Sail E0 Webinar

MCQs

Total Questions : 828 | Page 8 of 83 pages
Question 71. If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be
  1.    4 mm/hr
  2.    10 mm/hr
  3.    20 mm/hr
  4.    40 mm/hr
 Discuss Question
Answer: Option D. -> 40 mm/hr
Question 72. Dissolved oxygen in streams is
  1.    Maximum at noon
  2.    Minimum at noon
  3.    Maximum at midnight
  4.    Same throughout the day
 Discuss Question
Answer: Option A. -> Maximum at noon
Question 73. For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be
  1.    Separate system
  2.    Combined system
  3.    Partially combined system
  4.    Partially separate system
 Discuss Question
Answer: Option A. -> Separate system
Question 74. For normal sludge, the value of sludge index for Indian conditions is
  1.    0 to 50
  2.    50 to 150
  3.    150 to 350
  4.    350 to 500
 Discuss Question
Answer: Option C. -> 150 to 350
Question 75. The most common cause of acidity in water is
  1.    Carbon dioxide
  2.    Oxygen
  3.    Hydrogen
  4.    Nitrogen
 Discuss Question
Answer: Option A. -> Carbon dioxide
Question 76. The length of rectangular sedimentation tank should not be more than(Where ‘B’ is the width of the tank)
  1.    B
  2.    2B
  3.    4B
  4.    8B
 Discuss Question
Answer: Option C. -> 4B
Question 77. Septic tank is a (i) Settling tank (ii) Digestion tank (iii) Aeration tank
  1.    Only (i)
  2.    (i) and (ii)
  3.    (i) and (iii)
  4.    Only (iii)
 Discuss Question
Answer: Option B. -> (i) and (ii)
Question 78. Double filtration is used
  1.    To increase the filtration slow sand filters capacity of
  2.    To increase the filtration rapid sand filters capacity of
  3.    For isolated buildings like pools, hotels etc swimming
  4.    All of the above
 Discuss Question
Answer: Option A. -> To increase the filtration slow sand filters capacity of
Question 79. Which of the following chemical compounds can be used for de-chlorination of water?
  1.    Carbon dioxide
  2.    Bleaching powder
  3.    Sulphur dioxide
  4.    Chloramines
 Discuss Question
Answer: Option C. -> Sulphur dioxide
Question 80. The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is
  1.    Check valve
  2.    Sluice valve
  3.    Safety valve
  4.    Scour valve
 Discuss Question
Answer: Option B. -> Sluice valve

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