Stationary Engineer License Exam Prep Questions and Answers 100% Correct | Latest Update 2, Exams of Engineering

Download Stationary Engineer License Exam Prep Questions and Answers 100% Correct | Latest Update 2 and more Exams Engineering in PDF only on Docsity! Stationary Engineer License Exam Prep Questions and Answers 100% Correct | Latest Update 2024 A ______ fuse is necessary for a circuit with a load of 21,000 watts and a voltage of 220 volts. A. 100 B. 150 C. 175 D. 200 A. 100 amps. Note: V = IR Therefore I = V/R 21,000 amps /220 volts = 95 amps At 0 psig, how many BTU's are required to change 1 lb of water at 212F to steam? A. 144 B. 180 C. 970 D. 1190 C. 970 BTU 3 multiple choice options Radiation is: A. the movement of liquids or gases created by a temperature difference. B. Heat transfer by direct molecular contact pg. 1 professoraxe l C. the weight of a substance compared to unity D. Heat transfer by waves D. Heat transfer by waves Sensible heat is: A. An established relationship comparing any substance to the heat content of water. B. Heat quantity that can be felt or measured by a thermometer C. Heat quantity above the saturation point D. Measure of heat intensity B. Heat quantity that can be felt or measured by a thermometer All steam lines should be pitched: A. In the direction of flow B. Back towards the boiler C. Level D. For convenience A. In the direction of flow Draw a simple picture of a Sterling Boiler. Label it. Describe the water flow through a Sterling Boiler pg. 2 professoraxe l C. 150 psia D. 164.7 psia D. 164.7 psia (150 psig + 14.7 psi = 164.7 psia) What does 212F equal on the Celsius scale? A. 32C B. 100C C. 180C D. 970.3C B. 100C One boiler horsepower is equal to how many BTU's? A. 970.3 B. 33,472 BTU C. 125,000 BTU D. 288,000 BTU B. 33,472 BTU A British Thermal Unit is A. the amount of heat needed to raise 1 lb of water 1F B. the amount of heat needed to raise 1 lb of steam 1F C. A unit of temperature measurement D. the amount of heat in water between freezing and boiling A. The amount of heat needed to raise 1 lb of water 1F Hydronic heat is: A. Steam heat B. Hot water heat pg. 5 professoraxe l C. Radiant heat D. Heat of evaporation B. Hot water heat Superheated steam is: A. reheated steam B. very hot steam C. flash steam D. saturated steam B. Very hot steam 2,545 Btuh represents: A. 1 brake horsepower B. 1 kilowatt-hour C. 1 horsepower-hour D. 1 therm C. 1 horsepower-hour A throttling calorimeter is used to measure the quality of: A. dry steam B. saturated steam C. superheated steam D. BTU in coal B. saturated steam The amount of heat in 1 lb of saturated steam is approximately A. 970.3 BTU pg. 6 professoraxe l B. 1,150 BTU C. 3,412 BTU D. 100,000 BTU B. 1,150 BTU A boiler operating at 100 psi has a dry saturated steam temperature of 338F. What is the boiler's water temperature? A. 180F B. 212F C. 309F D. 338F D. 338F A dry pipe is used to A. separate moisture from steam as it leaves the drum B. separate moisture from steam as it leaves the superheater C. separate moisture from steam at the turbine throttle D. increase superheater temperature A. separate moisture from steam as it leaves the drum The purpose of a staybolt is to: A. support the boiler shell B. reinforce the heads of a firetube boiler C. make a water tube boiler safer D. strengthen and support the flat plates of a firetube boiler D. strengthen and support the flat plates of a firetube boiler pg. 7 professoraxe l B. preventing priming C. bracing the tube bank D. directing the travel of flue gases D. directing the travel of flue gases A boiler has steaming capacity of 35,500 lb of steam/hr. The evaporation rate is 10 lb/sq ft of heating surface/hr. What is the boiler HP rating? A. 100 Hp B. 1,000 Hp C. 3450 Hp D. 6,900 Hp B. 1,000 Hp Boiler Hp = lb steam/hr x evaporation factor /34.5 lb steam/Boiler Hp Therefore, Boiler Hp = 35,500 lb steam per hr x 10 lb per sq ft / 34.5 lb steam per boiler Hp Boiler tube sizes are specified by a) pipe size. b) standard ASME size. c) inside diameter. d) outside diameter. D. outside diameter The maximum size of boiler blowdown lines, valves, and fittings shall not exceed? A. 1 inch B. 1.5 inches pg. 10 professoraxe l C. 2 inches D. 2.5 inches D. 2.5 inches The purpose of an expansion tank in a hot water heating system is to provide for the expansion of: A. water B. hot air C. air and steam D. expansion tanks are not used in hot water systems A. water Heavy accumulation of soot in a boiler will result in A. loss of boiler efficiency B. loss of