Related Questions

A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.
A Blow off cock
B Fusible plug
C Stop valve
D Safety valve
Which of the following is not a continuous waste heat recovery equipment from the flue gases going out of furnace?
A Economiser
B Regenerator
C Ceramic recuperator
D Waste heat boiler
The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is
A Conduction
B Convection
C Both A & B
D Radiation
A device used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit, is called
A Blow off cock
B Stop valve
C Superheater
D None of these
A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is known as
A Superheater
B Air-preheater
C Economizer
D Injector
Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of
A Fireclay
B Silicon carbide
C Corrundum
D Siliceous fireclay
By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of
A Tar
B Benzol
C Ammonia
D None of these
Which furnace employs an I.D. fan for the removal of flue gases from the furnace?
A Coke oven
B Blast furnace stoves
C Beehive coke oven
D High pressure boiler
There are two domains on your network. The DESIGN domain trusts the SALES domain. A color printer is shared in the DESIGN domain, and print permissions have been granted to the Domain Users and Domain Guests groups in the DESIGN domain. The Guest account has been enabled in the DESIGN domain. User John Y logs on using his account in the SALES domain. What must you do to allow JohnY to access the printer?
A Make JohnY a member of the DESIGN Domain Guests group
B Make JohnY a member of the DESIGN Domain Users group
C Do nothing. JohnY can access the printer now
D JohnY cannot access the printer with this configuration
E None of the above
Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the
A Physical nature, ash content and fineness of the coal
B Amount of excess air supplied and load on the boiler
C Type of burner and combustion chamber
D All of the above

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