Sail E0 Webinar

MCQs

Total Questions : 109 | Page 7 of 11 pages
Question 61. A parallel AC. circuit in resonance will
  1.    Have a high voltage developed across each inductive and capacitive section
  2.    Have a high impedance
  3.    Act like a resistor of low value
  4.    Have current in each section equal to the line current
 Discuss Question
Answer: Option B. -> Have a high impedance
Question 62. The product of apparent power and cosine of the phase angle between circuit voltage and current is
  1.    True power
  2.    Reactive power
  3.    Volt-amperes
  4.    Instantaneous power
 Discuss Question
Answer: Option A. -> True power
Question 63. Which of the following waves has the highest value of peak factor ?
  1.    Square wave
  2.    Sine wave
  3.    Half wave rectified sine wave
  4.    Triangular wave
 Discuss Question
Answer: Option C. -> Half wave rectified sine wave
Question 64. Pure inductive circuit takes power from the A.C. line when
  1.    Applied voltage decreases but current increases
  2.    Applied voltage increases but current decreases
  3.    Both applied voltage and current increase
  4.    Both applied voltage and current decrease
 Discuss Question
Answer: Option A. -> Applied voltage decreases but current increases
Question 65. In a highly capacitive circuit the
  1.    Apparent power is equal to the actual power
  2.    Reactive power is more than the apparent power
  3.    Reactive power is more than the actual power
  4.    Actual power is more than its reactive power
 Discuss Question
Answer: Option C. -> Reactive power is more than the actual power
Question 66. Pure inductive circuit
  1.    Consumes some power on average
  2.    Does not take power at all from a line
  3.    Takes power from the line during some part of the cycle and then returns back to it during other part of the cycle
  4.    None of the above
 Discuss Question
Answer: Option C. -> Takes power from the line during some part of the cycle and then returns back to it during other part of the cycle
Question 67. In a pure inductive circuit
  1.    The current is in phase with the voltage
  2.    The current lags behind the voltage by 90°
  3.    The current leads the voltage by 90°
  4.    The current can lead or lag by 90°
 Discuss Question
Answer: Option B. -> The current lags behind the voltage by 90°
Question 68. Which of the following statements pertains to resistors only?
  1.    Can dissipate considerable amount of power
  2.    Can act as energy storage devices
  3.    Connecting them in parallel increases the total value
  4.    Oppose sudden changes in voltage
 Discuss Question
Answer: Option A. -> Can dissipate considerable amount of power
Question 69. In a series L-C circuit at the resonant frequency the
  1.    Current is maximum
  2.    Current is minimum
  3.    Impedance is maximum
  4.    Voltage across C is minimum
 Discuss Question
Answer: Option A. -> Current is maximum
Question 70. The best place to install a capacitor is
  1.    Very near to inductive load
  2.    Across the terminals of the inductive load
  3.    Far away from the inductive load
  4.    Any where
 Discuss Question
Answer: Option B. -> Across the terminals of the inductive load

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