Download TSSA G3 exam with accurate solutions and more Exams Safety and Fire Engineering in PDF only on Docsity!
TSSA |! G3 |! exam |! with |! accurate |!
solutions
- |! Which |! of |! the |! following |! lists |! best |! describes |! the |! key |! safety |! categories |! to |! be |! considered |! by a |! Gas |! Technician? A. |! personal, |! site, |! tools, |! equipment, |! others, |! OHSA, |! deadlines B. |! personal, |! tools, |! equipment, |! others, |! deadlines, |! 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 |! Code |! - |! Correct |! answer |! ✔C. |! personal, |! tools, |! equipment, |! others, |! site, |! OHSA, |! Ontario |! Gas |! Utilization |! Code How |! would |! a |! gas |! technician |! demonstrate |! a |! concern |! for |! the |! safety |! of |! others? 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) |! By |! demonstrating |! the |! correct |! use |! of |! a |! new |! tool |! to |! a |! co-worker . |! What |! should |! a |! gas |! technician |! 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 |! ✔Get |! a |! copy |! of |! the |! user's |! manual |! and |! read |! it |! before |! using |! the |! equipment. 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. |! Occupational |! Health |! & |! Safety |! Act 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) |! The |! Province |! of |! Ontario 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.
A. |! To |! present |! a |! neat |! appearance. B. |! To |! prevent |! possible |! slips, |! trips |! or |! falls. C. |! To |! reduce |! the |! possibility |! of |! tool |! loss |! in |! debris. D. |! To |! reduce |! the |! likelihood |! of |! rodents |! on |! the |! job |! site. |! - |! Correct |! answer |! ✔B. |! To |! prevent |! possible |! slips, |! trips |! or |! falls. Which |! of |! the |! following |! is |! the |! safest |! situation? A. |! Debris |! is |! stacked |! against |! equipment |! to |! be |! worked |! on. 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 |! area. |! - |! Correct |! answer |! ✔D. |! Scrap |! metal |! is |! stacked |! in |! a |! corner |! away |! from |! your |! work |! area. 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 |! the |! job |! site. D. |! responsible |! for |! providing |! all |! safety |! clothing |! to |! workers. |! - |! Correct |! answer |! ✔A. |! responsible |! for |! ensuring |! that |! safety |! instruction |! is |! provided |! to |! workers. Which |! of |! the |! following |! is |! true? A. |! Workers |! do |! not |! have |! to |! wear |! heard |! 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 |! Occupational |! Health |! and Safety |! Act D. |! Unnecessary |! running |! or |! rough |! or |! boisterous |! conduct |! on |! job |! sites |! is |! not |! prohibited |! by the |! Occupational |! Health |! and |! Safety |! Act. |! - |! Correct |! answer |! ✔B. |! Workers |! must |! wear |! the |! protective |! clothing |! that |! the |! employer |! instructs |! them |! to |! wear on |! the |! job |! site. 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 |! two |! hours. B. |! make |! sure |! there |! is |! a |! 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. |! make |! sure |! there |! is |! a |! record |! of |! the |! first |! aid |! treatment |! or |! any |! advice |! given |! to |! the worker.
D. |! grounded |! extension |! cords, |! safety |! glasses, |! safety |! boots, |! hard |! hat |! - |! Correct |! answer |! ✔A. |! hard |! hat, |! gloves, |! ear |! plugs, |! dust |! mask, |! safety |! glasses, |! work |! boots, |! face |! shields
- |! The |! fastener |! used |! to |! connect |! a |! hose |! to |! a |! fan |! coil |! unit |! is A. |! a |! gear |! clamp. B. |! copper |! bailing |! wire. C. |! electrical |! tape. D. |! a |! grappler |! bar. |! - |! Correct |! answer |! ✔a |! gear |! clamp. Shot |! for |! powder |! activated |! guns |! is |! stored: A. |! in |! a |! locked, |! secure |! compound. B. |! in |! a |! dry, |! secure |! location. C. |! in |! the |! upright |! position |! in |! a |! secure |! compound. D. |! in |! a |! locked |! refrigerated |! cooler. |! - |! Correct |! answer |! ✔B) |! in |! a |! dry, |! secure |! location. What |! is |! the |! purpose |! of |! a |! drill |! gauge? A. |! To |! measure |! the |! diameter |! of |! a |! drill |! bit. B. |! To |! measure |! the |! diameter |! of |! a |! drill. C. |! To |! measure |! the |! length |! of |! a |! drill. D. |! To |! measure |! the |! length |! of |! a |! drill |! bit. |! - |! Correct |! answer |! ✔To |! measure |! the |! diameter |! of |! the |! drill |! bit