the fire C. improved heat transfer across the tubes D. reduced stack temperature A. Loss of boiler efficiency How are the tubes secured in a fire-tube boiler? A. welded B. rolled and beaded C. brazed D. shrink fit B. rolled and beaded A tube in a firetube boiler is surrounded by A. water pg. 11 professoraxe l B. air C. flue gases D. steam A. water Atmospheric pressure is considered to be A. 0 psia B. 14.7 in Hg C. 14.7 psia D. 14.7 psig C. 14.7 psia In a water tube boiler A. flue gas passes inside the tube B. flue gas surrounds the tube C. water surrounds the tube D. none of the above B. flue gas surrounds the tube Diagonal stays are found in a) fire-tube boilers b) water-tube boilers c) cast-iron boilers d) waste heat boilers A. fire tube boilers Handholes and manholes are oval A. to withstand higher pressures pg. 12 professoraxe l A 2 inch boiler tube has a water wall thickness of 3/16". What is its inside diameter? A. 2 3/16" B. 2" C. 1 13/16" D. 1 5/8" D. 1 5/8" At what temperature does steel start to rapidly lose its strength? A. 500F B. 700F C. 1000F D. 1500F B. 700F A hot water heating system is about to be started up. How full of water should the expansion tank be? A. Empty B. 1/3 C. 3/4 D. Full B. 1/3 What is the relationship be tween longitudinal stress and circumferential stress? A. They are the same B. Longitudinal stress is twice circumferential stress pg. 15 professoraxe l C. Circumferential stress is twice longitudinal stress D. There is no fixed relationship between the two B. Longitudinal stress is twice circumferential stress A therm is equal to how many BTU? A. 970.3 B. 33,475 C. 100,000 D. 1,000,000 C. 100,000 BTU The factor of evaporation is a) heat added to the boiler divided by 970.3 b) heat added to the boiler minus inlet feedwater temperature c) 970.3 Btu d) actual evaporation over 34.5 lb of water A. heat added to the boiler divided by 970.3 The purpose of bottom blowdown is A. reduce boiler pressure B. remove sludge and sediment C. increase dissolved solids D. remove floating oil B. Remove sludge and sediment Damage by spalling refers to the a) tubes pg. 16 professoraxe l b) steam drum c) refractory d) superheater C. refractory Superheaters raise the temperature of a) feedwater b) boiler water c) combustion air d) steam D. Steam The steam space is a) the area covered by fire and water b) in the main header area c) the top half of most steam traps d) the area above the operating water level D. The area above the operating water level The heating surface of a boiler is the area A. exposed to flame and flue gases B. in contact with steam C. of the furnace D. of the burner face in the furnace A. exposed to flame and flue gases The purpose of a superheater is to: Select one: pg. 17 professoraxe l A. spalling The low-water cutoff a) feeds the boiler when it is low on water b) shuts off the burner when the boiler is low on water c) dumps the boiler d) cuts off the water supply when the level is too high B. shuts off the burner when the boiler is low on water Steam coming from the bottom trycock would indicate: a. normal water level b. high water level c. low water level d. normal steam level c. low water level What type of valve has the most resistance to flow? a. globe b. gate c. ball d. butterfly a. globe When checking the water level of a boiler a. ask the boiler operator b. test the safety valve c. use the bottom blowdown plug d. blow down the gauge glass and water column pg. 20 professoraxe l d. blow down the gauge glass and water column A siphon or pigtail is used to protect a steam pressure gauge a. from steam temperature b. against high steam pressure c. against high water pressure d. against and excessive amount of steam a. from steam temperature the feedwater regulator is located a. on the right side of the boiler b. at the normal water level c. 2" below the highest heating surface d. next to the fusible plug c. 2" below the highest heating surface An automatic feedwater regulator is used to a) ensures the proper water level in the boiler b) shuts off the burner c) controls the boiler's operating range d) is never used on high pressure boilers a. ensures the proper water level in the boiler To test the low-water cutoff, a) the burner must be off b) there must be no pressure on the boiler c) the fuel must be shut off d) the burner must be firing pg. 21 professoraxe l d. the burner must be firing The purpose of testing a safety valve by hand is to a. make sure the valve can lift b. check the operating range of the boiler c. check its popping pressure