Combustion air positive shut-off shall be provided on all newly installed _______ a. Grant boilers b. Process boilers c. Worcester boilers d. All of the above

Combustion air positive shut-off shall be provided on all newly installed _______
a. Grant boilers
b. Process boilers
c. Worcester boilers
d. All of the above
by

1 Answer

Answer :

b. Process boilers
by

Related questions

A flue damper and a vent damper are two examples of _______ a. Combustion air positive shut off devices b. Combustion air negative shut off devices c. Both a. & b. d. None of the above

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Last Answer : a. Combustion air positive shut off devices

For process boilers , combustion air fans must meet the following requirements ___ a. The fan motor shall be driven by a variable speed drive b. The fan motor shall include controls that limit the fan motor demand to no more than 30 %. c. Both a. & b. d. None of the above

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Last Answer : c. Both a. & b.

Use of ______ is prohibited in process boilers. a. Use of a common gas b. combustion air control linkage c. jack shaft d. All of the above

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Last Answer : d. All of the above

Process boilers with capacity of 2.5 MMBtu/h and above are also referred as _ a. Natural draft boilers b. Atmospheric boilers c. Both a. And b. d. None of the above

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Industrial boilers are closed vessels that use a fuel source or electricity to generate ________for industrial purposes. • Fuel Food • Steam

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Steam Boilers is used in _________industries • Heating Requirement for Facility. • Steam for Batching. • Steam for Processing. • All of the above

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The draught in locomotive boilers is produced by a ___________ a) Chimney b) Centrifugal fan c) Steam jet d) All of the above

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Water tube boilers produces steam at a________ pressure than that of fire tube boilers. a) Higher b) Lower c) Same d) None of the above

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Fire tube boilers are those in which a) Flue gases pass through tubes and water around it b) Water passes through the tubes and flue gases around it c) Work is done during adiabatic expansion d) Change is enthalpy

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Based on the exhaust gas analysis, a controller maintains stoichiometric combustion __ a. by commanding a servo motor to adjust the combustion air damper b. By commanding servo motor to adjust the fuel supply valve. c. Both a. & b. d. None of the above.

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Oxygen trim control strategy __ a. continuously measures the oxygen content in the flue gas b. adjusts the combustion air flow c. Continually tuning the air-fuel mixture. d. All of above

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Boiler works from application of which type of energies 1. Fuel combustion 2. Electricity 3. Nuclear energy 4. All of above

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A boiler is an enclosed vessel that provides a means for ________ and ______ heat to water until it becomes hot water or steam. a. Generate, boiler b. Condenser, loop c. Combustion, transfers d. All of above

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Why did the ruling in Worcester v. Georgia have little positive effect?

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Adiabatic process is (A) Essentially an isentropic process is___________ (B) Non-heat transfer process (C) Reversible process (D) Constant temperature process

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Last Answer : c) temperature, pressure