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 |! displaced |! on |! the |! atmospheric |! side. |! - |! Correct |! answer |! ✔read |! the |! amount |! of |! water |! column |! displaced |! on |! the |! pressure |! side |! and |! add |! it |! to the |! amount |! displaced |! on |! the |! atmospheric |! side. A |! reading |! of |! 7.0" |! w.c. |! equals: A. |! 1/4psig. |! (1.72 |! kPa) B. |! 1/2 |! psig. |! (3.45 |! kPa) C. |! 3/4psig. |! (5.17kPa) D. |! 1 |! psig. |! (6.9kPa) |! - |! Correct |! answer |! ✔1/4psig. |! (1.72 |! kPa) The |! boiling |! point |! of |! water |! is: A. |! 0 |! °F |! (-18°C) B. |! 68 |! °F |! (20°C) C. |! 200 |! °F |! ( |! 93°C |! ) D. |! 212 |! °F |! (100°C) |! - |! Correct |! answer |! ✔ 212 |! °F |! (100°C)
Copper |! wire |! should |! be |! skinned |! with: A. |! a |! knife. B. |! pliers. C. |! side |! cutters. D. |! a |! wire |! stripper |! - |! Correct |! answer |! ✔wire |! stripper By |! definition, |! the |! specific |! gravity |! of |! a |! gas |! (vapour) |! is: A. |! the |! weight |! of |! the |! gas |! as |! compared |! to |! the |! weight |! of |! air. B. |! the |! weight |! of |! the |! gas |! as |! compared |! to |! the |! weight |! of |! an |! equal |! volume |! of |! air. C. |! the |! volume |! of |! the |! gas |! compared |! to |! the |! equal |! weight |! of |! an |! equal |! volume |! of |! air. D. |! the |! volume |! of |! the |! gas |! as |! compared |! to |! the |! weight |! of |! air. |! - |! Correct |! answer |! ✔the |! weight |! of |! the |! gas |! as |! compared |! to |! the |! weight |! of |! an |! equal |! volume |! of |! air. The |! specific |! gravity |! of |! propane |! vapour |! is A. |! greater |! than |! that |! of |! air. B. |! less |! than |! that |! of |! air. C. |! the |! same |! as |! that |! of |! natural |! gas. D. |! less |! than |! that |! of |! natural |! gas. |! - |! Correct |! answer |! ✔greater |! than |! that |! of |! air. The |! specific |! gravity |! of |! propane |! is: A. |! 0.6" |! w.c B. |! 1" |! w.c
C. |! 1.52" |! w.c D. |! 3.5" |! w.c. |! - |! Correct |! answer |! ✔1.52" |! w.c The |! lower |! and |! upper |! flammable |! limits |! of |! propane |! are: A. |! 2.0% |! - |! 11.0% B. |! 2.4% |! - |! 9.5% C. |! 4.0% |! - |! 14.0% D. |! 5.5% |! - |! 14.5% |! - |! Correct |! answer |! ✔2.4% |! - |! 9.5% 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 |! ✔2,500 |! Btu Propane |! and |! natural |! gas |! are |! composed |! mainly |! of |! which |! of |! the |! following |! elements? A. |! carbon |! and |! nitrogen B. |! carbon |! and |! hydrogen C. |! carbon |! and |! oxygen D. |! carbon |! and |! sulphur |! - |! Correct |! answer |! ✔B. |! carbon |! and |! hydrogen The |! flame |! temperature |! of |! propane |! is |! approximately:
When |! propane |! changes |! from |! a |! liquid |! to |! a |! vapour, |! it |! expands |! and |! its |! volume |! increases A. |! 5 |! times. B. |! 17 |! times. C. |! 185 |! times. D. |! 270 |! times. |! - |! Correct |! answer |! ✔ 270 |! times. One |! imperial |! gallon |! of |! propane |! weighs: A. |! 5.1 |! pounds. B. |! 8.5 |! pounds. C. |! 10.0 |! pounds. D. |! 25.0 |! pounds. |! - |! Correct |! answer |! ✔5.1 |! pounds. When |! one |! pound |! of |! propane |! burns, |! it |! releases |! approximately: A. |! 2,500 |! Btt |! u. B. |! 11,700 |! Btu. C. |! 21,600 |! Btu. D. |! 60,000 |! Btu. |! - |! Correct |! answer |! ✔21,600 |! Btu. The |! products |! of |! propane |! combustion |! are |! primarily. A. |! H |! and |! H20 |! and |! heat. B. |! H20 |! and |! CO |! and |! heat.
C. |! H20, |! CO2 |! and |! heat. D. |! H |! and |! C |! and |! heat. |! - |! Correct |! answer |! ✔H20, |! CO2 |! and |! heat. As |! the |! temperature |! of |! liquid |! propane |! in |! a |! tank |! increases, |! the |! vapour |! pressure |! of |! the propane: A. |! increases. B. |! decreases. C. |! remains |! the |! same. D. |! fluctuates. |! - |! Correct |! answer |! ✔increases The |! amount |! of |! C02 |! 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 |! ✔3.0 |! cu. |! ft. The |! amount |! of |! air |! required |! to |! BURN |! 1 |! cubic |! foot |! (0.028 |! cu. |! m.) A. |! 5.0 |! cu. |! ft. |! (0.14 |! cu. |! m.) B. |! 10.0 |! cu. |! ft. |! (0.28 |! cu. |! m.) C. |! 12.0 |! cu. |! ft. |! (0.34 |! cu. |! m.) D. |! 25.0 |! cu. |! ft. |! (0.71 |! cu. |! m.) |! - |! Correct |! answer |! ✔25.0 |! cu. |! ft. |! (0.71 |! cu. |! m.)
