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BC Shiftboss exam questions with correct answers
Typology: Exams
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Does |\the |\mixing |\of |\ammonium |\nitrate |\and |\fuel |\oil |\to |\form |\an |
explosive |\require |\any |\legal |\approval? |- |\CORRECT |\ANSWERS |\✔✔Yes, |
only |\if |\the |\user |\has |\received |\written |\approval |\of |\the |\Chief |\Inspector |\of |\Explosives "What |\three |\methods |\may |\be |\used |\to |\destroy |\AN/FO |\explosives?" |- |
CORRECT |\ANSWERS |\✔✔"-By |\emptying |\the |\containers |\into |\a |\large |
body |\of |\stagnant |\water -By |\emptying |\them |\into |\a |\pit |\and |\pouring |\water |\of |\them -By |\scattering |\them |\on |\the |\ground |\and |\then |\covering |\them |\with |
dirt. ""How |\is |\primacord |\destroyed?""" |- |\CORRECT |\ANSWERS |\✔✔The |
preferred |\method |\is |\by |\burning |\in |\the |\same |\manner |\as |\dynamite. |
It |\must |\not |\be |\burned |\on |\the |\spool, |\but |\strung |\out |\in |\parallel |\lines |\at |\least |\1cm |\apart. "What |\is |\primacord?" |- |\CORRECT |\ANSWERS |\✔✔It |\is |\detonating |\cord |
consisting |\of |\high |\explosive |\core |\contained |\in |\a |\waterproof |\textile |
covering.
"What |\is |\the |\proper |\method |\of |\attaching |\a |\blasting |\cap |\to |\a |\line |\of |\primacord?" |- |\CORRECT |\ANSWERS |\✔✔The |\cap |\is |\attached |\to |\the |
side |\of |\the |\primacord |\by |\means |\of |\friction |\tape |\or |\other |\suitable |
material. "What |\is |\a |"Nonel" |\assembly?" |- |\CORRECT |\ANSWERS |\✔✔A |\plastic |
shock |\tube |\coated |\inside |\with |\finely |\powdered |\explosive |\and |
securely |\crimped |\to |\a |\high |\strength |(12 |\grain |\PETN) |\non-electric |
delay |\detonator. "Can |\a |"Nonel" |\cap |\be |\used |\to |\detonate |\all |\types |\of |\explosives |\that |\are |\cap |\sensitive?" |- |\CORRECT |\ANSWERS |\✔✔Yes, |\the |\shock |\tube |
will |\not |\disturb |\any |\column |\of |\powder |\as |\the |\shock |\tube |\does |\not |
explode. "How |\would |\you |\hook |\up |"Nonel" |\caps?" |- |\CORRECT |\ANSWERS |
✔✔Hook |\up |\Nonel |\to |\a |\b-line |\trunk |\line |\pulling |\excess |\tubing |
through |\the |\plastic |\connector, |\then |\attach |\a |\cap |\to |\b-line |\trunk |\line |\and |\blast. "Would |\you |\trim |\off |\excess |\Nonel |\tubing?" |- |\CORRECT |\ANSWERS |
✔✔No, |\each |\Nonel |\is |\a |\sealed |\unit. |\One |\end |\of |\the |\tube |\is |\sealed |
by |\means |\of |\heat |\seals, |\the |\other |\end |\by |\the |\detonator. |\If |\excess |
tubing |\is |\cut |\off |\moisture |\may |\enter |\and |\cause |\malfunction.
"What |\is |\the |\chemical |\composition |\of |\the |\explosive |\used |\in |
detonating |\cord?" |- |\CORRECT |\ANSWERS |\✔✔Pentaerythritol |
tetranitrate. "How |\is |\the |\explosive |\strength |\of |\detonating |\cord |\usually |
expressed?" |- |\CORRECT |\ANSWERS |\✔✔In |\grams |\of |\PETN |\per |\meter |
of |\foot |\of |\cord. "What |\is |\a |\detonating |\connector |\relay?" |- |\CORRECT |\ANSWERS |\✔✔A |
detonating |\connector |\relay |\is |\a |\nonelectric |\device |\which |\provides |\a |
short |\interval |\delay |\in |\a |\detonation |\cord |\circuit. |\It |\is |\also |\known |\as |
a |\delay |\connector, |\MS |\connector, |\or |\a |\relay. "How |\is |\a |\pigtail |\detonating |\connector |\attached |\to |\detonating |
cord?" |- |\CORRECT |\ANSWERS |\✔✔By |\a |\square |\knot |\or |\by |\taping |
together, |\with |\ 4 |\overlap." "What |\is |\the |\purpose |\of |\Nonel |\MS |\connectors?" |- |\CORRECT |
ANSWERS |\✔✔Nonel |\MS |\connectors |\are |\used |\with |\detonating |\cord |
to |\provide |\millisecond |\delay |\intervals |\along |\a |\line |\of |\propagation. "How |\should |\detonating |\cord |\be |\cut?" |- |\CORRECT |\ANSWERS |\✔✔With |\a |\crimper, |\knife, |\or |\cord |\cuter |\on |\a |\slight |\angle |\and |\with |\a |\pulling |
motion.
