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RVIA RV Registered Technician Test FULL Practice Test - (DACUM) with newly developed questions and new answer choices to previous questions.
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(Propane) |! What |! is |! a |! possible |! result |! of |! propane |! coming |! in |! direct |! contact |! with |! hands |! or |! skin? A. |! cracked |! gloves |! and |! frosted |! hand. B. |! allergic |! reaction |! to |! propane |! oils. C. |! frostbite. D. |! an |! EPA |! hazard. frostbite What |! is |! the |! amount |! of |! space |! reserved |! for |! tank |! over-pressure |! from |! gas |! expansion? A. |! 50% B. |! 10% C. |! 20% D. |! 80% 20% A |! propane |! tank |! service |! valve |! should |! only |! be |! closed |! with:
A. |! Open-end |! wrenches B. |! Socket |! wrench C. |! Adjustable |! wrench D. |! Hands Hands A |! technician |! would |! use |! a |! set |! of |! backup |! wrenches: A. |! When |! a |! regular |! wrench |! breaks. B. |! To |! prevent |! damage |! to |! propane |! connections. C. |! When |! a |! odd |! size |! is |! needed. D. |! Keep |! bolts |! from |! turning |! when |! installing |! an |! appliance. To |! prevent |! damage |! to |! propane |! connections. What |! would |! be |! the |! minimum |! distance |! to |! an |! ignition |! source |! when |! purging |! a |! #20 |! propane |! cylinder? A. |! 10 |! feet. B. |! 5 |! feet. |! C. |! 50 |! feet. D. |! 25 |! feet. 25 |! feet. (Propane) |! What |! are |! two |! methods |! used |! to |! prevent |! overfilling |! of |! propane |! containers? A. |! Overfill |! Protection |! Device |! (OPD) |! and |! regulator. B. |! Weight |! and |! fixed |! liquid |! level |! gauge. C. |! Pressure |! relief |! valve |! and |! high |! pressure |! pigtail. D. |! Sight |! valve |! and |! by-pass |! valve.
(Propane) |! The |! weight |! of |! propane |! as |! compared |! to |! the |! weight |! of |! air |! is? A. |! 1-1/2 |! times |! heavier |! than |! air. B. |! 2 |! times |! heavier |! than |! air. C. |! The |! same |! weight |! as |! air. D. |! 1/2 |! the |! weight |! of |! air. 1-1/2 |! times |! heavier |! than |! air. When |! propane |! gas |! is |! released |! into |! the |! air, |! it: A. |! Has |! a |! slight |! blueish |! tint. B. |! Is |! greenish |! in |! color. C. |! is |! invisible. D. |! is |! a |! bio-hazard. is |! invisible. Propane |! is |! a |! product |! separated |! out |! of |! _______________ |! and |! _______________ |! in |! the |! refining |! process. A. |! Unleaded |! fuel |! and |! oil. B. |! Kerosene |! and |! crude |! oil. C. |! Natural |! Gas |! and |! crude |! oil. D. |! Natural |! Gas |! and |! kerosene. Natural |! Gas |! and |! crude |! oil. Propane |! weighs |! _______________ |! per |! gallon.
A. |! 10 |! lbs. B. |! 1/2 |! the |! weight |! of |! the |! cylinder. C. |! 4.2 |! lbs. D. |! 2.4 |! lbs. 4.2 |! lbs. When |! the |! temperature |! increases, |! propane |! will |! _____________________. A. |! Revert |! back |! to |! a |! liquid |! state. B. |! Expand. C. |! Boil. D. |! Freeze. Expand. (Propane) |! _________________ |! is |! added |! to |! propane |! just |! after |! its |! manufacture |! as |! a |! warning |! agent. A. |! Agent |! P. B. |! Ethylene |! Glycol. C. |! Ethyl |! mercaptan. D. |! Green |! dye. Ethyl |! mercaptan. IWC |! is |! the |! abbreviation |! for |! ______________________________. A. |! Inches |! of |! water |! column. B. |! Illinois |! Workers |! Consortium. C. |! Iowa |! Wells |! Consortium. D. |! Intermediate |! Water |! Column. Inches |! of |! water |! column.
