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HTM 322 Exam 2 study guide

by: Alicia Yan

HTM 322 Exam 2 study guide HTM 322

Marketplace > Purdue University > Hospitality > HTM 322 > HTM 322 Exam 2 study guide
Alicia Yan
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included chapter 4, 5,6 and Accessibility, elevator
facility management
Dr. Nelson
Study Guide
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This 12 page Study Guide was uploaded by Alicia Yan on Tuesday March 29, 2016. The Study Guide belongs to HTM 322 at Purdue University taught by Dr. Nelson in Spring 2016. Since its upload, it has received 181 views. For similar materials see facility management in Hospitality at Purdue University.

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Date Created: 03/29/16
HTM$32200$ Hospitality$Facilities$Management$$ Study$guide$$ Chapter$4$=$Safety$and$Security$Systems$ 1.! Discuss$each$of$the$following$as$it$pertains$to$safety.$ a.! Restricted$access.$ Limiting$outside$access$to$the$facility$or$parts$of$the$facility$can$help$ensure$guest$ safety,$be$careful$not$to$prevent$egress$in$the$event$of$fire.$ b.! Lighting.$ Adequate$lighting$will$make$it$harder$for$criminals$to$conduct$criminal$activity$on$ the$property,$thus$making$your$guests$and$employees$safer.$$ c.! Parking.$ Should$have$well$lighting$system$and$monitored$camera$system$ d.! Landscaping.$ Do$not$create$a$place$for$a$person$to$hide$in$such$way$as$to$ambush$a$guest$or$ employees.$ e.! Security$cameras.$ Monitored$areas$such$as$parking$lot,$entry$way$and$lobbies,$should$review$tape$ regularly$$ f.! Sliding$glass$doors.$ The$glass$should$be$tempered$glass$and$the$door$should$have$secondary$locking$ system$ g.! Doors$to$hotel$rooms.$ Must$have$self$closing,$self$locking,$and$have$a$deadbolt$locking$system,$security$ bar$or$chain,$the$door$should$be$soild$constructed$and$have$a$viewport.$ h.! Windows.$ i.! Floors.$ j.! Bathrooms$ i.! Floors.$ ii.! Bath$and$shower$bars$(Grab$bars).$ Must$be$in$the$correct$location$and$be$fix$to$the$wall$so$that$they$will$not$ come$loose$when$a$guest$pulls$on$them.$ iii.! Electricity.$ Ground$fault$interrupters$are$required$for$all$bathroom$electric$outlets.$ 2.! Describe$the$5$Rs$of$key$control.$ Rationale,$record,$retrieval,$rotation,$replacement$ 3.! Which$of$the$5$Rs$of$key$control$do$not$apply$to$a$properly$used$electronic$lock$system?$ retrieval,$rotation,$replacement$ 4.! Why$are$coded$or$electronic$lock$systems$safer$than$the$old$key$systems?$$ Because$the$key$will$renew$every$time$a$new$guest$come$in.$ 5.! Describe$the$5$Ts$of$a$crime.$Give$examples$of$each$of$the$5$Ts$and$describe$ways$to$ break$the$chain$of$survival.$ Targeting,$testing,$threatening,$transport,$transaction$ 6.! How$do$you$make$your$facility$a$"Hard$Target"$for$terrorists? $ Restricting$access,$keep$vehicles$back$from$the$facility,$and$being$vigilant. $ 7.! Describe$each$of$the$water$based$fire=suppression$systems$(be$sure$to$identify$where$it$ is$used$and$any$potential$problems$associated$with$the$system).$ a.! Wet=pipe$sprinkler$system.$ Always$have$water$in$pipe,$fast$response,$pipe$will$freeze$in$cold$temperature,$ sprinkler$head$will$automatically$open$when$it$detected$fire$ b.! Dry=pipe$sprinkler$system.$ No$water$in$pipe$until$it$detected$fire,$slower$response,$sprinkler$head$will$ automatically$open$when$it$detected$fire$ c.! Deluge$sprinkler$system.$ No$water$in$pipe,$slower$response,$open$sprinkle$head,$may$create$a$lot$of$water$ damage,$good$for$where$fire$is$likely$to$spread$rapidly.$ d.! Pre=action$sprinkler$system.$ No$water$in$pipe,$have$alarm$for$people$to$put$out$the$fire$and$shut$off$the$ system,$slowest$response,$close$sprinkler$head,$water$damage$is$major$concern$ e.! Misting$sprinkler$system.$ No$water$in$pipe,$sprinkler$heads$open$in$some$line,$contain$less$corrosive$ chemicals$that$prevent$fire$reigniting,$create$less$mess$than$dry$chemical$system$ 8.! Describe$the$four$fire$detection$systems.$Include$how$each$works,$any$limitations,$what$ types$of$fires$it$was$designed$to$detect$and$where$it$is$likely$to$be$used.$ Heat:$ $ Detected$heat$of$fire,$good$for$area$where$has$a$lot$of$dust,$steam,$select$based$ on$detection$temperature,$but$be$careful$that$ceiling$can$be$warmer$than$the$floor$(high$ or$vaulted$ceiling).$ Smoke:$ Photoelectric:$detects$fires$that$produce$lots$of$dark$smoke,$lighting$is$shined$ across$a$room$if$smoke$enter,$it$triggers$the$alarm.$ Ionizing:$detects$fire$that$produce$little$smoke$or$no$smoke,$little$radioactive$ material$ionizes$the$air$in$the$detection$room,$the$changed$air$conduct$current,$when$ fire$gasses$enter$the$room,$it$cut$off$the$current$and$trigger$the$alarm.