VIP 01 - POWER AND INDUSTRIAL PLANT ( THERMODYNAMICS ) INSTRUCTION: Salve or fomlarisa the onswars of the (folowing vary impertant probable prebiems. i i He a8 us fey Acasa: c maaziong D. 166 10h Coty propane at © 1.197 g/m 1.266 ep? 200 10a aed 40°C. © 10.209 0/947 hg c ) Compute the rans of 82? Pek ari BC A 1024 tym? B 1316 kg/m? 2. Find the enthalpy of Hellen Hs Insernal energy 1 200, A ation 8 23420 B Siig Determine the space weigh of ar at 760 mnt abeckte wdc hg. ‘ArounrD ore uy & ete “Hp oan gs h ill ake He ul ny Hae We H H Fl une Mag eet ey la tae iti i wel, fee ae ce vee 4p tr actions HU Hips UGH gg 265, , ee steele le esd Seek ie ttl Hl Hay ail fin i Mle ey “ 5 a az 4 int iwcit tah Usha al a: gi Be (gy 8 aa fa Hebe eel eer aa | Left Hit 1, i AE PPE todo boaVIP 01 - POWER AMD INDUSTRIAL PLANT { THERMODYWAMICS ) rower: € Gremre of & medum m 30 Wa (cas) snd 27 NCO presre 101) Way te amas draw: A 13. Determne the foroe 9 Newton ina piston of 465 ma? aes ‘wat pressure of 0.172 Ha, AEN cm BON O1nN drove: 8 ‘3, ne pon Of yale preg hag an area of 1’, The (her pion has an area Of Zc? Ita fre of 150 Nie Soted on the maser ion, wat wil be fie al free cate tnger pon both piston srfces are the same car ASN 0.2250 W © 100 8 103 D110 ‘Arawer: © 36 double purpose tank 18 fe wide, 24 fe ong and 4 fe depth ‘s ile wath water. What is the weight of water inthe tank foam: f { tre 38. Unbrown Wehume of cortainer Gas of gas of 1 vane. mor < 675m sere? 768 0? fear: B 3565 kg/m? 0. 2550 iy? ‘Arowar: 8 ‘Aa on Block wags 5 Newton and has vohume of 200 cn’. What tthe denaty ofthe Bock? A 268g cms 2504 igi? 8 250 . 1 pressure of 22.22 pala and at temperature of (007, whats the specific volume? reatery c mie & noe OR Aeower: 8 ‘The speciic gravy of mercury 13.55. What fs the speatie weight of mercury? ‘A 139k? © 12 B 129K 3 1932 rover: B ‘The equnalent weight of mass 10 kp at 2 location where ‘the actleratin of gravy i 9.77 msec. ASIN 2 MN &79N 0 S77N ‘rower: ‘A Carsportation company specializes in the shipment of Premed gaseous materials. An order is recaved from 100 mers of a partion gas at STP (ZF and 1 at). ‘What minimum volume tank is necessary to transport the ‘908 800° and made pressure of 8 aim? ‘Als mes Cates 3 mes O Dees peswer: C 100 g of water are mécad wath 150 9 of atonal (derity = 720 lyfe?) What isthe specific volume of the resubing nme “Panis tmne” ede ee Pt me TE an nen em Gn "Pam cue tue 52s Ee ATE mt et 9 mv Sc sotaete cB SSRs =, ‘A 37850 um 0.3638 cum 2 o3nscum 1.638. cum Aeswer:B the horsepower output of the turbine if the werk done by ‘semis 251 Bue, ‘A 100K». c 627% 8 20% B, 6002.7 Hp Aoser: A ‘What Is the reauting pressure when one pound of wir t 15 Pala and 200° is heated at constant volume to 800°F? A 52 pia © 15 pia B 2R6 poe D. 34paa Anmer: B ‘A ogee tire has a vue of 600 can. It bs inated wath ‘exton dade pressure of $51.43 KPa at 20 °C. How ‘many grams