Filters
Question type
Study Flashcards

What is the major difficulty of the La-Mont boiler?


A) unstable water circulation
B) deposition of salts
C) overheating of the components
D) boiler working is slow

Correct Answer

verifed

verified

What is the length of shell of a Locomotive boiler?


A) 2m
B) 3m
C) 4m
D) 6m

Correct Answer

verifed

verified

There are two types of water feeding in a boiler, they are ________ and _________


A) open feed system and closed feed system
B) condensed and raw
C) feed-water and clean water
D) hot and cold water

Correct Answer

verifed

verified

Artificial draught is also called as _______


A) force draught
B) induced draught
C) balanced draught
D) mechanical draught

Correct Answer

verifed

verified

Which draught system is used as conjunction with chimney draught?


A) forced steam draught
B) forced draught
C) induced draught
D) balanced draught

Correct Answer

verifed

verified

Why are salts deposited on the evaporator drum?


A) due to continuous circulation of water
B) due to usage of hard water containing calcium content
C) due to circulation of impure water
D) due to the chemicals added in water

Correct Answer

verifed

verified

C

An air preheater is installed ___________


A) between the economiser and chimney
B) before the superheater
C) before the economiser
D) none of the mentioned

Correct Answer

verifed

verified

How can exhaust gas be recovered in the induced draught?


A) by installing the forced draught fan at the starting point
B) by extending the chimney's height
C) by inletting high amount of air from multiple air ducts
D) by installing air preheater and economizer along the gas path

Correct Answer

verifed

verified

In a fire tube boiler, the water to be heated is kept in the ________


A) tubes of the setup
B) shell of the setup with hot gas in tubes
C) tank with a fire chamber that conducts heat by steel rods
D) tank and heated by fire below it

Correct Answer

verifed

verified

Which draught system is also known as turbine draught?


A) forced steam draught
B) induced steam draught
C) natural draught
D) fan draught

Correct Answer

verifed

verified

Where is blower installed in induced draught system?


A) near the boiler
B) base of the chimney
C) above the boiler
D) between economizer and air preheater

Correct Answer

verifed

verified

Which of the following given below as the affect on amount natural draught?


A) boiler operation
B) size of the furnace
C) grade of the fuel
D) dust content in the fuel is used

Correct Answer

verifed

verified

A

What is installed to transfer air into furnace in forced draught system?


A) air blower
B) tuyeres
C) draft gauges
D) cyclone separator

Correct Answer

verifed

verified

Which is the most recent economical method of power generation from boilers?


A) natural circulation boiler
B) fire tube boiler
C) forced circulation
D) super critical boiler

Correct Answer

verifed

verified

What is feature of the Loffler boilers?


A) evaporating water by super heated steam
B) provide better efficiency by re-circulating gas coming out of turbine
C) produce better steam quality by heating the boiler furnace above critical degrees
D) eliminate the extra components used

Correct Answer

verifed

verified

By what is natural draught produced?


A) air duct
B) chimney
C) locomotive exhaust
D) air blower

Correct Answer

verifed

verified

B

Which of the following boilers has the highest heat transfer capacity?


A) subcritical boiler
B) critical boiler
C) forced circulation boiler
D) supercritical boiler

Correct Answer

verifed

verified

Which is most preferred type of draught system?


A) chimney draught
B) fan draught
C) force draught
D) balanced draught

Correct Answer

verifed

verified

Which is the correct formula of total draught loss?


A) ht = hv + hb + hc + hcd
B) ht = hv + hb - hc + hcd
C) ht = hv - hb + hc + hcd
D) ht = hv - hb - hc - hcd

Correct Answer

verifed

verified

Why boiler draught is most essential part of the thermal plants?


A) serves combustion by supplying ample amount of air
B) helps in maintaining air ventilation
C) required to maintain constant air flow
D) stabilizes the boiler system

Correct Answer

verifed

verified

Showing 1 - 20 of 25

Related Exams

Exam 1

Nozzles, Fountains, and Compressible Flow

25 Questions

Exam 2

Friction, Mach Number, and Boiler Operations

25 Questions

Exam 3

Boiler and Fuel

25 Questions

Exam 4

Turbines, Heat Exchangers, and Refrigeration Cycles

25 Questions

Exam 5

Refrigeration and Air Conditioning System Components and Processes

24 Questions

Exam 6

Cooling Systems and Nozzles in Engineering

25 Questions

Exam 7

Understanding Fluid Mechanics and Turbines

25 Questions

Exam 8

Boiler Types and Operations

25 Questions

Exam 10

Steam Boilers and Turbines: Types, Characteristics, and Applications

25 Questions

Exam 11

Understanding Steam Turbines: Ratios, Actions, and Factors

25 Questions

Exam 12

Steam Turbines and Power Cycles

25 Questions

Exam 13

Energy Recovery and Thermodynamics Processes

25 Questions

Exam 14

Condensers and Heat Transfer in Refrigeration and Air Conditioning Systems

25 Questions

Exam 15

Boiler Systems and Fluid Dynamics

25 Questions

Exam 16

Turbines, Cogeneration, Refrigeration, and Air Conditioning Systems

21 Questions

Show Answer