Trade Tests; The Scientific Measurement of Trade Proficiency

Trade Tests; The Scientific Measurement of Trade Proficiency

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1921 edition. Excerpt: ...A. Petticoat. 10. Q. What is the purpose of the irregular surface of an insulator? A. (1) To increase the creepage distance. (2) Long path. (3) To increase surface. (4) Moisture. (One sufficient) PICTURE 4 11. Q. That diagram shows two alter-nators to be synchronized. How would you tell when to close the main switch? A. When lamps are dark. Synchronizing Switch rl.C Generator rtceantrftar PICTURE 6 15. Q. What do you call that? A. Regulator. 16. Q. What is shown at " A " in that picture? A. Motor. PICTURE 7 17. Q. What is that? A. Circuit breaker. PICTURE 17 That is a wiring diagram for a three-phase generator panel. Study the connections and identify the following parts: What is shown at "A"? Field switch. What is shown at Field rheostat. What is shown at C f? Shunt. What is shown at - D Voltmeter. What is shown at -? Ammeter. What is shown at ii p up Field ammeter. What is shown at II Q II? Current transfor-mer. What is shown at Oil switch. RATING THE CANDIDATE Score Rating o to 16 inclusive Novice 20 to 60 inclusive Apprentice 64 to 124 inclusive Journeyman 128 to 152 inclusive Expert TRADE TEST ELECTRICIAN.--Lead Storage Battery PICTURE COMMITTEE ON CLASSIFICATION OF PERSONNEL IN THE ARMY Trade Test Division Reproduced by permission of the Adjutant General A B PICTURE 1 1. Q. What is being done in that picture? A. Charging. 2. Q. What is at " A"? A. Voltmeter. (Note: "Voltmeter or ammeter" is wrong.) 3. Q. What is at " B"? A. Ammeter. (Note: " Voltmeter or ammeter" is wrong.) 4. Q. What is at " C"? A. (1) Rheostat. (2) Resistance. (One sufficient) (Note: "Starting box" or "Controller" is wrong.) PICTURE 2 5. Q. What is that...show more

Product details

  • Paperback | 86 pages
  • 189 x 246 x 5mm | 168g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236553527
  • 9781236553522