of CO, We contained In the tre? Rea = 0.10088 GK ASo0g © aag ay D339VIP 01 - POWER AND INDUSTRIAL PLANT ( THERMODYNAMICS } 3 6K ry 2 sammy that there are no hast effets sod no fiction effec, fd the speed of 8 3220a, cy afar fla 778 (trom rst. A Rie C24 riser 82M Ria 0. aaa nisee Anower:B 62. Whar i the ow rte trough # pipe 4 inches in ameter caring water at 8 vlocty O11 sec? 2 0.4 oom © 7.18 gpm 340.28 9pm 2, 38.18 95m ‘Anower: A (64. 11 the specic woght of 2 laud 's 585 ty per cable foot, what ate spe hee of gad cng? ‘A Ossi 0.6748 em'¥g 0.9504 em'fg 2. 10675 emg ‘Answer: D (65, What the resutiog pressure when one pound of ar 20.3 (Pig and 200 * is heat at constant volume to 800 °F? A572 pay epee 8. 7.2857 pla B12 pag ‘Arovar: C n “The tank of on ate compremsr has a volume of 3 2 2nd is (le wath air ata temperature of 40%. I! a gage on the tank fence 150 pag, wat the mann of the wr in the ‘ni "A 1.78 os 2008 8.267 bs 0.1.90 owner: A What fa the mums of acatylene ga, V=0.94 cu, ReS9.25 rere come 80.8291 0.0852 m power ‘A rerigarating system operates on the reversed Carnot Cyde. The higher temperture of the retigerant in the ‘9fam Ws 120 °F and the lower a 10 °F. The eapacty is 20 Gre Neglect lomes. Determine the coeffedent of A272 csan a2 4278 sewer D oe 20 °c ‘8300 ) < eco ‘8600003 9.75003 ‘rower: 1 the temperature of an air parcel 205 C and i oF the air wre cso Boe one dower A 'S0 ra mmple of gas is enced in ak at 22 diye Cit fe fa ws ace as Dah 20 ‘gest Cau, wou nnd the now gas vue e i te teal conta? sci a cmim cam obim seower 8 “Te Barat emcency of» Cac cye opening benween Toscana eae s domat pe com oom oa Ieower ¢ee i Fa i Fe ‘il att Py uit a Hige ui ats it i eB UE oe oe eae vl i 1 oy og a2 i tlt i i a inl ROR te il sll Ve i hy | ve if He Ae att Hilts 5 itin! in iil Ht Hy sl on ve sett “i hy “jpeg dl Ra at ay ; fe cH TPH = Hi ur ye ah = g E°se6 n i 2 HP ogg i ish HTL ap fai wie th the teal, ital fa He te en re PIE te [by gue ils 1 Hig i i Ie au fee dU aR Hi ii H ere i aod ae i t : ke i lac i ait te i da. Hl siti allts aap epee pty tag] tits] all a3 Rabb zak BEES eget tig ae pei BAe it ieee . s 3 é 5 8 é a a aVIP 01. POWER AND INDUSTRIAL PLANT ( THERMODYNAMICS ) drsenr:& 114. A rigid tank conta 20 fom of ale at 20 pain and 70, og F. More a sacked the tank ntl the pressure and temperature rise 10 35 poa and 50 cep F, Determine the amount of ar added £9 | ‘Arcee: B 115, rigid tank contains 5 eg ofan ideal gas at 4 atm and 40 deg C. Now a valve is opened, and haf of mass of = AB degC CaO deg c 18-30 deg DSS deg rower: A 116. The pressure of an automobile tre Is messured to be 200 kpa(gage) before the bip and 220 kpa(gage) ater the tip m 8 keaton where the stnosphere pressure 5 90 ipa the of the air In the te 19, ‘he temperature se In de C ofthe hem when bax ‘the ground, Aisz e253 aia cwrrg ‘oon 8 123, Corder to Carce hast engines operating ln series. ‘The fst