"Why |\should |\newly |\cut |\ends |\of |\detonating |\cord |\be |\sealed?" |- |
CORRECT |\ANSWERS |\✔✔Newly |\cut |\ends |\should |\be |\sealed |\with |\tape |
or |\plastic |\sleeves |\to |\keep |\the |\explosive |\core |\clean |\and |\dry, |\as |\well |
as |\to |\prevent |\the |\PETN |\core |\from |\spilling |\out. "May |\a |\factory |\splice |(an |\overlap |\connection |\secured |\by |\a |\string |\tie) |\as |\found |\on |\a |\reel |\of |\detonating |\cord |\be |\used |\in |\a |\blasting |
circuit?" |- |\CORRECT |\ANSWERS |\✔✔No, |\the |\string |\should |\be |\removed |
and |\a |\connection |\made |\using |\a |\standard |\knot. "Are |\a |\plastic |\connector |\and |\a |\plastic |\detonating |\connector |\the |
same |\thing?" |- |\CORRECT |\ANSWERS |\✔✔No, |\a |\plastic |\connector |\is |
used |\to |\connect |\downlines |\to |\trunks. |\It |\does |\not |\contain |\explosives |\and |\should |\not |\be |\confused |\with |\a |\plastic |\detonating |\connector. "What |\length |\of |\overlap |\is |\recommended |\when |\taping |\ 2 |\lengths |\of |
detonating |\cord |\together |\with |\electricians |\tape?" |- |\CORRECT |
ANSWERS |\✔✔ 4 |\inches |(10cm). "What |\type |\of |\detonator |\is |\recommended |\to |\be |\used |\to |\initiate |
detonating |\cord?" |- |\CORRECT |\ANSWERS |\✔✔A |\High |\Strength" |
detonator." "How |\should |\the |\detonator |\be |\oriented |\when |\taped |\to |\detonating |
cord?" |- |\CORRECT |\ANSWERS |\✔✔The |\base |\end |\of |\the |\detonator |\
"How |\is |\a |\shocktube |\of |\a |\Nonel |\detonator |\constructed?" |- |\CORRECT |\ANSWERS |\✔✔The |\shock |\tube |\is |\a |\hollow |\plastic |\tube |\lined |\with |
finely |\powdered |\explosives, |\when |\properly |\initiated |\it |\propagates |\a |
shock |\wave |\to |\the |\detonator |\causing |\it |\to |\explode. "What |\is |\the |\velocity |\of |\propagation |\in |\the |\Nonel |\shock |\tube?" |- |
CORRECT |\ANSWERS |\✔✔2,000m/s |\or |\6,560f/s "What |\is |\the |\important |\feature |\of |\the |\Nonel |\assembly |\in |\blasting?" |- |\CORRECT |\ANSWERS |\✔✔The |\tube |\remains |\intact |\during |
propagation |\and |\therefor |\has |\no |\effect |\on |\explosives |\in |\contact |
with |\it. |\Thus, |\the |\Nonel |\assembly |\can |\be |\used |\with |\any |\explosive |
regardless |\of |\sensitivity. "What |\are |\ 2 |\types |\of |\Nonel |\tubing |\available |\and |\what |\are |\their |
respective |\uses?" |- |\CORRECT |\ANSWERS |\✔✔"A) |\Plain |- |\for |\general |
application B) |\XT |- |\very |\durable |\and |\intended |\for |\deep |\holes |\and |\adverse |
conditions. ""How |\must |\Nonel |\tubing |\be |\stored?""" |- |\CORRECT |\ANSWERS |
✔✔Sealed, |\dry, |\and |\uncontaminated. "Is |\Nonel |\tubing |\impervious |\to |\oil |\in |\ANFO?" |- |\CORRECT |\ANSWERS |
✔✔No, |\fuel |\oil |\can |\penetrate |\the |\plastic |\tubing. |\Tubing |\must |\not |\be
|\exposed |\to |\ANFO |\or |\other |\oil |\containing |\explosives |\in |\a |\loaded |
hole |\for |\a |\period |\exceeding |\ 6 |\days |(15 |\days |\for |\Nonel |\XT). "Is |\there |\a |\hazard |\in |\holding |\or |\being |\in |\close |\proximity |\to |\Nonel |
tubing |\when |\it |\is |\initiated?" |- |\CORRECT |\ANSWERS |\✔✔Yes, |\a |\flaw |\in |
the |\manufacturing |\or |\damage |\to |\the |\tubing |\could |\cause |\serious |
injury. "How |\are |\Nonel |\assemblies |\connected |\into |\a |\circuit?" |- |\CORRECT |
ANSWERS |\✔✔Trunkline |(detonating |\cord) |\is |\used |\to |\connect |\Nonel |
assemblies |\into |\a |\circuit. |\The |\type |\and |\strength |\of |\cord |\depends |\on |\the |\Nonel |\assembly |\being |\used. "Why |\should |\Nonel |\tubing |\never |\be |\cut?" |- |\CORRECT |\ANSWERS |
