NEIEP 400 Final Exam Version 1 (Latest 2023\/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A<\/p>\n\n\n\n
NEIEP 400 Final Exam Version 1 (Latest 2023\/
2024 Update) Questions and Verified Answers|
100% Correct| Grade A
Q: What is the power available from a 68 kVA transformer connected in open delta configuration ?
Answer:
39.44 kVA
Q: The secondary winding of an 11,000 volt to 220 volt transformer has 50 windings on the
secondary How many turns are on the primary winding
?
Answer:
2500 turns
Q: A transformer has 728 turns on the primary winding and 56 turns on the secondaryWith 120
volts applied on the primary , what is the output voltage on the secondary ?
Answer:
9.23 volts
Q: A transformer has a primary voltage of 440 V with 100 turns and a 15:1 voltage ratio of
transformation .With a primary current of 25 amps , what is the current in the secondary ?
Answer:
375 amps
Q: Which statement best describes eddy currents ?
Answer:
They are circulating cur- rents set up by magnetic induction .
Q: With the following values : Ep = 208VAC ; Es = 35 VAC ;Ip = 3.8 amps ; Is
= 21.42 amps , what is the efficiency of this transformer ?<\/p>\n\n\n\n
Answer: NEIEP 400 Final Exam Version 1 (Latest 2023\/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A NEIEP 400 Final Exam Version 1 (Latest 2023\/2024 Update) Questions and Verified Answers|100% Correct| Grade AQ: What is the power available from a 68 kVA transformer connected in open delta configuration ?Answer:39.44 kVAQ: The secondary winding of […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-130286","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/130286","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=130286"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/130286\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=130286"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=130286"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=130286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
95 %
Q: Which of the following would describe a transformer with a fixed voltage transformation ratio of
1:12 ?
Answer:
Step – up transformer
Q: Which of the following would describe a transformer with a primary current of 27 amps and a
secondary current of 1 amp ?
Answer:
Step – down transformer
Q: Which statement is correct regarding transformers?
Answer:
The primary winding terminals are identified with the letter H
Q: Refer to the figure .What type of transformer is represented?
Answer:
Core type
with a wye primary and delta secondary
Q: Which would you do to check for an open primary winding ?
Answer:
Measure the resistance across the primary
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