Description : Boiler efficiency is a measure of how effectively _______ energy in fuel is converted into heat energy in steam going to the turbines A Chemical energy B Heat energy C Thermal energy D All of the above
Last Answer : A Chemical energy
Description : A _______ incorporates a firebox or furnace in order to burn the fuel and generate heat. • Steam • Boiler • Hydrogen • None
Last Answer : • Boiler
Description : A _______ incorporates a firebox or furnace in order to burn the fuel and generate heat. A Steam B Boiler C Hydrogen D None
Last Answer : B Boiler
Description : A device known as a _______ is used to release condensate from the pipework whilst preventing the steam from escaping from the system. a. Steam traps b. Steam pipes c. Boiler nose d. Release valve
Last Answer : a. Steam traps
Description : The generated heat is transferred to water to make ______ the process of boiling. • Steam • Boiler • Both • None
Last Answer : • Steam
Description : Steam produced in a boiler can be used for a variety of purposes including space heating, drying and _________________ a. Sterilization b. Humidification c. Power generation d. All of above
Last Answer : d. All of above
Description : A __________ is a type of heat exchange system where water is heated to its' boiling point via combustion of a fuel blown through a tube submerged in water. a. Condensate loop b. Hyperbolic cooling tower c. Steam boiler d. All of above
Last Answer : c. Steam boiler
Description : What is the main disadvantage of Lamont boiler ? a. Less flexible in design b. Low heat transfer rate c. Formation of bubbles d. Low steam generation capacity
Last Answer : c. Formation of bubbles
Description : A boiler or steam generator is a device used to create steam by applying heat energy to _____. • Water • Petrol • Oil • All of the above
Last Answer : • Water
Description : 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
Last Answer : c. Combustion, transfers
Description : A -________ incorporates a firebox or furnace in order to burn the fuel and _________ heat. a. Boiler, generate b. Heat, boiler c. Steam, pressure d. None
Last Answer : a. Boiler, generate
Description : What is the main component in a boiler a) steam b) heat c) pressure condenser d) combination
Last Answer : a) steam
Description : The heat in the boiler is used for making ______ a) steam b) condensing process c) ice d) none of these
Description : A boiler is a device used to create steam by applying __________to water a) Light energy b) heat energy c) Wind energy d) mechanical energy
Last Answer : b) heat energy
Description : What is the function of boiler? • To burn the fuel in a confined closed system With the supply of air • To generate steam in varying pressure • To generate steam at constant pressure • To produce flue gases by burning fuel at a given pressure
Last Answer : • To generate steam at constant pressure
Description : Where is water steam separator drum located in Lamont boiler ? a. Inside of the boiler b. Right above the furnace c. Before the feed water pump d. Outside the boiler
Last Answer : d. Outside the boiler
Description : What type of steam is generated by evaporator tube of Lamont boiler ? a. Saturated steam b. Unsaturated steam c. Superheated steam d. Flash steam
Last Answer : a. Saturated steam
Description : Through what is feed water from hot-well is passed through, before entering steam and water drum in Lamont boiler? a. Evaporator tubes b. Economizer c. Distributor header d. Circulating pump
Last Answer : b. Economizer
Description : The pressure of steam in the engine cylinder at the beginning of the stroke is ________ the boiler pressure. (A) Equal to (B) Less than (C) Higher than (D) None of these
Last Answer : (B) Less than
Description : Find the wrong statement. • Boiler is used to produce electricity in the energy business. • Boiler is used to produce steam for generating electricity. • Boiler can pressurize the water and can also evaporate it. All are wrong.
Last Answer : • Boiler can pressurize the water and can also evaporate it.
Description : What increase as steam pressure increase inside a boiler • Force • Density • Rate of steam conversion • Viscosity
Last Answer : • Density
Description : What is the temperature at which the steam boiler are capable to withstand • 200°C • 280°C • 540°C • 358°C
Last Answer : • 540°C
Description : What is the temperature at which the steam boiler are Capable to withstand a. 200°C b. 280°C c. 540°C d. 358°C
Last Answer : c. 540°C
Description : Which of the following boiler is best suited to meet the fluctuating demand of steam....... A locomotive boiler. B Lancashire boiler C Cornish boiler D Babcock and wilcox boiler
Last Answer : A locomotive boiler.
