Sail E0 Webinar

MCQs

Total Questions : 1232 | Page 5 of 124 pages
Question 41. The slot leakage can be calculated by making which of the following assumptions ?
  1.    The current in the slot conductors is uniformly distributed over their cross-section
  2.    The leakage path is straight across the slot and around the iron at the bottom
  3.    The permanence of air paths is only considered. The reluctance of iron paths is assumed as zero
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 42. The stator of a D.C. machine comprises of
  1.    main poles
  2.    interpoles
  3.    frame
  4.    all of the above
 Discuss Question
Answer: Option D. -> all of the above
Question 43. Electrical machines having power outputs ranging from a few kW up to approximately 250 kW may be classified as
  1.    small size machines
  2.    medium size machines
  3.    large size machines
  4.    any of the above
 Discuss Question
Answer: Option B. -> medium size machines
Question 44. The desirable static characteristics of a measuring system are
  1.    accuracy and reproducibility
  2.    accuracy, sensitivity and reproducibility
  3.    drift and dead zone
  4.    static error
 Discuss Question
Answer: Option B. -> accuracy, sensitivity and reproducibility
Question 45. In an Anderson bridge, the unknown inductance is measured in terms of
  1.    known inductance and resistance
  2.    known capacitance and resistance
  3.    known resistance
  4.    known inductance
 Discuss Question
Answer: Option B. -> known capacitance and resistance
Question 46. A moving iron instrument can be used for
  1.    D.C. only
  2.    A.C. only
  3.    both D.C. and A.C.
  4.    neither D.C. and A.C.
 Discuss Question
Answer: Option C. -> both D.C. and A.C.
Question 47. Machines cooled by direct cooling method may be called
  1.    supercharged
  2.    inner cooled
  3.    conductor cooled
  4.    any of the above
 Discuss Question
Answer: Option D. -> any of the above
Question 48. In D.C. machines the usual limit of slot pitch is
  1.    between 5 to 10 mm
  2.    between 10 to 15 mm
  3.    between 15 to 20 mm
  4.    between 25 to 35 mm
 Discuss Question
Answer: Option D. -> between 25 to 35 mm
Question 49. In majority of instruments damping is provided by
  1.    fluid friction
  2.    spring
  3.    eddy currents
  4.    all of the above
 Discuss Question
Answer: Option C. -> eddy currents
Question 50. _______ instruments are those which measure the total quantity of electricity delivered in a particular time.
  1.    Absolute
  2.    Indicating
  3.    Recording
  4.    Integrating
 Discuss Question
Answer: Option D. -> Integrating

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI
Tabulation - Test Paper 2 Data Interpretation Reasoning & DI
Test Paper 1 Direction Sense Test Reasoning & DI
ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0
GFM Combined 1 Free Revision Test SAIL JO E-0