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Topic :: Power





Power Interview Questions
Questions Answers Views Company eMail

what are the disadvantages of leading P.F(power factor)?

2 8258

why generator is design for lagging P.F(power factor)?

BSES,

3 7732

Can we use a Potential Transformer for Auxilliary Power supply( Spring charge Motor, Lighting etc)?

1 3755

what is the reactive power what is the use of it in system

L&T,

1 2218

Why voltage regulation of an alternator is negative for a leading power factor?

3 22560

1. what is the power factor of a purely inductive load? 2. Which type of transformer connection is preferred in case of power supply transformers? 3. In power transformer usually which winding is closer to the core? 4. what will happen to the generated emf if the no. of poles of an alternator is increased?

5 6316

1. what is the power factor of a purely inductive load? (i) Zero (ii) Lagging (iii)Leading (iv) Unity 2. which type of transformer connection is preferred in case of power supply transformer? (i) Star/Star (ii) Delta/Delta (iii) Star/Delta (iv) Zig Zag/Star

2 5497

what is the power factor of an inductive load ? (i) Zero (ii) Lagging (iii) Leading (iv) Unity

5 8807

Explain Power Control.

1 2087

Why we use cosine angle for calculating power factor not in sine angle ?

4 16201

If anybody knows the recruitment procedure of IOTL & POWER MECHANICAL. send me the placement papers if u hav... very urgent ...

Electrical Tech, TCS,

4469

Q-1 what are the structural and operational difference between a distribution and a power transformer? Q-2 what is skew in motors? Q-3 draw equivalent circuit of transformer Q-4 explain with phasors how pf is improved with loading in induction motors Q-5 DIFFERENT METHODS OF CABLE LAYING(interviewer asked if i heard new chemical based earthing system next) Q-6 pi model of medium length trans line Q-7 v/f control?why Q-8 vacuum circuit breaker operates in?

Vijai Electricals,

1 5389

What will happen if apply dc source for power transformer

4 6746

Why would you like to join Jindal Steel and Power? (Max 200 words)

Jindal, Jindal Steel and Power,

2 33613

Why Ferranti effect is occoured in leading power factor load in a overhead transmission line?

1 5353




Un-Answered Questions { Power }

What work have you done on full chip Clock and Power distribution? What process technology and budgets were used?

3338


Hi friends Does anyone have screen shot of POWERMHS and please can anyone post anything which will be helpful to understand POWERMHS. thanks.

3125


pls, send me jindal steels & power aptitude ques

1969


pls ,send me technical questions of jindal steels and power ltd

2334


2. You are required to prepare a Profit & Loss Account for the year ending 31st December, 2007 and the Balance Sheet on that date. The Trial Balance of XYZ Ltd. for the year ended 31st December 2007 is as follows:- Trial Balance of XYZ Ltd. as on 31st Dec. 2007 Debit Balances Rs. Credit Balances Rs. Materials used 3,50,000 Sales(including 2% Sales tax) 9,18,000 Cost of Labour 1,50,000 Sale of Scrap 100 Stock, finished and work in process on 31st December, 2006 50,000 Rent received 2,000 Wages : Factory Staff 15,000 Discounts 2,750 Directors Remuneration 50,000 Recovered against fire claim re : Stock 5,000 Salaries : Clerical Staff 75,000 Capital : Equity 25,000 Insurances : Workmen’s Compensation 1,500 Preference- 9% 8,000 General, fire etc. 2,000 Creditors 1,56,000 Directors’ Life Insurance 1,500 Provision for Taxation 1,05,000 Maintenance : Buildings 1,000 Profit & Loss Account 13,750 Plant and Machinery 12,500 Rent and Rates of premises and hire of plant 20,000 Heat, Light and Power 15,000 Experimental and Laboratory Expenses 10,000 Canteen Expenses 5,000 Staff Welfare expenses 2,500 Motor Expenses 12,500 Professional Charges 2,800 Postage and Telephone 3,500 Books, Printing and Stationery 11,000 Sundry expenses 10,000 Carriage and Packing on Sales 3,300 Discounts 5,000 Debtors 1,78,000 Freehold Property 50,000 Plant and Machinery 12,500 Fixtures and Fittings – Offices 3,500 Office machinery and Equipment 3,000 Motor Car and Van 6,500 Stock of materials on 31st Dec. 2007 1,20,000 Bank 38,000 Sales Tax Paid 15,000 12,35,600 12,35,600 Depreciation is to be provided at the following rates: Plant and Machinery 10% Fixture and Fittings 05% Office Machinery, etc. 10% Motor Vans and Cars 25% The stock of finished goods and work in progress as on 31st December, 2007 was Rs. 35,000. Provide for preference dividend and ordinary dividend at 10%. The total taxation liability is estimated at Rs.1,50,000 of which Rs. 75,000 relates to the current year. Debtors include Rs. 10,000 deposited as security against government contracts. The Works Manager is paid partly by salary and partly by a commission; he is entitled to a commission of 5% on the amount by which the surplus in the factory cost exceeds 20% of the sales for the period. Charge the commission if any in the Profit and Loss Account.

2317


plz you help about Que paper of mahagenco previous your,any model paper relad to it{maharastra power genration}

2394


asked about the power transimmisions and types of power drives and about milling different process types and differnce between straddle milling and gang milling

2072


HELLO SIR VERY GOOD EVENING SIR, I'M KALAMANI. I NEED TO PREPARE FOR UPCOMING "JINDAL STEEL AND POWER LTD" INTERVIEW. I'M MECHANICAL ENGINEER SIR. SO PLEASE SEND ABOUT JINDAL's PREVIOUS APTITDE TEST QESTION PAPERS TO MY MAIL ID : , , . I WANT TO KNOW ABOUT THEIR PROCEDURE TO BE HELD ON THE INTERVIEW? SO PLEASE SIR SEND UR VALUABLE ANSWER TO ME ON ABOVE MAIL ID SIR. THANK U SIR.

2102


I need the complete syllabus and model Question paper for Written exam of JINDAL STEEL AND POWER LTD.,for MECHNAICAL ENGINEERING branch

3308


hello can yoy pls send me previous papers of jindalpower and steel ltd.....'m from instrumentation..... mani1048@gmail.com

2058


what is a reactive power? what is the relation with power factor?

2295


please tell no. & add. of consultancy who recruit me in power plant as instrumen engg. present i m working in power plant as ass.t instrument engg. thanku mahesh 09226562826

2164


can anybody send me some real time screenshots of mapping in informatica powercenter. i will be vary thankful to him. my e-mail id :- prakashkumar.kumhar@gmail.com

4796


population for dinacy of mysore power full kingdomein mysore. economy of mysore crop maharaja palace location of mysore

2437


Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault

2196