Sail E0 Webinar

MCQs

Total Questions : 347 | Page 1 of 35 pages
Question 1. The correct mixture strength (by weight) for petrol is about
  1.    14.6:1
  2.    18.5:1
  3.    20.4:1
  4.    22.6:1
 Discuss Question
Answer: Option A. -> 14.6:1
Answer: (a).14.6:1
Question 2. The control rods in the control system of nuclear reactors are used to
  1.    absorb excess neutrons
  2.    control fuel consumption
  3.    control temperature
  4.    all of these
 Discuss Question
Answer: Option A. -> absorb excess neutrons
Answer: (a).absorb excess neutrons
Question 3. The working pressure and temperature inside the cylinder of an internal combustion engine is __________ as compared to a steam engine.
  1.    low
  2.    very low
  3.    high
  4.    very high
 Discuss Question
Answer: Option D. -> very high
Answer: (d).very high
Question 4. The scavenging efficiency of a four stroke cycle diesel engine is
  1.    below 50%
  2.    between 50 and 85%
  3.    between 85 and 95%
  4.    between 95 and 100%
 Discuss Question
Answer: Option D. -> between 95 and 100%
Answer: (d).between 95 and 100%
Question 5. The voltage required to produce a spark across the gap, between the sparking points is
  1.    2000 to 4000 volts
  2.    4000 to 6000 volts
  3.    6000 to 10 000 volts
  4.    10 000 to 12 000 volts
 Discuss Question
Answer: Option C. -> 6000 to 10 000 volts
Answer: (c).6000 to 10 000 volts
Question 6. Lubrication in I.C. engines dissipates the heat generated from the moving parts due to friction.
  1.    True
  2.    False
  3.    Can't say
  4.    None of these
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 7. The theoretically correct mixture of air and petrol is
  1.    10:1
  2.    15:1
  3.    20:1
  4.    25:1
 Discuss Question
Answer: Option B. -> 15:1
Answer: (b).15:1
Question 8. The ratio of the heat equivalent to one kW hour to the heat in fuel per B.P. hour is termed as brake thermal efficiency.
  1.    Yes
  2.    No
  3.    Can't say
  4.    None of these
 Discuss Question
Answer: Option A. -> Yes
Answer: (a).Yes
Question 9. Which of the following does not relate to a compression ignition engine?
  1.    Fuel pump
  2.    Fuel injector
  3.    Governor
  4.    Carburettor
 Discuss Question
Answer: Option D. -> Carburettor
Answer: (d).Carburettor
Question 10. Which of the following statement is correct regarding petrol engines?
  1.    A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure.
  2.    The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug.
  3.    The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition.
  4.    all of the above
 Discuss Question
Answer: Option B. -> The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug.
Answer: (b).The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug.

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