Download peter g3 exam with correct answers and more Exams Safety and Fire Engineering in PDF only on Docsity!
peter |! g3 |! exam |! with |! correct |! answers
which |! of |! the |! following |! lists |! best |! describes |! the |! key |! safety |! categories |! considered |! by |! a |! gas |! technician |! A) |! personal, |! site, |! tools, |! equipment, |! others, |! OHSA, |! deadlines B) |! personal, |! tools, |! equipment, |! others, |! deadines, |! ontario |! gas |! code |! requirements C) |! personal, |! tools, |! equipment, |! others, |! site, |! OHSA, |! ontario |! gas |! utilization |! code D) |! personal, |! tools, |! equipment, |! others, |! safety |! rule |! books, |! ontario |! gas |! utilization |!
- |! Correct |! answer |! ✔C what |! should |! a |! gas |! technician |! do |! when |! a |! new |! piece |! of |! equipment |! is |! introduced |! for |! us A) |! by |! always |! wearing |! approved |! work |! boots, |! hard |! hat |! and |! safety |! glasses B) |! by |! demonstrating |! the |! correct |! use |! of |! a |! new |! tool |! to |! a |! co-worker C) |! by |! letting |! others |! climb |! ladders |! first D) |! by |! letting |! others |! learn |! from |! their |! mistakes |! - |! Correct |! answer |! ✔B what |! should |! a |! gas |! tech |! do |! when |! a |! new |! piece |! of |! equipment |! is |! introduced |! for |! use A) |! carefully |! examine |! the |! equipment |! and |! determine |! how |! to |! use |! it |! properly |! B) |! ask |! a |! co-worker |! to |! help |! determine |! how |! to |! use |! it |! properly C) |! get |! a |! copy |! of |! the |! user's |! manual |! and |! read |! it |! before |! using |! the |! equipment
D) |! refuse |! to |! work |! with |! new |! equipment |! until |! someone |! else |! has |! used |! it |! - |! Correct |! answer |! ✔C what |! does |! OHSA |! stand |! for |! A) |! ontario |! health |! & |! standards |! act B) |! ontario |! health |! & |! safety |! act C) |! occupational |! health |! & |! safety |! act D) |! occupational |! health |! & |! standards |! act |! - |! Correct |! answer |! ✔C which |! of |! the |! following |! regulates |! workplace |! safety A) |! the |! province |! of |! ontario B) |! the |! ontario |! gas |! utilization |! code C) |! the |! national |! fire |! code D) |! the |! national |! building |! code |! - |! Correct |! answer |! ✔A what |! should |! MSDS |! sheets |! be |! used |! for |! by |! a |! technician |! A) |! to |! be |! aware |! of |! flammable, |! corrosive, |! or |! explosive |! substances B) |! to |! know |! what |! materials |! are |! available |! for |! the |! technicians' |! use C) |! to |! know |! the |! best |! brand |! of |! product |! to |! purchase D) |! to |! be |! aware |! of |! the |! best |! source |! of |! lubricants |! for |! machinery |! - |! Correct |! answer |! ✔A which |! phrase |! is |! true
B) |! the |! pathway |! to |! equipment |! is |! under |! water C) |! dim |! light |! in |! work |! areas |! making |! it |! difficult |! to |! read |! labels |! on |! equipment D) |! scrap |! metal |! is |! stacked |! in |! a |! corner |! away |! from |! your |! work |! - |! Correct |! answer |! ✔D an |! employer |! is A) |! responsible |! for |! ensuring |! that |! safety |! instruction |! is |! provided |! to |! workers |! B) |! not |! responsible |! for |! ensuring |! that |! safety |! instruction |! is |! provided |! to |! workers C) |! responsible |! for |! ensuring |! that |! workers |! arrive |! safely |! on |! a |! job |! site D) |! responsible |! for |! providing |! all |! safety |! clothing |! to |! workers |! - |! Correct |! answer |! ✔A which |! of |! the |! following |! is |! true A) |! workers |! do |! not |! have |! to |! wear |! hard |! hat |! off |! a |! construction |! site, |! even |! if |! instructed |! to |! do |! so |! by |! the |! employer