D. |! Vessel. Container. Which |! of |! the |! following |! would |! not |! be |! considered |! an |! "appurtenance?" A. |! Fixed |! liquid |! level |! gauge. B. |! Pressure |! relief |! valve. C. |! Excess |! flow |! valve. D. |! Service |! valve. Excess |! flow |! valve. What |! type |! of |! tank |! does |! not |! require |! recertification? A. |! ASME. B. |! AGA. C. |! DOT. D. |! #20 |! tank. ASME. What |! information |! is |! not |! found |! on |! the |! protective |! collar |! of |! a |! DOT |! cylinder? A. |! Dip |! tube |! length |! in |! inches. B. |! Inspector's |! initials. C. |! Propane |! capacity |! in |! pounds. D. |! Manufacturer |! of |! cylinder. Propane |! capacity |! in |! pounds. Tare |! weight |! is |! typically |! not |! list |! on |! a |! _________________. A. |! AGA |! tank. B. |! ASME |! tank. C. |! DOT |! tank.
D. |! Portable |! tank. ASME |! tank. (Propane) |! A |! DOT |! tank |! is |! required |! to |! be |! recertified |! by |! visual |! inspection |! at |! intervals |! of |! _______ |! years |! after |! manufacture |! and |! every |! ____ |! years |! thereafter. A. |! 5 |! / |! 5 B. |! 12 |! / |! 3 C. |! 10 |! / |! 3 D. |! 12 |! / |! 5 12 |! / |! 5 On |! DOT |! cylinders, |! water |! capacity |! is |! listed |! on |! the |! protective |! collar |! in |! what |! measurement? A. |! Gallons B. |! Quarts C. |! Pounds D. |! Water |! column. Pounds. What |! is |! the |! purpose |! of |! a |! two-stage |! propane |! regulator? A. |! To |! provide |! more |! consistent |! pressure |! control. B. |! To |! increase |! the |! propane |! pressure |! to |! be |! usable |! by |! appliances. C. |! To |! have |! a |! backup |! stage |! in |! the |! event |! the |! first |! stage |! fails. D. |! To |! allow |! more |! appliances |! to |! run |! from |! one |! cylinder. To |! provide |! more |! consistent |! pressure |! control. What |! would |! a |! technician |! need |! to |! do |! in |! order |! to |! increase |! the |! pressure |! on |! an |! LP |! pressure |! regulator? A. |! Connect |! a |! vacuum |! pump.
What |! type |! of |! fitting |! should |! be |! used |! to |! transfer |! propane |! from |! one |! cylinder |! to |! another? A. |! ACME B. |! ASME C. |! POL |! Fitting |! (Full |! flow). D. |! Type |! I POL |! Fitting |! (Full |! flow). The |! purpose |! of |! a |! vapor |! withdraw |! tube, |! also |! known |! as |! a |! J-Tube |! is: A. |! To |! allow |! liquid |! propane |! enter |! the |! service |! valve. B. |! To |! push |! propane |! vapor |! back |! into |! the |! liquid |! in |! a |! cylinder. C. |! To |! withdraw |! propane |! from |! the |! propane |! vapor |! space |! to |! the |! service |! valve. D. |! To |! transfer |! propane |! from |! the |! vapor |! space |! back |! into |! the |! liquid |! propane |! in |! the |! tank. To |! withdraw |! propane |! from |! the |! propane |! vapor |! space |! to |! the |! service |! valve. Name |! two |! primary |! methods |! for |! detecting |! leaks |! in |! a |! propane |! system. A. |! Using |! a |! solution |! of |! ammonia |! followed |! by |! a |! chlorine |! solution. B. |! Appropriate |! leak |! detector |! solution |! and |! electronic |! leak |! detector. C. |! Using |! a |! butane |! lighter |! and |! smell. D. |! Performing |! a |! lock-up |! test |! and |! light |! the |! stove. Appropriate |! leak |! detector |! solution |! and |! electronic |! leak |! detector. (Propane) |! What |! is |! the |! propane |! gallon |! capacity |! of |! a |! properly |! filled |! ASME |! tank |! at |! 60°F |! with |! a |! water |! capacity |! of |! 28.6? A. |! 15. B. |! 20.
The |! propane |! capacity |! in |! pounds |! is |! _________ |! times |! the |! water |! capacity |! stamped |! on |! the |! cylinder |! collar. A. |! 0. B. |! 0. C. |! 0. D. |! 0.
