Sail E0 Webinar

MCQs

Total Questions : 604 | Page 57 of 61 pages
Question 561. 2.  A unity feedback control system has forward path transfer function G(s) given by C(s)? , 10(1 + s) s`(s + 12) (s + 5) The steady-state error due to unit parabolic input r(t)= ?2 U(t) is t2
  1.    zero
  2.    0.5
  3.    1
  4.    infinite
 Discuss Question
Answer: Option D. -> infinite
Question 562. 0.  Consider the signals xi(t) = 2 sin nt + cos 4nt and x2(t) = sin 5nt + 3 sin 13 nt :
  1.    Both the signals are periodic
  2.    Both the signals are not periodic
  3.    xi is periodic, but x2 is not periodic
  4.    xi is not peiodic, but x2 is periodic
 Discuss Question
Answer: Option C. -> xi is periodic, but x2 is not periodic
Question 563. 9.  A sampled signal has z-transform Tz R(z) ?2 ? Which of the following (z ? 1)time-domain signals does it represent?
  1.    Exponential
  2.    Step
  3.    Ramp
  4.    Sinusoidal
 Discuss Question
Answer: Option A. -> Exponential
Question 564. 4.  The root locus plot of a system having open loop transfer function K(s + 10) (s + 70) G(s) H(s) ? s' (s + 100) (s + 200) will have angle of asymptotes as
  1.    60?, 1000
  2.    60?, 180?, 300?
  3.    60?, 120?, 180?
  4.    60?, 90?, 120?
 Discuss Question
Answer: Option B. -> 60?, 180?, 300?
Question 565. 3.  For the control system with K(s + 2) G(s) H(s) s(s` + 2s + 3) the type number is
  1.    2
  2.    1
  3.    4
  4.    C 3
 Discuss Question
Answer: Option A. -> 2
Question 566. 1.  Given a unity feedback system with G(s) , the value of K for s(s + 4) damping ratio of 0.5 is
  1.    1
  2.    16
  3.    4
  4.    2
 Discuss Question
Answer: Option B. -> 16
Question 567. 5.  Consider the equations : 2s4+s3+3s2+ 5s+ 10=0 The number of roots this equation has in the right-half of s-plane is
  1.    one
  2.    two
  3.    three
  4.    four
 Discuss Question
Answer: Option B. -> two
Question 568. 7.  For a fixed choice of steady-state velocity-error, the use of derivative output compensation in a proportional second order control system increases which of the following? I. Settling time 2. Undamped natural frequency 3. Damping ratio Select the correct answer using the codes given below :Codes :
  1.    I , 2 and 3
  2.    1 and 2
  3.    2 and 3
  4.    1 and 3
 Discuss Question
Answer: Option C. -> 2 and 3
Question 569. 8.  The open loop transfer function of a unity feedback system is given as G(S) ?s + 1The bandwidth for this system, under open loop and closed loop operations are respectively :
  1.    0.5 and 1.0 rad/s
  2.    1.0 and 0.5 rad/s
  3.    1.0 and 2.0 rad/s
  4.    2.0 and 1.0 rad/s
 Discuss Question
Answer: Option C. -> 1.0 and 2.0 rad/s
Question 570. 6.  The Nyquist plot of a system passes through (-1, j0) point in the CH plane. The phase margin of the system is
  1.    > 0
  2.    zero
  3.    < 0
  4.    infinite
 Discuss Question
Answer: Option B. -> zero

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

GPOE / GPA Combined 1 Free Mock Test SAIL JO E-0 2024
Chapter 3.1 : INTRODUCTION Chapter 3 : Sinter Plant SAIL E0 - GPOE/GPA 2024
Chapter 2.3 : COAL HANDLING PLANT - Set 1 Chapter 2 : Coke Ovens and Coal Chemicals SAIL E0 - GPOE/GPA 2024
Chapter 1.1 : INTRODUCTION Chapter 1 : Raw Material Handling Plant SAIL E0 - GPOE/GPA 2024
DSP Combined 1 Free Revision Test SAIL JO E-0