$ $ $ Flames:$ $detects$fire$that$produce$bright$light,$then$a$photoelectric$cell$detector$triggers$ the$alarm,$not$useful$in$area$where$room$shade$the$light$from$reaching$the$detector.$ $ Manual:$ $ $ Someone$must$be$present$and$see$the$fire,$it$is$the$most$reliable$one.$ 9.! What$special$concerns$are$associated$with$foodservice$kitchen$exhaust$systems?$ 10.!Describe$how$fire$doors$can$legally$be$blocked$open.$ Used$a$magnetic$door$stopper$to$hold$the$door,$when$fire$happen,$the$magnetic$door$ stopper$will$inactive$and$the$door$will$self$close.$$ 11.!Where$should$lights$be$located$for$directing$people$to$the$exit$to$be$effective$during$a$ fire?$Why?$ In$case$of$a$fire$should$be$along$the$floor,$the$emergency$lighting$and$exit$signs$above$ the$door$are$useless$if$there$is$dense$smoke.$ 12.!What$is$responsible$for$the$majority$of$deaths$in$a$fire?$ carbon$monoxide$inhalation $ 13.!What$are$the$three$reasons$you$should$not$stand$up $in$a$fire?$ Smoke$and$gas$will$ make$it$hard$to$see,$$ toxins$from$smoke$will$suffocate$you,$ (CO)$ your$lungs$will$sear$causing$death $(temperature$too$high$on$above)$$ HTM 322 Hospitality Facilities Management Study guide Chapter 6: 1)! What do each of the following units measure? a)! Watts: !is a measure of power. Power is energy used per unit of time. b)! Volts: is a measure of electric potential. Electric potential is the driving force that causes electricity to flow. c)! Amperes: is a measure of current, its main use is to size wire and circuit breakers. d)! Kilowatt-hours: !is a measure of energy and is typically the basis for electric energy charges. 2)! What is the advantage of three-phase current over single phase current with regards to electric motors? Single phase current one or two hot wires and a ground. The potential difference between the hot wire and the ground is usually 110, 115 or 120 but three phase current is more ener gy efficient, doesn’t need a starter, smaller motors. 3)! What are the advantages of direct current over alternating current? 4)! What are the advantages of alternating current over direct current? 5)! How would a piece of equipment labeled if it required 120 volts to run the controls and 240 volts to power a heating element? 120/240 v 6)! How would a piece of equipment labeled if it required 120 volts to run the controls and 208 volts to power a heating element? 120/208 v 7)! What is a power factor and what would cause it to be less than 1? Power factor : When the current and voltage are slightly out of phase, then the powers lower than would be expected. Fluorescent light, refrigerator or anything with a motor in it . 8)! List the components of an electrical service system for a building. State the purpose of each component. Meters: first thing power hits, tells you how much energy you're using (what your bill is based on) Service Switch: turns off and on the power for the whole facility (must be located outside for fireman, etc.) Transformer: Devices to step the voltage up/down Distribution panel: Each switch goes to a circuit panel, distributes power to different circuit panels Fuses: burns out to protect, circuit breaker protects by turning off Time-delay fuses: used for protect motors Heat-activated circuit breakers: turns off when gets too hot, you need to wait for it to cool down before switching it back on Electromagnetic circuit breakers: turns off if it has too much current, but you can flip it back on immediately Ground fault interrupters: measures the current in the black and white wire, if they're different then they're going through something else, so power is turned off. Receptacles: 15A (amp), 125V, 2-pole, 3-wire, grounding (the outlet with two vertical blades, one is longer than the other) 20A (amp), 15V, 2-pole, 3-wire, grounding (the outlet with w "T" looking thing on it) 9)! What are the two types of electrical circuit configurations? Series and parallel 10)!What is the primary circuit configuration used to connect electrical appliances? Why is selected over the other type of circuits? Parallel circuits because when one burns out, it will not affect other appliances. 11)!Which circuit configuration would be used to connect an electrical protection device to the equipment it is protecting? Series. 12)!What is a ground-fault circuit interrupter, what is its function, where is it commonly used, and describe how it works? Measures the current in the black and the white wire, if it's different it shuts off the circuit to protect people from electric shock. Around water, kitchen, bathroom, outside, prevent electric killed, measure the current of black wire and white wire, if different, shut it down the power. 