NHPC-JE'21 EE: Daily Practices Quiz 28-Oct-2021 |_00.1
Engineering Jobs   »   Electrical Engineering quizs   »   NHPC RECRUITMENT 2021, NHPC JE ELECTRICAL,

NHPC-JE’21 EE: Daily Practices Quiz 28-Oct-2021

NHPC JE Recruitment 2021

National Hydroelectric Power Corporation (NHPC) has released the recruitment notification for engagement of the following posts as Senior Medical Officer, Assistant Rajbhasha Officer, Junior Engineer & Sr. Accountant posts. NHPC expects applications from High Performing, Dynamic & Achievement-Oriented Professionals candidates to fill up these 173 vacancies.

NHPC-JE’21 EE: Daily Practices Quiz

NHPC-JE’21 EE: Daily Practices Quiz 28-Oct-2021

Each question carries 1 mark.
Negative marking: 1/4 mark
Total Questions: 06
Time: 06 min.

Q1. The no-load current drawn by a transformer is usually ……………of the full-load
current.
(a) 10 to 15 percent
(b) 15 to 20 percent
(c) 2 to 5 percent
(d) 0.2 to 0.5 percent

Q2. …… is a conductor from which tapings are taken for supply to the consumers.
(a) Delivery unit
(b) Service main
(c) Feeder
(d) Distributor

Q3. Which of the following emit greenish-blue colour?
(a) Sodium vapour lamp
(b) Neon tube
(c) Mercury vapour lamp
(d) Neon lamp

Q4. Merz price protection is used for the protection of:
(a) Both Transformer and Alternator
(b) Transformer
(c) Transmission lines
(d) Alternator

Q5. The SI unit of magnetic flux is……
(a) Weber
(b) Maxwell
(c) Tesla
(d) Gauss

Q6. A pole pitch in an electrical machine is
(a) Equal to 180° Electrical
(b) Equal to 180° Mechanical
(c) Less than 180° electrical
(d) Greater than 180° electrical

SOLUTIONS

S1. Ans.(c)
Sol. The no-load current drawn by a transformer is usually (2-5) % of the full-load
current.

S2. Ans.(d)
Sol.
Distributor: A distributor is a conductor from which tapping are taken for supply to the consumers. The current through a distributor is not constant because tapping are taken at various places along its length.

S3. Ans.(c)
Sol. A mercury vapour lamp producing greenish-blue colour of light.

S4. Ans.(a)
Sol. Merz price protection is used for the protection of both alternators and transformers.
• Merz price differential protection is used to protect the transformer from internal short circuit, Internal ground faults and inter turn shorts.
• For alternator, the most severe outcome of fault is the damage of stator. For this, the differential protection of alternator or Merz price circulating current protection system is used which protects alternators stator from burning through at least 80% if it.

S5. Ans.(a)
Sol. Φ = BA = Weber*m2/m2 = Weber

S6. Ans.(a)
Sol. 1 pole pitch=180⁰ electrical

Sharing is caring!

×

Download success!

Thanks for downloading the guide. For similar guides, free study material, quizzes, videos and job alerts you can download the Adda247 app from play store.

Thank You, Your details have been submitted we will get back to you.

Was this page helpful?

Leave a comment

Your email address will not be published. Required fields are marked *

Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Login

OR

Forgot Password?

Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Sign Up

OR
Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Forgot Password

Enter the email address associated with your account, and we'll email you an OTP to verify it's you.


Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Enter OTP

Please enter the OTP sent to
/6


Did not recive OTP?

Resend in 60s

Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Change Password



Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Almost there

Please enter your phone no. to proceed
+91

Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Enter OTP

Please enter the OTP sent to Edit Number


Did not recive OTP?

Resend 60

By skipping this step you will not recieve any free content avalaible on adda247, also you will miss onto notification and job alerts

Are you sure you want to skip this step?

By skipping this step you will not recieve any free content avalaible on adda247, also you will miss onto notification and job alerts

Are you sure you want to skip this step?