What |! is |! not |! a |! proper |! propane |! system |! test |! to |! perform? A. |! Timed |! pressure |! drop |! test. B. |! Regulator |! lockup |! test. C. |! Ammonia |! solution |! leak |! test. D. |! System |! operating |! pressure |! test. Ammonia |! solution |! leak |! test. What |! is |! a |! primary |! reason |! that |! system |! pressure |! could |! fluctuate |! during |! propane |! system |! tests? A. |! Grade |! of |! propane |! gas |! being |! used |! in |! the |! system. B. |! Change |! in |! piping |! temperature. C. |! Change |! in |! level |! of |! the |! unit. D. |! The |! material |! that |! is |! used |! for |! propane |! distribution. Change |! in |! piping |! temperature. (Electrical) |! Which |! of |! the |! below |! meters |! would |! NOT |! be |! contained |! in |! a |! multi-meter? |!
To |! properly |! test |! that |! GFCI |! protection |! exists |! for |! any |! receptacle |! down |! line |! of |! a |! GFCI |! protection |! device, |! you |! should |! __________. |! A. |! turn |! off |! the |! main |! breaker. B. |! unplug |! the |! refrigerator. C. |! use |! a |! GFCI |! fault |! creation |! tester. D. |! push |! the |! test |! button |! on |! the |! breaker. use |! a |! GFCI |! fault |! creation |! tester. Current |! supplied |! by |! commercial |! power |! lines |! and |! RV |! generators |! is |! known |! as |! ___________. |! A. |! Alternating |! Current. B. |! Direct |! Current. C. |! Electromotive |! Current. D. |! Accelerating |! Current. Alternating |! Current. The |! nominal |! voltage |! that |! is |! typically |! referenced |! in |! an |! AC |! power |! system |! is |! ___________________. A. |! 480 |! Volts. B. |! 12 |! Volts. C. |! 120 |! Volts. D. |! 24 |! Volts. 120 |! Volts. The |! wiring |! system |! in |! the |! RV |! that |! is |! connected |! to |! any |! DC |! power |! source |! is |! also |! commonly |! called |! the |! _______________________ |! system. A. |! Backup. B. |! High |! Voltage.
C. |! Low |! Voltage. D. |! Open. Low |! Voltage The |! nominal |! voltage |! that |! is |! typically |! referenced |! in |! a |! DC |! power |! system |! is |! ___________________. A. |! 480 |! Volts. B. |! 12 |! Volts. C. |! 120 |! Volts. D. |! 24 |! Volts. 12 |! Volts. An |! open |! switch |! will |! _________electricity. A. |! inverse. B. |! not |! conduct C. |! conduct D. |! decrease not |! conduct. A |! short |! circuit |! is |! a |! complete |! circuit |! that |! has |! _____________. |! A. |! a |! conductor |! that |! is |! less |! than |! 3’ |! in |! total |! length. B. |! less |! than |! 2 |! amps. C. |! a |! grounded |! wire. D. |! no |! resistance. no |! resistance. A |! common |! symptom |! of |! voltage |! drop |! is |! _____________________. A. |! Fan |! motors |! running |! faster |! than |! normal.
An |! ohmmeter |! can |! be |! used |! to |! test |! resistance |! and |! ________________. A. |! inductance. B. |! amperage. C. |! wattage. D. |! continuity. continuity. The |! amperage |! in |! a |! circuit |! is |! limited |! by |! ______________________. A. |! insulation. B. |! wire |! length. C. |! wire |! gauge. D. |! OSHA |! Standards. wire |! gauge. Current |! is |! _____________. |! A. |! electrical |! pressure |! that |! moves |! electrons. B. |! electron |! flow. C. |! opposition |! to |! electrical |! flow. D. |! electrical |! pressure |! that |! measures |! neutrons. electron |! flow. Voltage |! is |! ____________. |! A. |! electrical |! pressure |! that |! moves |! electrons. B. |! electrical |! flow. C. |! opposition |! to |! electrical |! flow. D. |! resistance. electrical |! pressure |! that |! moves |! electrons.