13)!What is a time-delayed fuse, what is it used for and describe how it works? A time delay fuse is used in electrical appliances to allow an overloaded fuse to continue functioning for a short period of time before burning out completely. 14)!Why is it difficult to splice or terminate an aluminum wire? 15)!What is the smallest aluminum wire that should be used for conducting electricity inside a building? 16)!What is the function of the un-insulated ground on a two-wire with ground wiring? Reduce the risk does not totally prevent. 17)!Describe the six types of electrical sheathing ▯▯▯. What is the primary use for each? 1. NM (Romex)▯ inside, dry location, not good for commercial uses 2. N MC inside, can be wet location, no submersed, not good for commercial uses 3. AC (BX) Dry, outside or inside, commercial use 4. Jacketed-type MC No submerged, but wet, under sink HTM 322 Hospitality Facilities Management Study guide Chapter 5: 1.! Describe the three types of water and how each is used/handled. Potable: water that has been treated, safe for human consumption. Black water: contaminated with human waste. It contains dangerous level of microorganisms. Gray water: contains no human waste, but many contain small amount of harmful microorganisms 2.! Describe each of the following filters works: sand, fine filter, activated charcoal, and reverse osmosis. 3.! How is water disinfected? State any pros and/or cons associated with each method. Which is the preferred method? Why? 4.! How can the corrosiveness of water be controlled? 5.! What is water hardness, what causes it, and what damage can it cause? Chemical characteristics of water, dissolved minerals, primarily calcium and magnesium. Problem: the formation of scale and mineral deposits in water heater (reduce efficiency and increase heating cost), increased detergent usage, formation of soap curds, and yellowing of linen. 6.! Describe the operation of a water softener. Used a bed of residents charged with sodium iron as the water passes through the bed, the calcium trade places with the sodium on the residence. Recharge by fluting the bed with concentrated sodium brine. 7.! Describe each of the water-distribution systems (upfeed and downfeed). Up-feed: Water enters the building at the ground level and travels up to where it is need. Usually use pump to pump up the water to higher floor but it may really expensive to installed the pumping system. Down-feed: Water is pumped to a tank above the point where it needed. Pressure is created by the height of the water in the tank above the fixture. For tall building, a series of tanks will be used to ensure safe pressure on all floor. 8.! What are the advantages and disadvantages associated with circulating pump distribution systems? Water is constantly flowing in the pipes, normally used in hot water pipes. a.! Compared to a large pipe system. It uses smaller pipes b.! Compared to a small pipe system. It provides constant pressure 9.! Describe the causes, symptoms, and solutions for the following piping problems: a.! Vibration noise. Due to pipe contact with a vibration source such as pump. Noise travel water really well, they cut the pipe and use the rubber to connect the pipe to eliminate noise. b.! Water hammering. Due to the sudden change pressure in the pipes. Caused by a valve closing too fast. Protect plumbing by adding a capped vertical pipe that standing above the pipe. c.! Pipe expansion (pipe creak). Due to changes in pipe temperature. Can be controlled by insulating pipes and using a circulating pump 10.!What are the two types of sewers and what does each handle? Sanitary sewer: handles what is typically thought of as waster water Storm sewer: handle rain water and only rain water 11.!How would large amounts rain water in a sanitary sewer impact a waste treatment plant? Flow into local streams and rivers 12.!What are the two component of a septic system? Describe each component along with its function. Tank: allows solid to settle out and the liquid to flow to the leech bed. Leech bed: A series of perforated pipes usually surrounded by gravel. Waste water leeches through the gavel and is purified. 