GENERAL QUESTIONS AUGUST 2014 KOLKATA (REMAINING 40 QUESTION I WILL UPLOAD LATER) •
________ ________ fuel oil oil grade grade under under marine marine distill distillate ate fuel fuel mentione mentioned d in ISO ISO 8217:2005 standard has been re-assigned as __________ fuel oil grade under marine residual fuel (as er ISO 8217 : 2010 standard!
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2# ,he energ sa.ings /ith .ariable seed dri.es /ill be maimum for /hih of the follo/ing sstem# "# ure stati *#ure frition head +# high stati head and lo/ frition head $# lo/ $# lo/ stati head and high frition head # ,he 3oating ring of a shell sh ell and tube te ooler utili4es a aingring to "# re.ent "# re.ent leaage leaage ast the 3oating end tube sheet *# dissiate heat +# ba6e ooling /ater so it an be direted on a multile ass $# modied to a mier te ooler # " assenger shi must ha.e redundan of steering oeration uon single failure to the order of# "# 509 *# 759 +# 1009 he
$# none of the abo.e 5# /e no/ that iso 8217:2010 standards are used to order marine fuels on merhant .essel# ha.e ordered the marine distillate fuel as er marine standards and uon fuel oil testing it /as found foun d to onrm /ith the standards# )o/e.er hief engineer ;ust told u that u annot use it in our engine room beause the fuel is not meeting ertain safet rehen does a relief .al.e oerate on a main engine onboard# It indiates •
"bnor "bnormal mal fuel fuel su sul l to the lind linder er
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"bno "b norm rmal al fuel fuel tim timin ing g of the the l lind inder er
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"bnor "bnormal mal ehaus ehaustt teme temerat ratur ure e of the the li linde nderr
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"bnor "bnormal mal ehaus ehaustt ressu ressure re in the the li linde nderr
7# um eCien is diretl roortional roortional to "# um losses *# nsh(a! *# nsh(a! +#dnami head $# all of the abo.e 8# gagging of boiler safet .al.e is done during a#normal /oring b#ressure b#ressure testing of safet .al.e # lea of safet .al.e d# all of the abo.e D# ,em# ,em# at /hih /ater .aour in atmoshere begins to ondense
a# de/ oint tem# tem # b#ondensation tem # shometri tem d# absolute tem 10# *ilge in;etion .al.e is a# bilge um sution .al.e b# main sea /ater um sution from /ngine room # sludge um sution .al.e d# none of the abo.e 11# Eies of ross setion from 1F8 inh to 12 inh (0m! is si4ed b a# /all thiness b# nominal b# nominal inside dia # outside dia d# threaded dia 12# %S is allo/ed in a# bad /eather b# argo oeration # bunering d#none d#none of the abo.e 1# Gansion .al.e is loated bet/een 1# surging of turboharger of "#G ma be due to a# fuel sstem fault b# sa.enge manifold re # ehaust manifold re d# all the abo.e 15# hot /or ermit is re
a# engine room b# /orsho # enlosed sae d# all of the abo.e 1B# rior man entr in =H tan rst ation- gas freeing has to be done a# urging b# aerating # inerting d# /arming 17# gate .al.e should ne.er be throttled to re.ent a# eess ressure dro b# air ingress # /ire dra/ing d# all of the abo.e 18# ,=J timing# a# 8 hrs a da 0 hrs a /ee 1D# limit of taners to use onl one standard st andard steering gear /ithout 1009 redundan# a# 10 gt b# 100 d/t # 100 gt d# 10 d/t 20# .ariable seed dri.ers for aaiti.e ontrol an be /ith a# entrifugal um b# se/ um # reiroating um d# all of the abo.e
21# alaline hardness salts in boiler are __________ __________ ' _________ and _________ _________ of ________ and ________ ________ a# hdroide' a# hdroide' arbonate and biarbonate of alium and magnesium b# hloride' hoshate hoshate and arbonate arbonate of alium and and magnesium # sulhate' hoshate and arbonate of alium and magnesium d# none of the abo.e# 22# main engine =#O sum a# ne.er integrated to engine foundation b# sloed bottom # /ith non ferrous no orrosi.e metal d# /ith drain abo.e or at normal n ormal le.el 2# oil searator in refrigeration is bet/een 2# reord of testing of re ghting e
27# ran ase s/eating taes lae? a#oil arr o.er b#eansion b#eansion .F. stu oen #air in sstem d#moisture in sstem 28#ho/ /rought iron mae from ig iron? a#uddling b#blast furnae #basamer furnae d# 28#lo/est 3ash oint grade of a#$m- orret 2D#urose of steam drum a#ollet a#ollet steam b#e
#note of rotest to oman d# 2#lane arbon steel ha.ing 0#89 arbon a#austenite b#ho austenite #her austenite #/here #/here sale tra loated in refrigeration sstem? a#bF/ omressor K ondenser b#bF/ main .F. K solenoid .F. #at reei.er #loation of thermostati eansion .al.e a#*et/een ing .al.e b# bF/ solenoid .F. K e.aorator 5#/hen 5#/hen high sution ressure of ref# omressor a#dirt drer b#dirt l#o searator # d# B#l#o urier inlet tem# a#80-85 b#85-D0 #70-75 d#B0-B5 7#/hat is the roblem due to lo/ sution ressure of omressor? a#short ling 7#use of /ear ring in entrifugal F
8#reduing 8#reduing 3ame oaetlene /elding a#soften K ferrite# %ore otion donLt no/? D#/here /e harging the refrigerant in ref# sstem? a#bF/ reei.er K solenoid .F. b#bF/ solenoid K ,G.F. #bF/ ing .F. K reei.er 0#/at /e add in fuel oil for reduing its our oint- ans is anti stati elements "#detergent b#deserent #eess ressure 1#both SF motor is used /en? a# nauial miles b#12 Hm #/en ha.ing na.igation irumstanes d#arri.al K de# Mrom ort 2#iulation of /ater bF/ steam drum K /ater drum a#due to densit diNerene #good house eeing? a#re a#re ha4ard redued b#sea ollution #humanin;ur d#sa.e fresh /ater mi /ith oil #in steam /ater hammering is due to? a#ut a#ut steam in old ie b#/ater in hot ie
#steam .F. is ra oen 5#in "la S&S,G%?? "#/ater .F. oen /hen /ater ontent is more B#s/ash late te .ariable deli.er F motor? a#onstant a#onstant seed b#.ariable seed motor #for re.ersing diretion of 3o/ re.erse motor diretion d#none 7#for roer funtioning of o/s donLt ut__________in ut__________in bilge holding tan# a#air ooler /ashing desaling li
#refrigerant omes in li
b#sea /a.e roeller si4e #dead /eight tonnage d#none B1-fre
"'single e b#double e # B7#fan ur.e harateristi hange /ith a#inlet damer b#outlet damer #.ane #.ane of imeller d#none B8#(HES)! re<# of entrifugal F a#H2
*#H
+#H
d#none
BD#eofriendl refrigerant for marine en.ironment# a# 21 b# 12 +#"monia d#SO2 70#urier oil outlet transduer /or on the rinile of# of# a#oil dieletri onstant is more then /ater b#/ater b#/ater dieletri onstant is greater then oil #miture of oil /ater dieletri onstt is less omare to ure oil 71#+oer tube adding roedure a#s/aging 72#referential 72#referential tri a#blaout b#o.erload on generator 7#if fuel oil is is mi /ith lube oil /e send samle in lab for for testing# a#a'hoshorous'An b#a' b#a' mg' 4n #a' mg' d#none