engine receives Nest from the reservol at 2400 eg K and rejects the waste Rest to another esenolr at tampershre T. The second engine recnves heat by the frst one, convert some of i> ‘work, and rejects the rest to resect at 300 dog K: I ermal eficiencies of both engines are the sane, ‘decaine the tamperanureT, A28 dog 769 00g k B70 dag K 978 deg K dower A 124A" Comat ye operates between the temperature irs of 300 dep K and 1500 deg K, and proguces 600 EW of ret power. The rate of eeropy change of the \worting fd ring te neat aaaion process: xo ‘cos Kun Boa Kw B20 KWIK i | | c rast ow orm femme 129, Dasrmine the tempat for ch 4 thermometer San cage renenne omercty ace Oo feeding of te tongue in ogres Go wine ore & io S-i iVIP 01 - POWER AND INDUSTRIAL PLAMT ( THERMODYNAMICS ) Let 28 lis it. ne 1148 I the deny ofthe gas a 0.003 slugs per cable foot, what the speci fi ij fi bili fal bt ft f ce Hie By 4 ip He D. 53,3436 rinyser 135, An acaba tank containing ai is used to power an c. 533431640 ‘ak turtine during tees of peak power demand. The {tank has 2 volume of $00 and contains air at 1000 prawn: § 137, How many hours woud Ie take to Boll down 1. 2 Ig of water I kate Ifa conatant supply of haat at 1.25 ta he x a + fjee H Pe HH ih vs Hse Hos Be titel fll Bas leak ilial it inet; ssid By 4 italVIP 01 . POWER AND INDUSTBIAL PLANT ( THERMODYNAMICS } pecan wags 150 a coms aa 13 ier mene When th rsa erty ‘ecemary wo Uis? Asmume tat gravy bs 9.81 mye? td Oe Caray of water 1 gon © “isp rs 156. Ar an specie Peat (cp) f 1 Kg K. I 100 9 ofa ‘re heated wath 1500 W hear, wich of te fled, oon? Lo Theale heats up at aratn of 15 Ks. 1, Tea reaches a al temperature of 15000 K. < rate o {L_Theab undergoes a nonisertrope process, Al ony © Ltedm tendo Yea peaver: 157, Ia constant tempera, cosed system proces, 100 (TU of heat ts taraerred to the working fd af 100 SF, Whar the change Ia ercopy of the werng aur eer cc osax aa2s ax & os7mx deower€ 158. Ifa 1/3 horsepower pump runs for 20 minutes, what ‘she energy wad? £0.05 ers com ao2sew O oankwn newer: 159. A machine is capable of accelerating 2 1 ky mass (ave for 1 mate, The machine runs at 60 rpm. ace power up of te mace? o iw 6A. Conair 1 of alr at 17°C that panded by a reverse padre process with @ = 1.25 unl the pressure i ‘atved, Determine the Dest rater. Spectic Rest rd 165. A Comet ye 1s represented by a recangie in 2 Ts (Sayram tat operates between tenperntre his of 300 ‘Xen 650% noted wan a recange 62 alps of (masirum maj ard minor wes, represents 8 cde and operating wt the same temperoture ters. Conair that the rar mds of the ape 8 two ies tat OF ‘nor wes. Determine the thermal eficency of te cya ‘epreserted by an eps. yas a048 % dates aK dower: ® 166, tan apie is fying at an ute of 5800 fe whats the ‘opr preseure atthe sid tde? 2) 123408 147 pa 0)1324 pat Ops Aeawer: tang 9) - 16211 hg b+ 12611 a deower: 168. A cotaner led wa