d. they are never tested by hand a. make sure the valve can lift The purpose of a bowl at the bottom of the water column is to a. serve as a condenser b. serve as a sediment chamber c. serve as as siphon d. none of the above b. serve as a sediment chamber The automatic control that prevents a boiler from being dry fired is: a. aquastat b. vaporstat c. flame failure cutoff d. low water cutoff d. low water cutoff To check the water level in the gauge glass of a steam boiler, a. use the bottom blowoff valve b. blow down the low water cutoff c. blow down the gauge glass and water column d. compare it with the water level in another boiler pg. 22 professoraxe l c. open the drain and crack open the top valve d. open the drain and crack open the bottom valve c. open the drain and crack open the top valve A steam pressure gauge is graduated in a. absolute pressure b. inches of pressure c. pounds per square inch d. pounds per square foot c. pounds per square inch One of the purposes of the water column is to a. indicate the water level in the boiler b. easily find boiler pressure c. dampen water oscillation in the gauge glass d. prevent the boiler from priming c. dampen water oscillation in the gauge glass The gauge glass should be blown down a) daily b) weekly c) monthly d) yearly a. daily The flame failure control is tested by a. blowing down the low water cutoff b. adjusting the pressuretrol pg. 25 professoraxe l c. calling the inspector d. securing the fuel supply to the boiler d. securing the fuel supply to the boiler Which of the following controls operates due to change in temperature? a. fire eye b. vaporstat c. aquastat d. pressuretrol c. aquastat The pressure sensitive device attached to a fan housing of a fully automatic burner starts operating when there is a. flame failure b. too large an increase in primary air c. fan failure d. too large an increase in secondary air c. fan failure If the pressuretrol starts the burner and ignition failed to take place, the control that protects the boiler is the a. low water cutoff b. flame failure cutoff c. vaporstat d. aquastat b. flame failure cutoff pg. 26 professoraxe l The pressure sensitive device attached to a fan housing is called a a. pressuretrol b. aquastat c. thermostat d. vaporstat d. vaporstat Draft is measured in a) ounces per square inch b) inches of water c) inches of mercury d) pounds per square inch b. inches of water Which of the following is used to measure temperature? a. fyrite analyzer b. vaporstat c. orsat analyzer d. pyrometer d. pyrometer The main stop valve is located on the a) oil supply line b) condensate breaker c) vacuum breaker d) steam line d. steam line pg. 27 professoraxe l a. temperature Safety valves on superheaters are set a. the same as drum safety valves b. lower than drum safety valves c. higher than drum safety valves d. superheaters do not have safety valves b. lower than drum safety valves Convert 160 PSI to absolute pressure a) 145.3 psia b) 160 psia c) 167.3 psia d) 174.7 psia d. 174.7 psia (160 + 14.7 psi) What is the minimum pipe size of the gauge glass blowdown line? a. 3/8" b. 1/2" c. 3/4" d. 1" a. 3/8" One one bottom blowdown valve is required for boilers under a. 100 sq ft heating surface b. 500 sq ft heating surface c. 100 psi MAWP d. 500 psi MAWP pg. 30 professoraxe l c. 100 psi MAWP The type of safety valve allowed on boilers is the a. weight and lever b. thermostatic relief c spring loaded poppet c. all of the above c. spring loaded poppet What is authorized to repair and adjust safety valves? a. Chief Engineer b. State inspector c. Insurance inspector d. Manufacturer's representative d. Manufacturer's representative Cast iron boilers can be used a. only for process steam b. only for low pressure steam plants c. only for high pressure steam plants d. in low or high pressure steam plants b. Only for low pressure steam plants Which valve allows flow in one direction only? a. check b. plug c. globe d. stop pg. 31 professoraxe l a. check valve To stop a safety valve from chattering A. Increase tension on the spring B. Decrease tension on the spring C. Raise the blowdown ring D. Lower the blowdown ring c. Raise the blowdown ring The minimum permitted size of the water column pipe connection is a. 3/8" b. 1/2" c. 3/4" d. 1" d. 1" The number of complete turns required between open and closed on a slow opening valve is a. 3 b. 5 c. 7 d. 9 b. 5 What is the principle of the Bourdon tube? a. Thermal reaction b. Hydraulic impulse pg. 32 professoraxe l a. cuts a boiler into the header