Electrical Engg. By Ashish sir
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Repost from Electrical By Chetan Sir BYJU'S
Are you preparing for the MAHAGENCO or PGCIL or DDA JE? Let's practice the last 5 year's most expected questions with Ashish Sir live @ 12:00 PM on 23rd Dec only on BYJU’s Exam Prep App!!
Session Link:https://xu75j.app.goo.gl/TNFih
App Link: https://bit.ly/BEP_APP_Download
Repost from Electrical By Chetan Sir BYJU'S
Are you preparing for the MAHAGENCO or PGCIL or DDA JE? Let's practice the last 5 year's most expected questions with Ashish Sir live @ 12:00 PM on 22nd Dec only on BYJU’s Exam Prep App!!
Session Link:https://xu75j.app.goo.gl/NGj59
App Link:https://bit.ly/BEP_APP_Download
Repost from Electrical Engg. By Ashish sir
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50.The zero sequence reactance will be more than the positive sequence reactance, if the equipment is a
A.Generator
B.Transformer C. Neither (a) nor (b) D. Both (a) and (b)
49. Ash handling system is mainly divided into________________ systems.
a. Mechanical handling b. Pneumatic c. Hydraulic d. All of these
48. What is the important factor in fuel selection?
a. Cost of fuel. b. Calorific value c. Both (a) & (b) d. None of these
47.Why is pulverised coal used?
a. Better burning. b. Increased calorific value of coal. c. Medium size units. d. Less radiation loss.
46. What is pulverised coal?
a. Non smoking coal. b. Coal free from ash. c. Coal broken into fine particles. d. Coal which burns for long time.
45. Which of the following is/are an/ the essential element/s for the combustion of fuel?
a. Oxygen b. Correct fuel air ratio. c. Proper ignition temperature. d. All of these.
44. What is the percentage of ash content in Indian coal?
a. 5 % b. 10 % c. 20 % d. 30 %
43 The elements that are combustible in the fuel are
a. Carbon and hydrogen. b. Carbon, hydrogen and ash. c. Carbon, hydrogen and sulphur. d. Carbon, nitrogen and ash.
42. On which factor does the calorific value of coal depend?
a. Ash content. b. Size of coal particles c. Moisture content. d. Volatile material.