✔✔Moisture |\will |\enter |\the |\tubing |\and |\the |\explosive |\lining |\will |\be |
rendered |\insensitive. |\Also, |\a |\blowout |\will |\occur |\through |\the |\cut |\end |\and |\the |\detonator |\may |\not |\initiate. "How |\is |\Nonel |\tubing |\and |\trunkline |\designed |\to |\e |\initiated?" |- |
CORRECT |\ANSWERS |\✔✔By |\a |\High |\Strength" |\detonator. |\Any |\other |
explosive |\is |\considered |\unreliable." "How |\do |\you |\check |\that |\Nonel |\tubes |\have |\been |\initiated?" |- |
CORRECT |\ANSWERS |\✔✔Cut |\a |\piece |\of |\tubing |\off |\blow |\through |\it |
into |\the |\palm |\of |\your |\hand, |\if |\a |\silvery |\powder |\gets |\blown |\out, |\it |
has |\not |\been |\initiated. |\A |\cut |\tube |\can |\no |\longer |\be |\used.
C) |\The |\B-Line |\does |\not |\touch |\or |\cross |\over |\any |\tubes |\leading |\to |
the |\holes/collar. ""What |\is |\a |\powder |\headache |\and |\how |\can |\it |\be |\avoided?""" |- |
CORRECT |\ANSWERS |\✔✔A |\headache |\induced |\by |\NG |\exposure. |\It |\can |\be |\avoided |\by |\minimizing |\skin |\contact |\with |\NG |\explosives |\and |\by |
wearing |\plastic, |\vinyl, |\or |\latex |\gloves. "How |\much |\explosive |\may |\be |\stored |\in |\a |\workplace |\storage |\box?" |- |\CORRECT |\ANSWERS |\✔✔A |\ 24 |\hour |\supply. "How |\close |\to |\overhead |\power |\lines |\can |\a |\magazine |\be |\located?" |- |
CORRECT |\ANSWERS |\✔✔It |\must |\be |\further |\away |\than |\the |\distance |
located |\between |\power |\poles. "What |\are |\ 3 |\regulations |\relating |\to |\magazines |\about |\the |\protection |
of |\explosives |\from |\fire?" |- |\CORRECT |\ANSWERS |\✔✔"A) |\Keep |
flammable |\material |\away. B) |\No |\smoking |\in |\the |\vicinity. C) |\Clear |\brush |\and |\grass |\to |\bare |\earth. ""in |\what |\order |\should |\explosives |\be |\taken |\from |\a |\magazine?""" |- |
CORRECT |\ANSWERS |\✔✔Oldest |\first.
"Which |\of |\the |\following |\can |\be |\stored |\with |\other |\explosives: |- |
CORRECT |\ANSWERS |\✔✔A) |\electric |\caps |\which |\have |\the |\lead |\wires |
shunted |
B) |\capped |\Safety |\Fuse |
C) |\primacord |
D) |\none |\of |\the |\above" |\Primacord "What |\are |\the |\ 2 |\purposes |\of |\proper |\explosive |\storage?" |- |\CORRECT |
ANSWERS |\✔✔"- |\Safety
explosives |\or |\detonators, |\but |\preferably |\in |\a |\separate, |\dry, |\secure |
location. "Where |\must |\detonating |\cord |\and |\boosters |\be |\stored?" |- |\CORRECT |
ANSWERS |\✔✔They |,must |\always |\be |\stored |\in |\a |\blasting |\explosive |
magazine, |\never |\with |\detonators. "Is |\ammonium |\nitrate |\considered |\an |\explosive |\when |\stored |\with |
other |\explosives?" |- |\CORRECT |\ANSWERS |\✔✔When |\stored |\with |\others |\explosives, |\HALF |\the |\weight |\of |\ammonium |\nitrate |\must |\be |\treated |
as |\an |\explosive |\and |\included |\in |\the |\license |\limits |\for |\the |\magazine. "Why |\must |\empty |\explosives |\containers |\and |\packaging |\not |\be |
reused?" |- |\CORRECT |\ANSWERS |\✔✔They |\must |\be |\carefully |\collected |
and |\destroyed |\as |\they |\constitute |\a |\potential |\explosive |\and |\fire |
hazard. |\Reusing |\them |\is |\unlawful. "I |\there |\a |\necessity |\to |\ensure |\that |\explosives |\are |\kept |\fresh?" |- |
CORRECT |\ANSWERS |\✔✔Yes, |\older |\stock |\of |\explosives |\must |\be |\used |
first |\as |\the |\deteriorate |\with |\age. "How |\may |\slurry/watergel |\explosives |\be |\destroyed?" |- |\CORRECT |
ANSWERS |\✔✔Due |\to |\their |\water |\resistance |\an |\because |\some |
contain |\insoluble |\explosive |\ingredients, |\they |\should |\be |\destroyed |\y |
detonation.
