Sail E0 Webinar

MCQs

Total Questions : 2104 | Page 9 of 211 pages
Question 81.


The colour code of a carbon resistance is yellow-violet-orange silver. The value of resistance is



  1.    57000 ω ± 5%
  2.    47000 ω ± 10%
  3.    47000 ω ± 5%
  4.    57000 ω ± 5%
 Discuss Question
Answer: Option B. -> 47000 ω ± 10%


Question 82.


In solid dielectrics the rate of deterioration doubles for every 10-`12^circ`C rise in temperature.



  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True


Question 83.

Kirchoff's laws are applicable to



  1.    steady state conditions only
  2.    transient conditions only
  3.    both steady state and transient condition
  4.    both steady state and transient condition but with some constraints
 Discuss Question
Answer: Option C. -> both steady state and transient condition


Question 84.

While using Maxwell bridge, the Q factor of a coil is obtained as



  1.    1/ωCR
  2.    ωCR
  3.    ωC/R
  4.    R/ωC
 Discuss Question
Answer: Option B. -> ωCR


Question 85.


For representing two sinusoidal voltages on a phasor diagram



  1.    Both voltages must be of the same frequency
  2.    Both voltages must be sinusoidal but may be of different frequencies
  3.    One of the voltages must be of 50 Hz
  4.    The frequency of one must be integral of that of other
 Discuss Question
Answer: Option A. -> Both voltages must be of the same frequency


Question 86.


In series as well as parallel resonant circuits, increasing the value of resistance would lead to



  1.    decrease in bandwidth of both the circuits
  2.    increase in bandwidth of both the circuits
  3.    decrease in bandwidth in series circuit and increase in parallel circuit
  4.    increase in bandwidth in series circuit and decrease in parallel circuit
 Discuss Question
Answer: Option C. -> decrease in bandwidth in series circuit and increase in parallel circuit


Question 87.

In a Hurwitz polynomial


  1.    all coefficients are non-negative
  2.    the coefficients may be positive or negative
  3.    all coefficients are negative
  4.    all coefficients are non-negative and all zeros should be either in left half plane or simple on the imaginary axis
 Discuss Question
Answer: Option D. -> all coefficients are non-negative and all zeros should be either in left half plane or simple on the imaginary axis


Question 88.

For an RC admittance function


  1.    all poles and zeros are simple
  2.    all poles and zeros are simple and lie on negative real axis
  3.    all poles and zeros lie on imaginary axis
  4.    all poles and zeros lie on positive real axis
 Discuss Question
Answer: Option B. -> all poles and zeros are simple and lie on negative real axis


Question 89.


If resistance is 20 `omega` and inductance is 2 H in a R-L series circuit, then time constant of this will be



  1.    0.001 s
  2.    0.1 s
  3.    10 s
  4.    100 s
 Discuss Question
Answer: Option B. -> 0.1 s


Question 90.


The following table gives some Laplace transforms and the functions

 f(t) F(s)

1.`delta`(t) s

2. u(t) 1/s

3. tu(t) 2/s2

4. t2u(t) 2s3

Of these the correctly matched pairs are


  1.    2 and 4
  2.    1 and 4
  3.    2 and 4
  4.    1 and 2
 Discuss Question
Answer: Option A. -> 2 and 4


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