hem is dropped 2000 m above the press ne a1705\eme 177.05 he 177205 \Pen 6) 157207 an rower: AVERY MMPORTANT PROBLEM 02 ( VIP 02 - NEAT TRAMSFER/ICE/FBELS ) weer: 2 A.deae cyce has & cao rato of 2.5 and expansion rate (fi the cnarance ofthe Cyn, © 1 0 AS5%. (pes Rad bse hs @ mci anayaaty = 14% Oe w mocire has 8 - -O-7 0g —SSeamane ne ated te fr conga combustion on cher bas. cum 2 Si ae angen tn» compre ato 18 a 8 ‘Spree Seer a pees os owners SLR oa rsVERY IMPORTANT PRODLEM G2 | VIP 62 . NEAT TRAMSFER/ICE/FOELS ) wd be comes Pest Varah coomoet 8 Cee ah emeanty of 095. AO mes C1981 was aa Dea woe 8 2, Waser Roar a pan on 2 ve a wn Heel Curry 10 ‘moves of bang Ea chearved Wat NO grams of water (as evapretad. Than te rem of est Wranwfer to the water ‘aatecn of We teem of a pan «108 dog C, deren (Oa temparune of We saace of the bam ofthe en. ‘ASS Gag C RUS age ‘hex a must be Saeed > the sine cancer Cat seremned sconce pee. 163 wer CIT Oe anbient ar outce te vec tet a 13 ong G cae Yee magrmde of he conshive, at Row watt Borg he Rapp om, ‘Agia cou a. omer: A ‘acne Gus ose coneis of 2 heel of My and 6 KCL of (Coy The mane ton of CO 3 8 ne t He bit HE get i Hu i # ii teal ili N:VERY LMPORTANT PROBLEM 02 ( VIP 02 - BEAT TRAMSFER/ICE/FUELS ) 4S. The had ot han te rata: CHOW Ne 2 Hee Om Sa LWA (ce a, wha the acl aor of wr rence to bur (he hat ow? ATL eg C1407 palin Sew AGS 0 1A07 ips, emer: o Teter seer ope tym ter Seo oenereeee” Srounosmnns sae =e tas ieee iat Siocon tfChet oa ares oon stent. "many a ee ee ‘evieonmert, and the masses are m, = 0.40Kg for the sab Se pearepeienian mote ne wee oe TES inno 6,-0.2 teaig Ctr am x wat © Sm & iw o mone som: b 16. Claas the crerpy taraer ete aco 2 6° val of (eer nah a temperstire Gren acs te ai of 5D SC The rma cocky of Petre 5 BTU Fie tim temper of eae. A La woe © sown! 8 swine Dowie seowerC 50. Arne has beck mas 15 mires tick. On cold ‘arte Gay, the taper of te ner ane oct faces 2 Oe wale re mensured are found to be 2) °C and 12 [S repecovey. Tl tere le 120 oF of extnir vl space, 278 te comma condcthay of bres ts O71 Wma ‘ow much heat es ecg te wal per our? a 1m) c ase a usa 0 asm rower: D 51. In an ar standard Oxo cy, the clearance volume is 12 % ‘of the Gapcerent voume. Whats the Urermal econ? 57% erty nae oa% Araeer: a zeton ©255an &.2660n 42220" Ty ‘53. A core coat has the foaming uimate araiyta by weigh CHO NAS Mane = 8% NOE HS ‘Wy Sut = 7%, 0 = 4% Cabcatate the Figher heating vein re, 0 gum 388 3am mune oo SS ann ae in ner Teme caman 3omes | 3amey pam sx, Cheoes va erry vate om ac 6 at feck Sit cerowsare arrecsscroaof 50 ee ee Trocnay oe beast mae, Saowree 3 mare Jeswie Semen ‘rat spe rey of aha 2 ne we 27 bane * Soe 90s Doses ‘Soses sooner: 8 57. A ssa gareratcr brs Aad fl with 25% exes a Fu may De rpresertns by Cotte. Came the aca Nl = pe a 26 °C and ects at 6 °C What is the loy-mean ates (TOY vane ane ene 206°C rover: 