In |! a |! 120 |! VAC |! distribution |! panel |! board, |! the |! white |! neutral |! wire |! and |! the |! bare |! copper |! wire |! should |! always |! be |! ____________________. A. |! bonded |! to |! each |! other. B. |! grounded. C. |! isolated |! from |! each |! other. D. |! twisted |! and |! soldered |! together. isolated |! from |! each |! other. A |! hot |! skin |! test |! is |! performed |! to |! ______________. |! A. |! assure |! the |! RV |! user's |! safety. B. |! prevent |! being |! burned |! during |! summer |! heat. C. |! ensure |! the |! neutral |! wiring |! is |! bonded |! to |! the |! ground. D. |! assure |! the |! RV |! user’s |! safety. assure |! the |! RV |! user's |! safety. An |! inverter |! is |! used |! to |! change |! _______________. A. |! 120 |! VDC |! to |! 12 |! VAC B. |! 12 |! VDC |! to |! 24 |! VDC C. |! 12 |! VDC |! to |! 120 |! VAC D. |! 120 |! VAC |! to |! 24 |! VDC 12 |! VDC |! to |! 120 |! VAC A |! converter |! in |! an |! RV |! is |! used |! to |! _______________________. A. |! convert |! 120 |! VAC |! to |! 12 |! VDC B. |! convert |! amplitude |! energy |! to |! sine |! wave |! output. C. |! convert |! 12 |! VDC |! to |! 120 |! VAC D. |! convert |! solar |! energy |! into |! stored |! battery |! energy.
C. |! bonded. D. |! isopropyl. chemical. What |! type |! of |! battery |! is |! used |! in |! an |! RV's |! 12v |! system? |! A. |! Alkaline. B. |! Lead |! Acid. C. |! Nickel |! Cadmium. D. |! Dry |! Cell. Lead |! Acid. The |! specific |! gravity |! of |! a |! fully |! charged |! lead |! acid |! battery |! is________. |! A. |! 1. B. |! 1. C. |! 1. D. |! 1.
Which |! type |! of |! battery |! is |! most |! often |! used |! for |! the |! chassis |! battery? |! A. |! Lead |! Acid |! Gelled. B. |! Automotive C. |! Dry |! Cell. D. |! Deep-Cycle. Automotive. What |! is |! the |! function |! of |! an |! automatic |! transfer |! switch? A. |! transfers |! all |! engine |! power |! to |! the |! house |! batteries. B. |! moves |! all |! electrical |! power |! from |! the |! front |! of |! the |! coach |! to |! the |! rear.
C. |! only |! used |! with |! battery |! charging |! devices D. |! allows |! only |! one |! power |! source |! to |! the |! vehicle's |! circuitry |! at |! a |! time. allows |! only |! one |! power |! source |! to |! the |! vehicle's |! circuitry |! at |! a |! time. An |! EMS |! (Energy |! Management |! System) |! when |! installed |! in |! a |! coach |! has |! the |! duty |! to |! __________________________________________. A. |! ensure |! KWHs |! do |! not |! exceed |! the |! authorized |! amount. B. |! switch |! off |! various |! components |! in |! a |! prearranged |! pattern |! when |! amperage |! draw |! exceeds |! the |! maximum |! allowable |! amount. |! C. |! combine |! AC |! and |! DC |! voltage |! to |! fully |! power |! all |! devices |! at |! once. D. |! notify |! the |! owner |! of |! electrical |! surges |! and |! brownouts. |! switch |! off |! various |! components |! in |! a |! prearranged |! pattern |! when |! amperage |! draw |! exceeds |! the |! maximum |! allowable |! amount. Which |! one |! of |! the |! following |! components |! would |! be |! unlikely |! to |! be |! found |! in |! an |! RV |! Systems |! Monitor |! Panel? A. |! Black |! tank |! level. B. |! Engine |! oil |! pressure |! gauge. C. |! Gray |! tank |! level. D. |! Coach |! battery |! level/voltage. Engine |! oil |! pressure |! gauge. A |! break |! away |! switch |! serves |! what |! primary |! function? A. |! to |! immediately |! turn-off |! coach |! batteries |! in |! an |! emergency. B. |! to |! apply |! pressure |! to |! the |! hitch |! in |! order |! to |! stop |! trailer |! sway. C. |! to |! apply |! electric |! trailer |! brakes |! in |! the |! event |! the |! tow |! vehicle |! becomes |! separated |! from |! the |! trailer. D. |! to |! apply |! brakes |! on |! the |! tow |! vehicle |! in |! the |! event |! of |! trailer |! detachment.