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 : A steam and condensate system represents a _____ loop. • Discontinuous • Continuous • None of the above • All of the above
Last Answer : • Continuous
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 : 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 : 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 : ____________is used to release condensate in pipe work a) steam trap b) valves c) power generators d) none of above
Last Answer : b) valves
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 : Once the condensate reaches the _____ , it becomes available to the boiler for recycling. • Condenser • Turbine • Boiler • Generator
Last Answer : • Boiler
Description : Water that is fed back to the boiler by the pump is called? a. Absorber b. Absolute c. Compressor d. Condensate
Description : The back pressure created by lift is approximately ______PSIG for every 2 feet of condensate lift. a. 1 PSIG b. 3PSIG c. 1PSGI d. 3PSGI
Last Answer : a. 1 PSIG
Description : Which cooling Towers use a process similar to the one found in small evaporation active cooling units a) hyperbolic b) Tower c) condensate loop d) none of these
Last Answer : a) hyperbolic
Description : What happens when air dissolves in condensate? a) non corrosive b) temperature of air increases c) corrosive d) none of above
Last Answer : c) corrosive
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 : Steam is regularly used for propulsion (as a driving force) in applications such as ________ turbines. • Gas turbine • Steam turbine • Water turbine
Last Answer : • Steam turbine
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 : ……… is excellent carrier of heat a) Water b) steam c) solid d) None of above
Last Answer : b) steam
Description : The generated heat is transferred to water to make ______ the process of boiling. • Steam • Boiler • Both • None
Last Answer : • Steam
Description : The heat in the boiler is used for making ______ a) steam b) condensing process c) ice d) none of these
Last Answer : a) steam
Description : In a condensation process, _______ to _________ A] Gas, Solid B] Gas, Liquid C] Liquid, Gas D] Liquid, Solid
Last Answer : B] Gas, Liquid
Description : Which of these is an output of a ‘Furnace’? a. Fuel gas b. Cool Air c. Flue gases d. Water Vapor
Last Answer : c. Flue gases
Description : Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m2 .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat ... drop through the exchanger is desired (D) Temperature of the incoming vapor is very high
Last Answer : (B) Supersaturated
Description : 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
Last Answer : a) Flue gases pass through tubes and water around it
Description : Water 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
Last Answer : b) Water passes through the tubes and flue gases around it
Description : Pick out the wrong statement. (A) The controlling resistance in case of heating of air by condensing steam is in the air film (B) The log mean temperature difference (LMTD) for ... a pure fluid at a given pressure from liquid to vapor or vice-versa occurs at saturation temperature
Last Answer : (C) In case of a 1 - 2 shell and tube heat exchanger, the LMTD correction factor value increases sharply, when a temperature cross occurs
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 : 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 propulsion of water into steam drum by extremely rapid, almost explosive boiling of water at the heating surface is called ___________ a) Foaming b) Priming c) Corrosion d) Caustic embrittlement
Last Answer : b) Priming
Description : A turbine is said to have an axial discharge when the steam leaves the blade tip at _________ to the direction of the blade motion. (A) 60° (B) 90° (C) 180° (D) 270°
Last Answer : (B) 90°
Description : In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively. The condenser pressure is (A) 0.007 bar (B) 0.053 bar (C) 0.06 bar (D) 0.067 bar
Last Answer : (D) 0.067 bar
Description : A safety valve usually employed with stationary boilers is (A) Lever safety valve (B) Dead weight safety valve (C) High steam and low water safety valve (D) All of these
Last Answer : (D) All of these
Description : If steam is pressurized _____ • It occupies more space • It occupies less space • Both are correct • None of the above
Last Answer : • It occupies less space
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 : 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 : 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 : 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 : Rankine cycle efficiency in a good steam power station may be in the range between........ a.15% - 20% b.35% - 40% c.50% - 60% d.90% - 95%
Last Answer : b.35% - 40%
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 : 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 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 : Steam Properties and Qualities: • they are capable of dividing and renewing themselves for long periods • they are unspecialized • they can give rise to specialized cell types. • All of above
Last Answer : • All of above
Description : Industrial boilers are closed vessels that use a fuel source or electricity to generate ________for industrial purposes. • Fuel Food • Steam
Description : Steam Boilers is used in _________industries • Heating Requirement for Facility. • Steam for Batching. • Steam for Processing. • All of the above
Last Answer : • All of the above
Description : A _______ incorporates a firebox or furnace in order to burn the fuel and generate heat. • Steam • Boiler • Hydrogen • None
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 : The heat produced in this system is then rejected into the system as _______ a. Steam b. Boiler c. Both a & b d. None
Last Answer : a. Steam
Description : What is the main component in a boiler a) steam b) heat c) pressure condenser d) combination
Description : Where are steam boilers used in the industries a) heating requirement for facility b) steam for batching c) steam for processing d) all of the above
Last Answer : d) all of the above