Sail E0 Webinar

MCQs

Total Questions : 1935 | Page 190 of 194 pages
Question 1891. For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has ____________________?
  1.    more heating surface
  2.    less heating surface
  3.    equal heating surface
  4.    heating surface depends on other parameters
  5.    none of the above
 Discuss Question
Answer: Option A. -> more heating surface
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1892. Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler _________________?
  1.    increases
  2.    decreases
  3.    remains unaffected
  4.    first increases and then decreases
  5.    first decreases and then increases
 Discuss Question
Answer: Option B. -> decreases
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1893. Deaeration of feed water is carried out because it reduces ____________________?
  1.    cavitation of .boiler feed pumps
  2.    corrosion caused by oxygen
  3.    heat transfer coefficient
  4.    pH value of water
  5.    weight of water to be handled
 Discuss Question
Answer: Option B. -> corrosion caused by oxygen
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1894. During storage, the heating value of coal __________________?
  1.    increases
  2.    decreases
  3.    remains constant
  4.    may increase or decrease depending upon the method of storage
  5.    none of the above
 Discuss Question
Answer: Option B. -> decreases
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1895. Overfire burning is the phenomenon of _____________________?
  1.    supply of excess, air
  2.    supply of excess coal
  3.    burning CO and unburnts in upper zone of furnace by supplying more air
  4.    fuel bed firing
  5.    none of the above
 Discuss Question
Answer: Option C. -> burning CO and unburnts in upper zone of furnace by supplying more air
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1896. In ordetjo obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will _________________?
  1.    remain unaffected
  2.    improve C. worsen
  3.    may improve/worsen depending on size
  4.    unpredictable
 Discuss Question
Answer: Option C. -> may improve/worsen depending on size
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1897. Boiler parameters are expressed by ___________________?
  1.    tonnes/hr. of steam
  2.    pressure of steam in kg/cm2
  3.    temperature of steam in °C
  4.    all of the above
  5.    none of the above
 Discuss Question
Answer: Option D. -> all of the above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1898. Calorific value of coal is of the order of _______________________?
  1.    200-400 kcal/kg
  2.    800-1200 kcal/kg
  3.    2000-4000 kcal/kg
  4.    5000-8000 kcal/kg
  5.    8000-10,000 kcal/kg
 Discuss Question
Answer: Option C. -> 2000-4000 kcal/kg
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1899. Feed water conditioning in thermal power plants in done to__________________?
  1.    reduce hardness and for removal of solids
  2.    increase efficiency-of thermal power plant
  3.    increase *heat transfer rate
  4.    increase steam parameters
  5.    all of the above
 Discuss Question
Answer: Option A. -> reduce hardness and for removal of solids
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1900. The condition of steam in boiler drum is always ___________________?
  1.    dry
  2.    wet
  3.    saturated
  4.    supersaturated
  5.    superheated
 Discuss Question
Answer: Option B. -> wet
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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

DSP Combined 1 Free Revision Test SAIL JO E-0
GPOE / GPA Combined 1 Free Revision Test SAIL JO E-0
BSP Plant Specific Review Test SAIL JO E-0
BSL Combined 1 Free Revision Test SAIL JO E-0
GFM Combined 1 Free Revision Test SAIL JO E-0