B) |! workers |! must |! wear |! the |! protective |! clothing |! that |! the |! employer |! instructs |! them |! to |! wear |! on |! the |! job |! site |! C) |! workers |! do |! not |! have |! to |! be |! aware |! of |! the |! contents |! of |! the |! OHSA |! D) |! unnecessary |! running |! rough |! or |! boisterous |! conduct |! on |! job |! sites |! is |! not |! prohibited |! by |! the |! OHSA |! - |! Correct |! answer |! ✔B the |! workers |! compensation |! board |! act |! says |! that |! in |! all |! cases |! of |! injury |! or |! disease, |! an |! employer |! must |! A) |! make |! sure |! first |! aid |! is |! given |! within |! 2 |! hours B) |! make |! sure |! there |! is |! record |! of |! the |! first |! aid |! treatment |! or |! any |! advice |! given |! to |! the |! worker
C) |! complete |! and |! keep |! a |! form |! if |! more |! than |! first |! aid |! treatment |! or |! advice |! is |! needed D) |! notify |! worker's |! family |! immediately |! - |! Correct |! answer |! ✔B according |! to |! the |! workers |! compensation |! board |! act |! which |! of |! the |! following |! statements |! is |! part |! of |! the |! worker's |! obligation |! in |! all |! cases |! of |! injury/disease |! A) |! obtain |! first |! aid |! promptly B) |! notify |! the |! employer |! of |! any |! injury |! within |! 8 |! hours C) |! notify |! the |! employer |! of |! the |! possible |! onset |! of |! a |! work |! related |! disease/condition |! within |! 2 |! working |! days D) |! find |! a |! doctor |! or |! qualified |! practitioner |! who |! will |! give |! a |! second |! opinion |! concerning |! the |! injury |! - |! Correct |! answer |! ✔B how |! many |! classes |! of |! fire |! extinguishers |! are |! listed |! A) |! 3 B) |! 4 C) |! 5 D) |! 6 |! - |! Correct |! answer |! ✔C which |! of |! the |! following |! are |! the |! key |! pieces |! of |! PPE |! A) |! hard |! hats, |! gloves, |! ear |! plugs, |! dust |! mask, |! safety |! glasses, |! work |! boots, |! face |! shields B) |! ladders, |! hand |! tools, |! power |! tools C) |! protective |! clothing, |! hand |! tools, |! face |! shields, |! hats
B) |! to |! measure |! the |! diameter |! drill |! C) |! to |! measure |! the |! length |! of |! a |! drill D) |! to |! measure |! the |! length |! of |! a |! drill |! bit |! - |! Correct |! answer |! ✔A to |! determine |! the |! indicated |! gas |! pressure |! on |! a |! water-filled |! "U" |! tube |! manometer A) |! read |! the |! amount |! of |! water |! column |! displaced |! on |! the |! pressure |! side |! B) |! read |! the |! amount |! of |! water |! column |! displaced |! on |! the |! atmospheric |! side C) |! read |! the |! amount |! of |! water |! column |! displaced |! on |! the |! pressure |! side |! and |! add |! it |! to |! the |! amount |! displaced |! on |! the |! atmospheric |! side |! D) |! read |! the |! amount |! of |! water |! column |! displaced |! on |! the |! pressure |! side |! and |! subtract |! it |! from |! the |! amount |! displayed |! on |! the |! atmospheric |! side |! - |! Correct |! answer |! ✔C a |! reading |! of |! 7.0" |! w.c |! equals: A) |! 1/4 |! psig |! (1.72 |! kPa) B) |! 1/2 |! psig |! (3.45 |! kPa) C) |! 3/4 |! psig |! (5.17 |! kPa) D) |! 1 |! psig |! (6.9 |! kPa) |! - |! Correct |! answer |! ✔A the |! boiling |! point |! of |! water |! is |! A) |! 0 |! F |! (-18C) B) |! 68 |! F |! (20C) C) |! 200 |! F |! (93C) D) |! 212 |! F |! (100C) |! - |! Correct |! answer |! ✔D
a |! carbon |! bit |! is |! used |! to |! drill |! into |! A) |! steel B) |! wood C) |! iron D) |! black |! iron |! - |! Correct |! answer |! ✔A a |! carbide |! bit |! is |! used |! to |! drill |! into A) |! stainless |! steel B) |! wood C) |! plastic D) |! concrete |! - |! Correct |! answer |! ✔D lead |! shields |! are |! generally |! used |! to |! anchor |! fasteners |! to |! A) |! steel B) |! wood C) |! plastic D) |! concrete |! - |! Correct |! answer |! ✔D copper |! wire |! should |! be |! skinned |! with |! A) |! a |! knife B) |! pliers C) |! side |! cutters
