Sail E0 Webinar

MCQs

Total Questions : 95 | Page 2 of 10 pages
Question 11. Gain margin and phase margin can be determined from bode plots as well as nyquist plot.
  1.     True
  2.     False
  3.     Both (a) and (b)
  4.     Neither (a) nor (b)
 Discuss Question
Answer: Option A. ->  True
Question 12. For a stable system having two or more gain crossover frequencies the phase margin is measured at the highest crossover frequency.
  1.     True
  2.     False
 Discuss Question
Answer: Option A. ->  True
Question 13. Which of the following can be used as a rotating amplifier in a control system?1. amplidyne2. separately excited dc generator3. synchro4. self excited dc generator
  1.     3 and 4
  2.     1 and 2
  3.     1, 2 and 3
  4.     All
 Discuss Question
Answer: Option B. ->  1 and 2
Question 14. The sensor generally used in incremental optical encoder is
  1.     LED
  2.     LCD
  3.     Photodiode
  4.     Either (a) or (b)
 Discuss Question
Answer: Option C. ->  Photodiode
Question 15. The poles with greater displacement from the real axis correspond to
  1.     Higher frequencies of oscillations
  2.     Stable response
  3.     Lower frequencies of oscillations
  4.     Unbounded output
 Discuss Question
Answer: Option A. ->  Higher frequencies of oscillations
Question 16. In force current analogue, mechanical mobility is analogous to
  1.     Impedance Z
  2.     Admittance Y
  3.     Reactance X
  4.     Conductance G
 Discuss Question
Answer: Option A. ->  Impedance Z
Question 17. Nichols chart consists of
  1.     Constant magnitude loci
  2.     Constant phase angle loci
  3.     Magnitude and phase angle loci in log-magnitude versus phase diagram
  4.     None of the above
 Discuss Question
Answer: Option C. ->  Magnitude and phase angle loci in log-magnitude versus phase diagram
Question 18. Magnetic amplifier is used for
  1.     Voltage amplification
  2.     Power amplification
  3.     Current amplification
  4.     Frequency amplification
 Discuss Question
Answer: Option B. ->  Power amplification
Question 19. Which control action can never be used alone?
  1.     Proportional
  2.     Derivative
  3.     Integral
  4.     Both (b) and (c)
 Discuss Question
Answer: Option B. ->  Derivative
Question 20. In a simple on-off controller with differential gap, the magnitude of differential gap determines
  1.     The level of accuracy
  2.     The life of controller
  3.     Both (a) and (b)
  4.     Neither (a) nor (b)
 Discuss Question
Answer: Option C. ->  Both (a) and (b)

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