D. |! an |! inorganic |! compound. |! - |! Correct |! answer |! ✔hydrocarbons 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. |! 80% |! nitrogen |! and |! 20% |! oxygen A |! luminous |! flame |! is |! caused |! by: A. |! premixing |! air |! and |! fuel |! prior |! to |! combustion. B. |! not |! premixing |! air |! and |! fuel |! prior |! to |! combustion. C. |! a |! low |! ignition |! temperature. D. |! the |! presence |! of |! carbon |! monoxide. |! - |! Correct |! answer |! ✔not |! premixing |! air |! and |! fuel |! prior |! to |! combustion. A |! Bunsen |! flame |! is |! caused |! by: A. |! premixing |! air |! and |! fuel |! prior |! to |! combustion. B. |! not |! premixing |! air |! and |! fuel |! prior |! to |! combustion. C. |! a |! low |! ignition |! temperature. D. |! the |! presence |! of |! carbon |! monoxide. |! - |! Correct |! answer |! ✔premixing |! air |! and |! fuel |! prior |! to |! combustion. The |! specific |! gravity |! of |! natural |! gas |! is:
A. |! greater |! than |! that |! of |! air. B. |! less |! than |! that |! of |! air. C. |! the |! same |! as |! that |! of |! propane. D. |! greater |! than |! that |! of |! propane. |! - |! Correct |! answer |! ✔less |! than |! that |! of |! air. Natural |! gas |! and |! propane |! are |! composed |! mainly |! of: A. |! carbon |! and |! nitrogen. B. |! carbon |! and |! hydrogen. C. |! carbon |! monoxide |! and |! nitrogen. D. |! carbon |! dioxide |! and |! hydrogen. |! - |! Correct |! answer |! ✔carbon |! and |! hydrogen. The |! flame |! temperature |! of |! natural |! gas |! is |! approximately: A. |! 2500 |! °F |! (1371°C) B. |! 2500 |! °C |! (4532 |! °F) C. |! 3500 |! °F |! (1927°C) D. |! 3500°C |! (6332 |! °F) |! - |! Correct |! answer |! ✔ 3500 |! °F |! (1927°C) The |! theoretical |! boiling |! point |! of |! natural |! gas |! at |! atmospheric |! pressure |! is: A. |! -259°F |! (-162°C) B. |! -44°F |! (- |! 42°C) C. |! 0°F |! (-18°C) D. |! 32°F |! (0°C) |! - |! Correct |! answer |! ✔-259°F |! (-162°C)
C. |! 2,100°F |! (1,149°C)
D. |! 3,000°F(1649°C) |! - |! Correct |! answer |! ✔1,200°F(649°C) The |! specific |! gravity |! of |! natural |! gas |! is: A. |! 0. B. |! 1. C. |! 1. D. |! 2.00 |! - |! Correct |! answer |! ✔0. The |! major |! constituents |! of |! flue |! gases |! after |! the |! proper |! combustion |! of |! natural |! gas |! in |! air are: A. |! CO, |! H20, |! N2, |! excess |! air, |! and |! heat. B. |! H20, |! N2, |! primary |! air, |! and |! heat. C. |! C02, |! H20, |! N2, |! 02, |! and |! heat. D. |! 02, |! CO, |! N2, |! H20, |! and |! heat. |! - |! Correct |! answer |! ✔C02, |! H20, |! N2, |! 02, |! and |! heat. The |! two |! main |! hydrocarbons |! which |! form |! natural |! gas |! are: |! - |! Correct |! answer |! ✔methane |! and |! ethane. What |! theoretical |! gas |! to |! air |! ratio |! is |! necessary |! to |! achieve |! perfect |! combustion |! with |! an atmospheric |! natural |! gas |! burner? A. |! 1 |! part |! of |! natural |! gas |! to |! 10 |! parts |! of |! air
B. |! 5 |! parts |! of |! natural |! gas |! to |! 5 |! parts |! of |! air C. |! 5 |! parts |! of |! natural |! gas |! to |! 15 |! parts |! of |! air D. |! 20 |! parts |! of |! natural |! gas |! to |! 1 |! part |! of |! air |! - |! Correct |! answer |! ✔ 1 |! part |! of |! natural |! gas |! to |! 10 |! parts |! of |! air Carbon |! monoxide |! is |! produced |! through: |! - |! Correct |! answer |! ✔incomplete |! combustion. 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 |! ✔carbon |! dioxide, |! water |! vapour, |! and |! heat 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 |! ✔carbon |! monoxide |! may |! be |! produced. What |! could |! result |! if |! a |! flame |! is |! adjusted |! with |! too |! much |! primary |! air? A. |! flame |! quenching