automatically b. opens automatically when boiler pressure falls below header pressure c. functions as a stop valve d. opens automatically if boiler pressure exceeds header pressure b. opens automatically when boiler pressure falls below header pressure You would not run an accumulation test on a boiler equipped with a. over 499 sq ft of heating surface b. a superheater c. a deaerator d. only one safety valve b. a superheater What is the minimum setting on safety valve blowback? a. 4% of set pressure b. 2 lb c. 2% of set pressure d. 4 lb b. 2 lb Good combustion results in a. high oxygen and CO2, low CO b. high oxygen and CO, low CO2 pg. 35 professoraxe l c. low oxygen and CO2, high CO d. low oxygen and CO, high CO2 d. low oxygen and CO, high CO2 Excess air for gas should not exceed a. 10% b. 15% c. 20% d. 25% a. 10% The Ringleman scale is associated with a. viscosity b. excess air c. smoke density d. pour point d. smoke density What do mechanical burners use for atomization? a. high pressure air b. high pressure fuel c. low pressure air d. a rotating cup b. high pressure fuel Viscosity is a. the point at which oil starts to flow b. the point at which oil starts to support combustion pg. 36 professoraxe l c. the specific gravity of oil c. none of the above d. none of the above A fire eye is used to a. notify the programmer about the presence of a flame b. detect hot spots in the furnace c. turn off pilot gas d. turn on the main fuel The purge cycle a. closes the fuel valve b. places the boiler on standby c. removes unburned fuel d. opens the pilot valve c. removes unburned fuel The flame detector is directed a. at the hot refractory b. into the boiler room c. at the boiler convection section d. into the furnace area d. into the furnace area The programmer a. opens the pilot valve b. opens the main fuel valve c. receives the flame detector signal d. does all of the above pg. 37 professoraxe l c. hard to ignite d. dangerous d. dangerous How many cubic feet of furnace volume is needed to burn 1 gallon of No. 6 fuel oil? a. 5 b. 10 c. 20 d. 30 b. 10 cubic feet (this is a standard conversion for fuel oil; 1 gallon of fuel oil requires 10 cubic feet of furnace volume for combustion) As fuel oil is heated, its viscosity a. increases b. decreases c. stays the same d. can either increase or decrease depending upon pressure b. decreases Carbon Monoxide in fuel gas is a sign of a. perfect combustion b. complete combustion c. incomplete combustion d. stochiometric combustion c. incomplete combustion pg. 40 professoraxe l Flash point means a. ignition temperature b. burning temperature c. atomization viscosity d. atomization specific gravity a. ignition temperature Fire point means a. oil temperature b. oil thickness c. heat content d. none of the above d. none of the above Preheated No. 6 fuel oil should be a. 100-115F b. 120-190F c. 200-320F d. None of the above b. 120-190F What is the proper storage temperature for No. 6 fuel oil? a. at pour point b. 20F above pour point pg. 41 professoraxe l c. 212F d. 20F below pour point b. 20F above pour point Pour point is the a. US weight of a liquid b. flow rate c. combustion rate d. lowest temperature at which a liquid flows d. lowest temperature at which a liquid flows To prime a pump a. increase its speed b. back off on its packing c. close its discharge valve d. fill casing with water d. fill casing with water Balanced draft means a. negative draft in the breaching b. almost atmospheric pressure in the furnace c. almost atmospheric pressure in the wind box d. positive draft in the wind box b. almost atmospheric pressure in the furnace A gallon of No. 6 fuel oil contains a. 146,000 BTU b. 152,000 BTU pg. 42 professoraxe l Low excess air causes a. flashdback b. refractory spalling c. high CO2 d. smoke d. smoke The proximate analysis of coal a. determines the % by weight of moisture content, volatile matter, fixed carbon, ash and sulfur b. is sometimes useful in controlling coal quality c. determines the % by weight of carbon, oxygen, nitrogen, hydrogen, sulfur and ash in coal d. is not used anymore a. determines the % by weight of moisture content, volatile matter, fixed carbon, ash and sulfur The ultimate analysis of coal a. is the best grade of coal available b. determines the % by weight of moisture content, volatile matter, fixed carbon, ash and sometimes sulfur. c. determines the % by weight of carbon, oxygen, nitrogen, hydrogen, sulfur and ash in coal d. is a sample of coal taken when received c. determines the % by weight of