13.!What is best way to reduce the smell coming from a sewage lagoon? Add oxyge 14.!What is the function of drain vents and traps? Drain traps (water traps): uses a plug of water to prevent sewer gas from entering in the building. Drain vent: prevent all the water from being syphoned ▯ out of the water trap 15.!What is an indirect drain, what is its purpose and where is it commonly used? Indirect drain has an air gap, prevent sewage go back up to the sink. 16.!What is the function of a grease trap? How does it work? Prevent grease from entering and clogging the sewer system HTM 322 Hospitality Facilities Management Study Guide Elevators escalators and stairs 1.! Describe the main types of elevators? Cable&elevator:&most&common&type&because&it&is&faster,&smoother,&quieter&and&can&reach& greater&high&& Hydraulic&elevator:&good&for&short&distances,&does&not&need&a&penthouse&or&even&a&shaft& & Roped&hydraulic&elevator:&& 2.! What are the advantages and disadvantage of each type? Ad of cable elevator: faster, reach greater high, smoother, quieter. Disad of cable: need a penthouse Ad of Hydraulic is do not need to dig a big hole Disad of hydraulic: can not reach to higher floor 3.! What are the advantages of a gearless elevator over a geared elevator? Gearless give smoothest and fastest ride with lowest maintenance cost and operation cost. 4.! Describe the components common to most elevators. Shaft: Large vertical opening in which the elevator moves. Must be ventilated. Guide rails: Guide the car up and down the shaft. Do not normally need adjustment unless experiencing major settling of the building. Upper limit switch: prevents the elevator from going too high. Lower limit switch: prevents the elevator from going too low. Control network: control the movement of the car (operator, starter control, collective control, semi-computer control, computerized control) Car:&carries people and cargo. The car must be ventilated, and have safety devices, safety bar and electric eye, to prevent the doors from closing on people. Pit safety springs: Will help cushion the stop if the car goes too low under its own power. Will not save you if the car falls. Clamping safety system: &Breaking system if the car either rises or falls too fast. Governor: This activates the clamping safety system if the car moves too fast. 5.! Describe the components specific to each of the three types of elevators. Components specific to the hydraulic elevator: Plunger: The hollow metal shaft on which the car rides. It moves the car up and down. Motor, pump, and oil reservoir: Motor drives the pump which moves the oil from the reservoir to the plunger, making the plunger/car rise. When the car needs to move down, a valve opens and releases oil from the plunger back into the reservoir. Components specific to the cable elevator: Penthouse: The area above the top floor where the motor, sheave, and controls are located. Motor: Turns the sheave and makes the elevator move. Sheave: Large, multi-grooved pulley. Each cable ride is its own grove. Friction between the cables and the sheave move the car. 6.! Where should the stop buttons be placed on escalators? Why should they be placed at that location? Must have stop buttons on both ends for safety 7.! Describe each of the design factors for vertical transportation devices and state how each impacts the final design. a.& Capacity:& (1)& How&many&people&must&be&carried&at&one&time?& (2)& How&many&people&must&be&carried&per&hour/day?& b.& Travel&time:& & (1)& How&fast&does&the&car&need&to&travel& (2)& How&far&does&each&car&need&to&travel?& c.& Interval&time:&&How&often&are&the&cars&called?& d.& Car&location:& (1)& Where&should&the&cars&be&parked&when&not&in&use?& (2)& Does&the&parking&location&vary&by&the&time&of&day?& HTM$322$ Hospitality$Facilities$Management$ Study$guide$ Accessibility$ 1.! Define$readily$achievable$modifications$and$be$able$to$classify$a$modification$as$readily$ achievable$or$not.$ What$you$have,$how$much$you$cost,$how$much$you$gain$from$profit,$depend$on$the$ building$layout,$$ Ex:$2$floors$restaurant,$you$probably$will$not$want$to$install$an$elevator.$ 2.! Describe$the$three$things$that$must$be$taken$into$account$when$creating$accessible$ parking.$$You$only$need$generalities;$you$do$not$need$actual$dimensions.$ Canopy ▯▯,$loading$zone,$access$aisle,$curb$ramps$▯▯,$$ 3.! $How$should$the$grating$pattern$be$oriented$for$a$grate$located$in$a$sidewalk?$ Maximum$spacing$is$1.3$cm$and$must$run$perpendicular ▯▯$to$the$path$of$travel$ 4.! Why$is$it$important$to$have$landings$in$the$middle$of$long$stairs$or$ramps?$ In$case$someone$fail$and$the$land$may$stop$the$people$to$keeping$failing$ 5.! Why$is$it$important$that$wall$mounted$items$that$do$not$extend$to$the$floor$must$not$ extend$too$far$from$the$wall?$ 6.! Distinguish$between$guest$room$furniture$that$is$accessible$and$what$which$is$not.$$ Explain$why$one$piece$to$furniture$is$more$accessible$than$another.$ Ex:$furniture$for$disable$people,$such$as$the$miniQrefre$under$table.$See$accessibility$ppt.$ $


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