159, Determine the equvetence rato ofthe folowing mare: 4 (rene of butane, Cit and 75 gras of. don gos bos 0m seaver:D - 2, The combnation gases of 2 frvace we seperatd fom ks smrvaneng or aise a wich is 29°C The Bick wal 150 mom and fas & thermal conductivity of 123 Wier van 2 safe enmity Of O81. The ose suface Uanparsare Of the wall 150 °C and wah surfce ar ‘cnacince Of 15 Wim. For stacy a concios, ‘ee et a nat 9 arc et 3 pnw onvw 07K ora deo: A (NOTE: STUDY PROBLEMS AND ELEMENTS IN POWER. PLANT ENG6 AVAILABLE IN THE OFFICE.VERY IMPORTA TANT PROBLEM 03 ( VIP 63 - FLBID MECH/MACHINERIES } 7 aes? Wey . HE eat ae k ale i Ho o& ab aiks a2 eal hee fe bas | i] the ia i ee nos aed be al he i iH Ea elt. tlie 2 today sii Ht ul lt. idl Hh i fi SHES ils HES] we Hilsg an jis. 4 al Heal rl Hel a Gee aH > + peek i tes ide 22 Hy | i Hil! 3] r ke zz 7" ; Le a3 i iz i B ‘| a i m FH Ba i ge il i it 5 af 3 Hi 33 3252 4 3 il a R 2: liye seh ® i le a la ia he uw Hess WME Hl i] Wilue Hi FH itt) my EL ok ip ju f Tn aL DB it aj Hee ee tiles, Ht i Ee ss SHEET GEL ib Hie iiiewe speed of 1450 rpm. What i somatic peed of te pure? a 0 aun sown: 0 ie. fil piel ini! ils apes sh nt ‘i re ae 8 de ti il ti i til Re H vid i VERY LMPORTANT PROBLEM 03 ( VIP 03 - FLUID MECH/MACHINERIES ) (emperature ertrance terparatre cas.2se banasc ‘CoRseK DseseK ran Grosse Grane urpenere. Azan aste east ase NemnC w com. 23, Ar own trough « nace at spend of 350 mys. Fn 24. Carton classe fone trough @ norte with speed of i ss isl 8 i u if ef ie . Htas. i ttt an. 4 intl wil willVERY IMPORTANT PROBLEM 03 ( VIP 63 - FLBID MECH/MACHINERIES ) i ily thi \ i # ila ih 8% kz u Hi fue HEP H diy a a oe bel Nise je i 22, ge< Be 2 3 Hse He tay | lt Fail € & # x GUbitie bt waa PEG tae bs. ue tiiy es ib 4 3 wii; @ th : wy LL a ig et i ie al iit afotasd Hes nel : EnHEL ti i Hh a] ite @ —- $VERY LMPORTANT PROBLEM 03 ( VIP 03 - FLUID MECH/MACHINERIES } He HEL UH wo # a § BE % ake Bos § +1 3 I ze de ily aU ‘igh HE he Is | ’ es 4 i gous es | Hi wir’ rs he Me a j : i ! a ut i q Hf Eh Hl ittn. daiey He it i pide } ie a j ie he edd try wel Me) # Hil Hi Hest] i il i si S 3 é nyt i ola i i [ 4 ity tli 5 il ae a | fii) HUE els lucia et dl del ail see ie Be” VE tides i Posy oie ddl ol, Het il BH gue 1 eh He Ula: ttt Hee « eu Hida avis) Uheteel ne ffl rl ii if sie & s 3VERY IMPORTANT PROBLEM 03 ( VIP 03 - FLUID MECH/MACHINERIES ) 73. ‘Find the lon of hand in the pipe extrance I speed of ow ts byaa3He roms, some h ‘510m c174m 91, A standard 25mm outside dametar stl bbe (wth wal thks of 1.65 men) i caring 0.34 ips of of. Determine the valcty of ow of ol inde the ube. 11 918 fem yt be 161 foe rower 92. Wf the veloc of charge fom a fre hose ts 15 ms and (ha Rose ls crertad <5" rom tha hertortal. Oeragerdng 1b) 24 minutes 28 rinse dower 8 94. A. pump Galvering 230 Ips of water whose sbachte Ctotanty 18 0.0114 polse nas a 300 mmm dameter suction