. Trade tests; the scientific measurement of trade proficiency . COMMITTEE ON CLASSIFICATION OF PERSONNELIN THE ARMY Trade Test Division Reproduced by permission of the Adjutant General PICTURE 1 1. Q. What is that machine used for? A. (i) To convert Direct Current () into AlternatingCurrent ().(2) to (One sufficient) 2. Q. How do you know that the end is at B?A. (i) Slip rings. (2) Connecting rings. (One sufficient) 3. Q. How many phases has that machine?A. Three. 204 TRADE TESTS. PICtURE 24. Q. What does that picture represent?A. (i) Alternator. (2) Generator. (One suf
. Trade tests; the scientific measurement of trade proficiency . COMMITTEE ON CLASSIFICATION OF PERSONNELIN THE ARMY Trade Test Division Reproduced by permission of the Adjutant General PICTURE 1 1. Q. What is that machine used for? A. (i) To convert Direct Current () into AlternatingCurrent ().(2) to (One sufficient) 2. Q. How do you know that the end is at B?A. (i) Slip rings. (2) Connecting rings. (One sufficient) 3. Q. How many phases has that machine?A. Three. 204 TRADE TESTS. PICtURE 24. Q. What does that picture represent?A. (i) Alternator. (2) Generator. (One sufficient) 6. Q. What do you call the machine at ** B ?A. Exciter. 6. Q. What is the exciter used for?A. (i) To supply field current. (2) Excite the field. (One sufficient) 7. Q. Where is the exciter current put into the field?A. (i) At A. (2) Slip rings. (One sufficient)
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