B) |! 2.4 |! % |! - |! 9.5%
C) |! 4.0 |! % |! - |! 14.0%
D) |! 5.5% |! - |! 14.5% |! - |! Correct |! answer |! ✔B the |! heat |! content |! of |! 1 |! cubic |! foot |! of |! propane |! is |! approximately |! A) |! 1,000 |! BTU B) |! 2,500 |! BTU C) |! 10,000 |! BTU D) |! 25,000 |! BTU |! - |! Correct |! answer |! ✔B propane |! and |! natural |! gas |! are |! comprised |! mainly |! of |! which |! of |! the |! following |! elements A) |! carbon |! and |! nitrogen B) |! carbon |! and |! hydrogen C) |! carbon |! and |! oxygen D) |! carbon |! and |! sulfur |! - |! Correct |! answer |! ✔B the |! flame |! temperature |! of |! propane |! is |! approximately A) |! 1500F |! (816C) B) |! 1500C |! (2732F) C) |! 3650F |! (2010C) D)3650C |! (6602F) |! - |! Correct |! answer |! ✔C
the |! ignition |! temperature |! of |! propane |! is A) |! 920F |! - |! 1020F |! (493F-549C) B) |! 920C |! - |! 1030C |! (1688F-1868F) C) |! 1210F |! - |! 1260F |! (654C-682C) D) |! 1210C |! - |! 1260C |! (2210F-2300F) |! - |! Correct |! answer |! ✔A the |! relative |! density |! propane |! is A) |! equal |! to |! the |! relative |! density |! of |! air B) |! 2 |! times |! the |! relative |! density |! of |! air C) |! 1 |! 1/2 |! times |! the |! relative |! density |! of |! air |! D) |! the |! relative |! density |! of |! air |! - |! Correct |! answer |! ✔C the |! boiling |! point |! of |! propane |! at |! atmospheric |! pressure |! is A) |! -44F |! (-42.2C) B) |! -10F |! (-23.3C) C) |! 0F |! (-17.7C) D) |! 32F |! (0C) |! - |! Correct |! answer |! ✔A when |! propane |! changes |! from |! a |! liquid |! to |! a |! vapour, |! it |! expands |! and |! its |! volume |! increases |! by: A) |! 5 |! times B) |! 17 |! times C) |! 185 |! times
B) |! decreases C) |! remains |! the |! same D) |! fluctuates |! - |! Correct |! answer |! ✔A the |! amount |! of |! CO2 |! produced |! per |! cubic |! foot |! of |! propane |! burned |! is A) |! 7.6 |! cu |! ft B) |! 3.0 |! cu |! ft |! C) |! 18.5 |! cu |! ft |! D) |! 12.0 |! cu |! ft |! - |! Correct |! answer |! ✔B the |! amount |! of |! air |! required |! to |! BURN |! 1 |! cubic |! foot |! (0.028 |! cu |! m) |! of |! propane |! is |! approximately |! A) |! 5.0 |! cu |! ft |! (0.14 |! cu |! m) B) |! 10 |! cu |! ft |! (0.28 |! cu |! m) C) |! 12 |! cu |! ft |! (0.34 |! cu |! m) D) |! 25 |! cu |! ft |! (0.71 |! cu |! m) |! - |! Correct |! answer |! ✔D the |! air |! found |! in |! the |! products |! of |! combustion |! after |! the |! complete |! combustion |! of |! natural |! gas |! or |! propane |! is |! called A) |! primary |! air B) |! secondary |! air C) |! excess |! air D) |! dilution |! air |! - |! Correct |! answer |! ✔C
which |! of |! the |! following |! is |! toxic |! A) |! natural |! gas B) |! propane |! gas C) |! carbon |! monoxide D) |! carbon |! dioxide |! - |! Correct |! answer |! ✔C air |! that |! is |! mixed |! with |! fuel |! prior |! to |! ignition |! is |! called |! A) |! primary |! air B) |! secondary |! air |! C) |! excess |! air |! D) |! theoretical |! air |! - |! Correct |! answer |! ✔B carbon |! monoxide |! is |! a |! product |! of |! the |! incomplete |! combustion |! of |! A) |! nitrogen |! B) |! oxygen C) |! a |! hydrocarbon D) |! an |! inorganic |! compound |! - |! Correct |! answer |! ✔C air |! is |! about |! A) |! 50% |! nitrogen |! and |! 50% |! oxygen |! B) |! 60% |! nitrogen |! and |! 40% |! oxygen C) |! 70% |! nitrogen |! and |! 30% |! oxygen D) |! 80% |! nitrogen |! and |! 20% |! oxygen |! - |! Correct |! answer |! ✔D