carbon, oxygen, nitrogen, hydrogen, sulfur and ash in coal pg. 45 professoraxe l What does volatile mean? a. BTU per pound b. % of fixed carbon in coal or oil c. inert material in coal d. flammable gas in coal that is distilled off and burned above the grates in suspension d. flammable gas in coal that is distilled off and burned above the grates in suspension The amount of excess air required for coal is a. 20% b. 25% c. 30% d. 35% d. 35% What formula approximates the heat content in BTU/lb of fuel oil? a. 17,687 x 57.7 x API Gravity at 60F b 17,687 + 57.7 + API Gravity at 60F c. 17,687 + 57.7 x API Gravity at 60F d. 17,687 x 57.7 + API Gravity at 60F c. 17,687 + 57.7 x API Gravity at 60F The two elements of fuel oil that produce the most heat are a. iron and oxygen b. sulfur and oxygen pg. 46 professoraxe l c. nitrogen and CO2 d. carbon and hydrogen d. carbon and hydrogen What fan(s) supply the boiler with a positive pressure? a. forced draft b. induced draft c. forced and induced draft d. gas recirculating a. forced draft The doubling plate is placed under the a. fill line b. vent line c. manhole d. gauge well d. gauge well The induced draft fan is located between the a. air inlet and air heater b. air heater and burner c. boiler and stack d. breaching and the burner c. boiler and stack A fan's output can be controlled by a. changing its speed b. changing blade pitch pg. 47 professoraxe l b. an inexpensive way to fire a boiler c. a feedwater heater d. an air heater c. a feedwater heater What type of boiler is most likely to use soot blowers? a. water tube b. fire tube c. HRT d. Scotch Marine a. water tube What is an economizer used for? a. to save water for the boiler b. to lower CO2 in the flue gas c. to raise boiler efficiency by using stack gas to preheat feedwater d. to raise secondary air temperature c. to raise boiler efficiency by using stack gas to preheat feedwater Dew point is a serious concern in a plant with a. tubular air heaters b. forced draft fans c. air compressors d. turbine condenser a. tubular air heaters pg. 50 professoraxe l An economizer is located in the a. wind box b. furnace c. stack d. convection section c. stack If a steam soot blower were to operate improperly for a long period of time, what would be the most likely result? a. damaged soot blower b. high steam temperature c. high steam consumption d. damaged boiler tubes d. damaged boiler tubes Which of the following would MOST improve boiler efficiency? a. deaerator b. open feedwater heater c. economizer d. closed feedwater heater c. economizer The purpose of a steam trap is to a. add condensate and air b. drain condensate and air c. catch dirt and rust d. do none of the above b. drain condensate and air pg. 51 professoraxe l On an inverted bucket steam trap,what happens to the bucket as the trap fills with water? a. it rises b. it inclines c. it sinks d. it remains stationary c. it sinks Which steam trap has no moving parts? a. inverted bucket b. impulse c. continuous flow d. float c. continuous flow What results when steam blows through a trap? a. lower plant efficiency b. noise c. loss of steam d. all of the above d. all of the above What happens when the float in a float & thermostatic trap develops a leak? a. it becomes steam bound b. it becomes air bound c. it fails open d. it fails closed pg. 52 professoraxe l c. both a and b Scale in a boiler is caused by a. calcium and magnesium b. oxygen c. sodium sulfite d. zeolite a. calcium and magnesium Cuprous Chloride is found in a. feedwater b. a steam drum c. a feedwater heater d. a flue gas analyzer d. a flue gas analyzer Zeolite is found in a a. softener b. steam drum c. feedwater heater d. flue gas analyzer a. softener The device on a deaerator that keeps the water from backing up into the steam line is called a a. check valve b. overflow device c. float valve d. reflief valve pg. 55 professoraxe l b. overflow device Which pH value indicates that a solution is neither acidic nor alkaline? a. 3 b. 5 c. 7 d. 9 c. 7 Water hardness is expressed in a. grains b. ppm c. both a and b d. neither a or b c. both a and b Where is caustic embrittlement most likely to be found? a. riveted joint above the water line b. riveted joint below the water line c. welded joint above the water line d. welded joint below the water line b. riveted joint below the water line A closed feedwater heater is located a. before the condensate receiver b. above the feedwater pump for gravity feed c. between the feedwater pump and the boiler d. before the condenser pg. 56 professoraxe l