece Knurling is: a. A raised impression on the surface of :1 turned workpiece b. Displacement of material and not impressions caused by cutting e. Usually produced with hardened rolls that create a pattern id, _ All of the above Only a and c , f I . (8. L A is used to adapt it straight shank drill to the taper of the tailstock , “MW-1MB I'b. lathe dog c. sleeve d. socket i; 9. r L If you are cutting off a piece of stock in a lathe and the workpiece tends to climb over the A top of the cutoff tool, you should ’ increase the height of the tool Cutting edge )Wf; "’\ . increase the lathe spindle speed i‘ 0. stop the lathe and tighten the chuck 4‘ it dc stop the lathe and lubricate the dead center R When the “liquidus” temperature is reached, the filler metal 4 a} is completely liquid ub: begins to become liquid 0. begins to cool to solid form d. is part—solid and part—liquid 52 A is used to adapt a larger sized taper shank drill to the taper of the tailstock r drill chuck socket lathe dog (1. sleeve (’7 When oxyfuel gas braze welding, which flame adjustment produces the strongest joint? Slightly oxidizing . ’ it Neutral or slightly carburizing c. Heavily carburizing d. Any flame adjustment is acceptable " (f3 Which of trhe following gases is not used for oxyfuel gas brazing? a. Acetylene _A~‘\ Helium c”. Propane (1. Hydrogen 7K _. Brass is an alloy of copper and . a. Silver in“ Steel E. Carbon Which of the following methods can be used to Clean the base metal prior to brazing or braze welding? a. Wire brush b. Abrasive cloth c.‘ Grinding or grit blasting All of the above 16 r‘ Flux may be added to the base metal or filler rod. Which of the following is not an acceptable method of applying flux? Dipping the base metal into the flux b. Applying it to the surface with a brush 0. Applying it to the filler rod when the filler rod is manufactured. dt Applying it to the filler rod during the brazing/braze welding process 17. ’x, K The chemical abbreviation for tin is SN. a. True b. False 18. k Hundreds of parts can be brazed simultaneously in a furnace a. “ True b; False fi\ 12: fr The brazing process draws filler metal into the joint through action 3 a. brazing ‘r'bf; capillary chemical d. combination 5% Which of the following safety considerations for brazing or braze welding is not true? 52?; Many f xes are harmful to the skin . Cadmium times have a strong ar 10 odor cl When acids are required for cleaning, special training is required d. Cadmium oxide fumes are very dangerous if inhaled. They may even cause death ...
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Test 5B - 1 Name: "l 1‘5" V‘ 1 v 5...

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