D) |! carbon |! dioxide |! and |! hydrogen |! - |! Correct |! answer |! ✔B the |! flame |! temperature |! of |! natural |! gas |! is |! approximately |! A) |! 2500 |! F |! (1371C) B) |! 2500 |! C |! (4532F) C) |! 3500 |! F |! (1927C) D) |! 3500 |! C |! (6332F) |! - |! Correct |! answer |! ✔C the |! theoretical |! boiling |! point |! of |! natural |! gas |! at |! atmospheric |! pressure |! is |! A) |! -259F |! (-162C) B) |! -44F |! (-42C) C) |! 0F |! (-18C) D) |! 32F |! (0C) |! - |! Correct |! answer |! ✔A the |! products |! of |! complete |! combustion |! of |! natural |! gas |! and |! propane |! are |! primarily A) |! hydrogen, |! water(vapour), |! and |! heat B) |! carbon, |! carbon |! monoxide, |! and |! heat C) |! water(vapour), |! carbon |! dioxide, |! and |! heat |! D) |! hydrogen, |! carbon |! and |! heat |! - |! Correct |! answer |! ✔C the |! amount |! of |! air |! required |! to |! burn |! 1 |! cubic |! foot |! of |! natural |! gas |! is |! approximately |! A) |! 5.0 |! cu |! ft |! (0.14 |! cu |! m) B) |! 10 |! cu |! ft |! (0.28 |! cu |! m)
C) |! 12 |! cu |! ft |! (0.34 |! cu |! m) D) |! 25 |! cu |! ft |! (0.71 |! cu |! m) |! - |! Correct |! answer |! ✔B the |! odorant |! added |! to |! natural |! gas |! for |! detection |! purposes |! is A) |! sulphur B) |! mustard C) |! carbon |! dioxide D) |! mercaptan |! - |! Correct |! answer |! ✔D what |! is |! the |! approximate |! ignition |! temperature |! of |! natural |! gas A) |! 800F |! (427C) B) |! 1,200F |! (649C) C) |! 2,100F |! (1,149C) D) |! 3,000F |! (1,649C) |! - |! Correct |! answer |! ✔B the |! specific |! gravity |! of |! natural |! gas A) |! 0. B) |! 1. C) |! 1. D) |! 2.00 |! - |! Correct |! answer |! ✔A the |! major |! constituents |! of |! flue |! gases |! after |! the |! proper |! combustion |! of |! natural |! gas |! in |! the |! air |! are
carbon |! monoxide |! is |! produced |! through |! A) |! perfect |! combustion |! B) |! complete |! combustion |! with |! excess |! air |! present C) |! incomplete |! combustion |! D) |! incomplete |! mixing |! of |! theoretical |! air |! and |! primary |! air |! - |! Correct |! answer |! ✔C the |! products |! of |! complete |! combustion |! of |! natural |! gas |! in |! air |! are |! A) |! carbon |! monoxide, |! water |! vapour, |! and |! heat B) |! carbon |! dioxide, |! water |! vapour, |! and |! heat C) |! aldehydes, |! water |! vapour, |! and |! heat D) |! nitrous |! oxide, |! water |! vapour, |! and |! heat |! - |! Correct |! answer |! ✔B if |! a |! natural |! gas |! flame |! is |! adjusted |! to |! produce |! more |! than |! 10% |! carbon |! dioxide A) |! carbon |! monoxide |! may |! be |! produced B) |! combustion |! efficiency |! will |! decrease C) |! the |! flame |! will |! be |! very |! noisy |! and |! will |! lift |! off |! of |! the |! burner |! D) |! there |! will |! be |! little |! overall |! effect |! - |! Correct |! answer |! ✔A what |! could |! result |! if |! a |! flame |! is |! adjusted |! with |! too |! much |! primary |! air |! A) |! flame |! quenching |! B) |! a |! luminous |! flame C) |! flame |! lit
D) |! flame |! dilution |! - |! Correct |! answer |! ✔C natural |! gas |! is |! 85% |! to |! 90% A) |! ethane B) |! pentane |! C) |! methane |! D) |! butane |! - |! Correct |! answer |! ✔C how |! much |! air |! is |! required |! to |! burn |! 1,000 |! cubic |! feet |! or |! natural |! gas |! per |! hour A) |! 100 |! cu |! ft |! (2.843 |! cu |! m) B) |! 1,000 |! cu |! ft |! (28.3 |! cu |! m) C) |! 10,000 |! cu |! ft |! (283.1 |! cu |! m) D) |! 100,000 |! cu |! ft |! (2831 |! cu |! m) |! - |! Correct |! answer |! ✔C one |! boiler |! horsepower |! is |! approximately |! A) |! 20,000 |! Btuh |! (5.8 |! kW) B) |! 25,000 |! Btuh |! (7.3 |! kW) C) |! 34,000 |! Btuh |! (10 |! kW) D) |! 54,000 |! Btuh |! (15kW) |! - |! Correct |! answer |! ✔C two |! undesirable |! products |! of |! incomplete |! combustion |! are |! A) |! CO |! and |! aldehydes |! B) |! CO |! and |! N
