Sail E0 Webinar

MCQs

Total Questions : 219 | Page 11 of 22 pages
Question 101. Out of the following which is an insulating material?
  1.    Copper
  2.    Gold
  3.    Silver
  4.    Paper
 Discuss Question
Answer: Option D. -> Paper
Question 102. A nichrome wire used as a heater coil has the resistance of 2 £2/m. For a heater of 1 kW at 200 V, the length of wire required will be
  1.    80 m
  2.    60 m
  3.    40 m
  4.    20 m
 Discuss Question
Answer: Option A. -> 80 m
Question 103. Ohm's law is not applicable to
  1.    Semiconductors
  2.    D.C. circuits
  3.    Small resistors
  4.    High currents
 Discuss Question
Answer: Option A. -> Semiconductors
Question 104. Ohm’s law is not applicable to
  1.    vacuum tubes
  2.    carbon resistors
  3.    high voltage circuits
  4.    circuits with low current densities
 Discuss Question
Answer: Option A. -> vacuum tubes
Question 105. When electric current passes through a metallic conductor, its temperature rises. This is due to
  1.    Collisions between conduction electrons and atoms
  2.    The release of conduction electrons from parent atoms
  3.    Mutual collisions between metal atoms
  4.    Mutual collisions between conducting electrons
 Discuss Question
Answer: Option A. -> Collisions between conduction electrons and atoms
Question 106. The number of electrons in the outer most orbit of carbon atom is
  1.    3
  2.    4
  3.    6
  4.    7
 Discuss Question
Answer: Option B. -> 4
Question 107. What is the answer to this question? The resistance of a few meters of wire conductor in closed electrical circuit is
  1.    Practically zero
  2.    Low
  3.    High
  4.    Very high
 Discuss Question
Answer: Option A. -> Practically zero
Question 108. If I, R and t are the current, resistance and time respectively, then according to Joule’s law heat produced will be proportional to
  1.    I²Rt
  2.    I²Rt²
  3.    I²R²t
  4.    I²R²t²
 Discuss Question
Answer: Option A. -> I²Rt
Question 109. No current flow between two charged bodies if they have same
  1.    Charge
  2.    Capacity
  3.    None of the listed here
  4.    Potential
 Discuss Question
Answer: Option D. -> Potential
Question 110. The resistance of human body is about
  1.    200 ohm
  2.    25 ohm
  3.    1000 ohm
  4.    10 ohm
 Discuss Question
Answer: Option C. -> 1000 ohm

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 CBT Mock Test SAIL E0 2024
Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI
Chapter 1.1 : INTRODUCTION Chapter 1 : Raw Material Handling Plant SAIL E0 - GPOE/GPA 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