"How |\may |\cast |\boosters |\be |\destroyed?" |- |\CORRECT |\ANSWERS |\✔✔By |\detonating |\them |\or |\burning |\them |\in |\quantities |\less |\than |\50kg |\as |
is |\done |\for |\dynamite. "Who |\or |\what |\agency |\establishes |\the |\standard |\for |\Explosive |
magazines?" |- |\CORRECT |\ANSWERS |\✔✔NRC |\Explosive |\Branch, |\or |
Explosives |\Act |\of |\Canada. "How |\often |\shall |\a |\magazine |\be |\insoected?" |- |\CORRECT |\ANSWERS |
✔✔Weekly "How |\must |\the |\area |\in |\the |\vicinity |\of |\the |\magazine |\be |\maint" |- |
CORRECT |\ANSWERS |\✔✔The |\grounds |\surrounding |\the |\magazine |
must |\be |\maintained |\free |\of |\brush, |\weeds, |\dry |\grass |\and |\other |
combustibles |\for |\a |\distance |\of |\at |\least |\ 8 |\meters. "What |\are |\the |\storage |\capacities |\for |\type |\ 6 |\magazines?" |- |\CORRECT |
ANSWERS |\✔✔The |\maximum |\storage |\quantity |\is |\100kg |\or |\ 500 |
detonators. "How |\is |\nitroglycerine |\contamination |\removed |\from |\the |\floor |\of |\a |
magazine?" |- |\CORRECT |\ANSWERS |\✔✔Special |\cleanser |\can |\be |
obtained |\from |\explosives |\distributors |\or |\made |\by |\mixing |\500g |\of |\
"What |\is |\the |\minimum |\distance |\required |\between |\surface |
magazines |\containing |\detonators |\and |\explosives |\magazines?" |- |
CORRECT |\ANSWERS |\✔✔ 50 |\meters. "Where |\must |\detonating |\cord |\be |\stored?" |- |\CORRECT |\ANSWERS |
✔✔It |\is |\stored |\with |\explosives. "Where |\are |\detonating |\connectors |(delays) |\stored?" |- |\CORRECT |
ANSWERS |\✔✔They |\are |\stored |\with |\detonators, |\and |\not |\with |
detonating |\cord |\or |\other |\explosives. "Are |\Nonel |\assemblies |\stored |\in |\explosive |\magazines |\or |\detonator |
magazines |\and |\why?" |- |\CORRECT |\ANSWERS |\✔✔Nonel |\assemblies |
include |\a |\detonator |\containing |\sensitive |\primary |\explosive |\and |
therefor |\must |\be |\stored |\with |\detonators |\and |\not |\with |\detonating |
cord |\or |\other |\explosive |\material. "A |\detonator |\magazine |\is |\used |\for |\storing: |- |\CORRECT |\ANSWERS |
✔✔A) |\Capped |\fuse |\assemblies |
B) |\Short |\period |\electric |\blasting |\caps |
C) |\Magnadets |
D) |\Detonating |\cords |
E) |\XT |\Nonels" |"- |\capped |\fuse |\assemblies
"What |\precautions |\must |\the |\blaster |\take |\during |\an |\electrical |\storm? |\What |\does |\the |\Code |\require?" |- |\CORRECT |\ANSWERS |\✔✔"- |\The |
blaster |\shall |\not |\connect |\an |\electrical |\blasting |\circuit |\during |\an |
electrical |\storm.
"Must |\the |\battery |\circuit |\of |\a |\bulk |\truck, |\mix |\truck, |\or |\ANFO |
blending |\truck |\be |\disconnected |\when |\the |\vehicle |\is |\parked |
overnight |\or |\for |\prolonged |\storage?" |- |\CORRECT |\ANSWERS |\✔✔Yes, |
by |\means |\of |\a |\manual |\disconnect |\switch |\easily |\accessible |\to |\the |
operator. "How |\must |\the |\exhaust |\system |\for |\a |\bulk |\truck, |\mix |\truck, |\or |\ANFO |\blending |\truck |\be |\installed? |\Give |\three |\factors." |- |\CORRECT |
ANSWERS |\✔✔"- |\Extended |\vertically |\above |\the |\vehicle