13. When a 15 KVA 480-volt pri--120-volt sec 2-wire sec transformer is connected to a 11.5 kW 120-voltload, the transformer is supplying.a. 31.25amps to the load.b. 54.127c. 95.83d. 23.95814. A 10 transformer that has a power rating of 500 VA can deliver__amps of current to a 120-volt loadwithout overheating the windings.a. 4.17b. 5.2c. 24d. 4167c. 2.415. A 10 transformer is supplying 332 amps to a 240-volt load. The transformer is delivering - KVAto the load,a. 79,680b. 79.680c. 1383d. 722.892c. 172916. An existing transformer is to be replaced with a new one. The specifications require that a new transformerbe sized at 125% of the existing load to allow for additional loads in the future. The minimum calculatedsize of the transformer is.kVA. The existing load connected to the existing transformer is 79.2 kVA.a. 63.36b. 125c. 99d. 19.8c. 59.4X2X1000000000 SECONDARY00000000 PRIMARYH2H16Figure 216.3217. Refer to Figure 216.32. Using an ohmmeter on the transformer-winding connection points..would be read between X1 and H2.a. 0b. (or OL)18. Turns ratio can be written asa. T.R. = T₁+T₂c. 2 to 20b. T.R. = N₂ + N₂c. T.R. = T/T,d. either a or b or c19. If the nameplate of a transformer shows the primary rated at 120 volts and the secondary rated at 12volts, theis 10 to 1.a. voltage ratio22b. turns ratioc. both of these20. The voltage ratio for a transformer with a primary rated voltage of 120 and a secondary rated voltageof 24 isa. 4:1b. 1:5c. 1:4d. 5:121. A CT with a current ratio of 500:1 is used in a metering circuit. If the current indicated on the meteris 67 mA, the current through the primary circuit conductor isa. 67amps.b. 1.34c. 134d. 33.5e. 33522. A transformer has a primary rated voltage of 120 and a secondary rated voltage of 24 volts. If only100 volts is applied to the primary.volts is induced in the secondary.c. 500a. 120b. 20d. 24

As per the guidelines of Bartleby we suppose to answer first three questions when MCQ type question…

13. When a 15 KVA 480-volt pri--120-volt sec 2-wire sec transformer is connected to a 11.5 kW 120-volt load, the transformer is supplying. a. 31.25 amps to the load. b. 54.127 c. 95.83 d. 23.958 14. A 10 transformer that has a power rating of 500 VA can deliveramps of current to a 120-volt load without overheating the windings. a. 4.17 b. 5.2 c. 24 d. 4167 c. 24 15. A 10 transformer is supplying 332 amps to a 240-volt load. The transformer is delivering - KVA to the load. a. 79,680 c. 1729 16 A b. 79.680 c. 1383 d. 722.892

13. When a 15 KVA 480-volt pri--120-volt sec 2-wire sec transformer is connected to a 11.5 kW 120-volt load, the transformer is supplying. a. 31.25 amps to the load. b. 54.127 c. 95.83 d. 23.958 14. A 10 transformer that has a power rating of 500 VA can deliveramps of current to a 120-volt load without overheating the windings. a. 4.17 b. 5.2 c. 24 d. 4167 c. 24 15. A 10 transformer is supplying 332 amps to a 240-volt load. The transformer is delivering - KVA to the load. a. 79,680 c. 1729 16 A b. 79.680 c. 1383 d. 722.892

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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the subject is : Transformers
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