sponse gone Somme donee hover: NOTE: STUDY PROBLEMS AND TERMS AVAILABLE IN ‘THE OFFICE.VERY IMPORTANT PROBLEM 04 (VIP 04 - REF/AIRCON } 1. The reheat vane flow rate at the entrance of Corprencr were obtained ftom a test on a twn efinde, Sing acing 15 em x 20 cn, 320 rpm compressor ammonia ‘ettoertng& place to be 39 YS, Determine the veumert Stamey ofthe compresor. a 87K deower: 8 Commun the urky ral ofa 3 70% relative uaniy 2 ATC wen the taromante presnre fs 101.25 178 ‘from stanen tables. Peau vec = 3.169 Kos A. 0.014 ig watar vapor ry ar 0.14 eg water vaporeg ry ar Cag water vapor? ry ir 1.0014 ig water vapor ry ale ower: 3. Comput the wr ow In f2/nin of mechanical vert feqore! to estat an accuadaton of refigerat dus fans of the aystem capable of reveling ar from the (racine room fora as Of 4 reigerar. mo ©Z0 976TR D. 565% 4 il at on EF on ie gf qf gE ab gs #4 (aa of water removal inthe drying chamber? ATG Pes = 7275 a SB Wg = 58S Chg oats coe oats Dassigs dewwer: 8 16 Comput the mec vokane of an avepor mare ‘ise meus re lnm of yar wean Ce foley Ccockion preval $0= 40% w= O15 Kg, and B= iin. rece, omy cam aie 5. oa: seme 17. Comps Oe haniy rao of ae aDcwdsaie ange er KO Reto © 035 telion Roig /iee 5 oss 1. 1 Se rca GP 50, oe nt ten oF enter cosererm a zaasrerm Bose 19, sn evaporator has 2 wnperaure of 3 wh the entrance isa cuss Riser ain a a ome has a, theres pston venet compen splacement of 6.04 m/s. The refrigerant enters the ‘compressor with 1 deraity of 16 bg/m? The enthalpy of the nS Na ron te eo ‘What ls the refrigerating capacty of the system? ce cue a2 OTR ‘ALLSTR coum ansm rest oer. B 22. Cares rfigration sytam operates 8 Tow Tox = 1:5. Fd the KW parton of reigertion. Ais cs e215 Duss 32 Bite f eating en to cool rung ‘water rom S/F to PY. Baved n the irae cll ar, U = ‘Ag0 Gem CoG 20216" One GM over: C 24 a ecevhen sing 150 pal be wera a (7 cry bulb anc °F wat bulb temperature whan cco ‘rt a °F ery be and 75 Ft as Sefer Dat ed 110,000 Baur nd supply air i at OOF, Setrmine teVENT LmMPORTANT PROGLEM 64 (VIP 04 - REF/AIECOM } Wid I itt - ii 4 il iH a iiad +H oga dees ge ili” fi mil I. ayieli ir i iil " il ; i, fl i wate de bi Ht i it weil Ut i pall! ii lig iit pes hi init wat ie tay had a i iit ill HH aaa let Hh iil aah ll is i a Hebe iis Phin iii Heyl: ORE att ial 7 H iis i i i [il at ie i a ia i vag | i [oi Gat kal ea el Salita lle ‘tlle cle il i i ied ne pike ane % ; HH a i «ag i tl ae tilt Pel fe = oh aE it i Me Hite ii i Hil He Fe if Ht i fal (Eley B di ili i i i lati ii iy . ial: ie ikl gail ili! ine sith nln HiVERY IMPORTANT PROBLEM 04 (VIP 04 - REF/AIRCOW ) tt gs aug vy ote sep i ti Hi it fe rt hag ul ie Hes hes i ahaDt af os i { £ oe aR yes afigee B BR se a I vat aah | ian 4 is il a il in Ie ae lll bras guag 0 F i i stage es fb, of ha i et Hi cit Hal if nie bi bi a ee WWE Gz bit Wt ine, Gl tat ip ited vali diy oot il iF bait ele il ‘EEA cle EB iil