c. between the feedwater pump and the boiler Where would scale most likely occur? a. above the water line b. below the water line c. on a riveted joint d. on a weld below the water line b. below the water line Zeolite is a. infrared light b. an oil additive c. a form of chloride d. an ion exchange resin d. an ion exchange resin On a pH scale, 8 is a. acidic b. alkaline c. meniscus d. neutral b. alkaline Which of the following is least likely to be used for feedwater treatment? a. caustic soda b. phosphate c. sodium sulfate d. sodium sulfite pg. 57 professoraxe l Which formula can be used to calculate how many poles there are in a 3 phase, 60 Hz, 3,600 rpm generator? a. 120 x Hz/rpm b. 120 x rpm/Hz c. 120/rpm d. rpm/Hz a. 120 x Hz/rpm One mechanical horsepower is not equivalent to a. .746 Kilowatts b. 746 watts c. 2,545 BTU d. 3,960 BTU d. 3,960 BTU How are large utility generators cooled? a. air b. hydrogen c. water d. oxygen b. hydrogen A 45 horsepower motor runs at 74% efficiency. What is is watts/Hp rate? a. 552 b. 746 c. 939.96 d. 1,008.10 pg. 60 professoraxe l d. 1,008.10 1 Hp = 746 watts. 45 Hp x 746 watts/Hp = 33,570 watts 45 Hp @ 74% efficiency = 33.3 Hp delivered. Therefore 33,570 watts/33.3 Hp = 1008.10 watts/Hp What is a sentinal valve? a. safety valve b. OS&Y Valve c. relief valve d. turbine condenser overpressure warning device d. turbine condenser overpressure warning device A synchroscope is associated with a. induction motors b. synchronous motors c. induction generators d. synchronous generators d. synchronous generators How often is the turbine overspeed tested? a. weekly b. monthly c. yearly d. every time it's placed on line d. every time it's placed on line Oil contaminated condensate return is of the most serious concern in a. open feedwater heater b. closed feedwater heater pg. 61 professoraxe l c. deaerator d. fuel oil heater b. closed feedwater heater An intercooler is used a. between the stages of a reaction turbine b. on a two stage air compressor c. on a cooling tower d. to cool condensate b. on a two stage air compressor On a surface condenser a. cooling water flows through the tubes surrounded by exhaust steam b. exhaust steam flows through the tubes surrounded by cooling water c. steam and water meet d. none of the above a. cooling water flows through the tubes surrounded by exhaust steam One horsepower is electrically equivalent to 746 a. watts b. calories c. BTU's d. kilowatts a. watts pg. 62 professoraxe l b. reverse the armature winding c. reverse both the field and armature winding d. reverse any two power leads d. reverse any two power leads How many watts watts does a 45 hp motor consume operating at 75% efficiency? a. 25.2 b. 44.8 c. 25,200 d. 44,800 d. 44,800 watts A circuit breaker serves the same function as a a. meter b. resistor c. fuse d. solenoid c. fuse Electric current is measured in a. ohms b. volts c. farads d. amperes d. amperes pg. 65 professoraxe l What is the formula for finding the frequency of an alternator? a. (# of poles x rpm)/120 b. 120/(# of poles x rpm) c. (120 x # of poles)/rpm d. 120 x # of poles x rpm a. (# of poles x rpm)/120 What is the formula for calculating the speed of a synchonous motor? a. (# of poles x Hz)/120 b. (120 x frequency)/# of poles c. (120 x # of poles)/Hz d. 120 x # of poles x Hz b. (120 x frequency)/# of poles Which feedwater system is least efficient? a. Electric centrifugal pump b. steam-driven centrifugal pump c. electric reciprocating pump d. injector d. injector If two centrifugal pumps were connected in parallel, there would be a. flow increase, constant pressure b. flow decrease, constant pressure pg. 66 professoraxe l c. constant flow, pressure increase d. constant flow, pressure decrease a. flow increase, constant pressure When starting and motor driven centrifugal pump, the correct way to put the least amount of strain on the pump and minimum load on the motor is to have a. both suction and discharge valves closed b. both suction and discharge valves open c. the suction valve open and the discharge valve closed d. the suction valve closed and the discharge valve open c. the suction valve open and discharge valve closed On a steam driven boiler feed pump, which piping is larger? a. turbine steam inlet and pump discharge b. turbine steam inlet and pump suction c. turbine steam exhaust and pump discharge d. turbine steam exhaust and pump suction d. turbine steam exhaust and pump suction TERM Why are staybolts drilled? DEFINITION The leak if the bolt fails LOCATION pg. 67 professoraxe l