Description : An economiser in a boiler........ A]Increases steam pressure. B]Increases steam flow C]Decreases fuel consumption D]Decreases steam pressure
Last Answer : C]Decreases fuel consumption
Description : Which of the following boiler is best suited to meet the fluctuating demand of steam....... A]Locomotive boiler. B]Lancashire boiler C]Cornish boiler D]Babcock and wilcox boiler
Last Answer : A]Locomotive boiler.
Description : The biggest loss in the boiler is a) Moisture in fuel b) Dry flue gases c) Steam formation d) Unburnt carbon
Last Answer : b) Dry flue gases
Description : The relative heat absorption for successively added equal areas of boiler convection heating surfaces__________ (A) Increases (B) Decreases (C) Remain unaffected (D) First increases and then decreases
Last Answer : (B) Decreases
Description : The diameter of internal flue tubes of a Lancashire boiler is about _______ that of it’s shell a. One fourth b. One third c. Two fifth d. One half
Last Answer : c. Two fifth
Description : The diameter of fine tubes in Cochran boiler is of order of _______ a. 2cm b. 6cm c. 8cm d. 15cm
Last Answer : b. 6cm
Description : The water tubes in a simple vertical boiler are _______ a. Horizontal b. Vertical c. Inclined d. All of the above
Last Answer : c. Inclined
Description : If the water level inside the boiler were not carefully control cased… a) explosion b) overheat and fail c) both a) & b) d) None of above
Last Answer : c) both a) & b)
Description : The _______ system includes anywhere that the steam condenses to form liquid water. a. Loop b. Power c. Liquid d. Condensate
Last Answer : d. Condensate
Description : Combustion of which fuels from following is source of heat for boiler 1. Wood 2. Coal 3. Oil 4. All of above
Last Answer : 4. All of above
Description : Basic Parts of a Boiler. Burner, • the combustion chamber, • the heat exchanger • All of the above
Last Answer : • All of the above
Description : The economiser is used in boilers to........ A]Increase thermal efficiency of boiler B]Economise on fuel C]Extract heat from the exhaust the gases D]Increase flue gas temperature
Last Answer : A]Increase thermal efficiency of boiler
Description : When the bubbles of steam are produced? • Once the water reaches saturation temperature • Once the water starts evaporating • Once the temperature decreases • None of the above
Last Answer : • Once the water reaches saturation temperature
Description : The draught may be produced by a_________ a) Chimney b) Mechanical fan c) Steam jet d) All of the above
Last Answer : d) All of the above
Description : The draught in locomotive boilers is produced by a ___________ a) Chimney b) Centrifugal fan c) Steam jet d) All of the above
Last Answer : c) Steam jet
Description : when steam is condensate volume is drastically……. a) reduces b) increase c) both a) & b) d) None of above
Last Answer : a) reduces
Description : ……… is excellent carrier of heat a) Water b) steam c) solid d) None of above
Last Answer : b) steam
Description : What kind of energy output is obtained from a ‘Steam Power Plant’? a. Heat energy b. Sound energy c. Electricity d. Thermal energy
Last Answer : c. Electricity
Description : For caring the heat efficiently the steam must be__________ a) dry b) wet c) saturated d) none of above
Last Answer : c) saturated
Description : _________is the most widely used media in distribution of heat over distance in industries a) Steam b) light c) Springs c) water
Last Answer : a) Steam
Description : Which of the following is the combustion accessory of a boiler? • Fuel oil system • Gas system • Coal system • All of the above
Description : Direct relation between…….. &………of saturated steam, the amount of energy input to process easy to control. a) volume, pressure b) volume, temperature c) temperature, pressure d) None of above
Last Answer : c) temperature, pressure
Description : 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
Last Answer : a. Combustion air positive shut off devices
Description : In which year was Lamont boiler invented? a. 1905 b. 1910 c. 1920 d. 1925
Last Answer : d. 1925
Description : What is the pressure range between which Lamont boiler operator ? a. 80-120 bar b. 120-160 bar c. 180-360 bar d. 450-560 bar
Last Answer : b. 120-160 bar
Description : Through which does the even circulation of water is possible in Lamont boiler ? a. Nozzles b. Water trough c. Feed pump d. Hose
Last Answer : a. Nozzles