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SORU BANKASI Filtrele

Gaz Türbinli Motorlar / Termodinamik Hesaplamalar Soruları


Soru 1

20 ºC sıcaklığın ºF karşılığı aşağıdakilerden hangisidir?
A) 60 ºFB) 65 ºFC) 68 ºFD) 72 ºF

Soru 2

12000 kg kapasiteli kapalı havuz içerisindeki suyun sıcaklığını 5 ºC'den 20 ºC'ye çıkarmak için verilmesi gereken ısı miktarı aşağıdakilerden hangisidir? (Sabit basınçta suyun özgül ısısı cpsu=4,184 kJ/kgK)
A) 60452 kJ B) 120000 kJ
C) 404523 kJ D) 753120 kJ

Soru 3

Hacmi 25 m³ ve özgül hacmi 1,543 m³/kg olan metan gazının ağırlığı aşağıdakilerden hangisidir?
A) 16,2 kg B) 15,4 kg
C) 14,5 kg D) 13,2 kg

Soru 4

Yer çekimi ivmesi 9,3 m/sn2 olan bir yerde 800 N gelen bir kişiye, 3 m/sn2 lik bir ivme kazandırabilmek için gerekli olan kuvvet aşağıdakilerden hangisidir?
A) 240,56 N B) 258,06 N
C) 262,36 N D) 265,54 N

Soru 5

Bir motorun emme manifoldu vakumu 550 mmHg olduğu vakummetre ile ölçümünden anlaşılmıştır. Bu ölçülen değerin basınç karşılığı aşağıdakilerden hangisidir?
A) 27,92 kPa B) 25,06 kPa
C) 26,36 kPa D) 28,40 kPa

Soru 6

Isı iletim kat sayısı 204 W/mK olan alüminyum levhanın kalınlığı 0,02 m ve yüzey sıcaklıkları 90 °C ve 40 °C'dir. Levhadan geçen ısı akım 51 kW olduğuna göre levhanın yüzey alanı aşağıdakilerden hangisidir?
A) 0,2 m² B) 0,6 m²
C) 0,8 m² D) 0,1 m²

Soru 7

80 ºC sıcaklığındaki sıvı, yüzey sıcaklığı 20 ºC olan bir boru içerisinden akmaktadır. İlgili borunun yüzey alanı 2,5 m² ve boru ile akışkan arasındaki ısı transfer kat sayısı 75 W/m²K olduğuna göre ısı akımı aşağıdakilerden hangisidir?
A) 8,45 kW B) 10,26 kW
C) 11,25 kW D) 12,75 kW

Soru 8

Kütlesi 40 kg olan bir bavulu 1 m yukarı kaldırmak için yapılması gereken iş miktarı aşağıdakilerden hangisidir?
A) 0,106 kJ B) 0,203 kJ
C) 0,392 kJ D) 4,563 kJ

Soru 9

Sabit hacimde bir kaptaki sıcak sıvı soğutulurken ayrıca karıştırılmaktadır. Sıvının iç enerjisi 700 kJ'dur. Sıvıyı karıştırmak için 80 kJ harcanmaktadır. Sıvının son hâldeki iç enerjisi aşağıdakilerden hangisidir?
A) 150 kJ B) 320 kJ
C) 440 kJ D) 500 kJ

Soru 10

İç enerjisi 275 kJ/kg olan bir hava kütlesi kompresörde yüksek sıcaklık ve basınç altında sıkıştırılarak iç enerjisi 400 kJ/kg olmuştur. Havanın debisi 0,02 kg/saattir. Potansiyel ve kinetik enerji değişimleri ihmal edilerek komprösörü çalıştırabilmek için gerekli olan güç aşağıdakilerden hangisidir?
A) 4,8 kW B) 3,6 kW
C) 3,1 kW D) 2,1 kW

Soru 11

Bir ısı makinesinde gerçekleşen çevrimde, sisteme dakikada 400 kJ ısı verilmekte ve sistemden 200 kJ ısı atılmaktadır. Bu makinenin ısıl verimi aşağıdakilerden hangisidir?
A) 0,5B) 0,4C) 0,3D) 2

Soru 12

50 kW gücündeki bir otomobil motorunun ısıl verimi % 25'tir. Motorun yaktığı yakıtın ısıl değeri 44000 kJ/kg olduğuna göre motorun saatteki yakıt sarfiyatı aşağıdakilerden hangisidir?
A) 15,5 kg/sa. B) 16,4 kg/sa.
C) 17,8 kg/sa. D) 19,4 kg/sa.

Soru 13

Bir durum değişiminde 350 °K sıcaklığındaki çevre havasına 700 kJ ısı geçmektedir. Çevrenin entropi değişimi aşağıdakilerden hangisidir?
A) 1,35 kJ/K B) 1,95 kJ/K
C) 2,33 kJ/K D) 2,85 kJ/K

Soru 14

Bir miktar helyum gazı bir balona 308 °K'de doldurulduğunda balonun hacmi 25 m³ oluyor. Basıncın sabit olduğu bu ortamda sıcaklık 290 °K olduğunda balonun hacmi aşağıdakilerden hangisidir?
A) 21,25 m³ B) 22,40 m³
C) 23,54 m³ D) 24,35 m³

Soru 15

Miktarı sabit bir gazın sabit bir hacimde sıcaklığı 25 °C'den 50 °C'ye çıkarıldığında basıncı ilk basınca göre değişimi aşağıdakilerden hangisidir?
A) İki kat artar. B) Bir kat artar.
C) Yarıya düşer. D) Değişmez.

Soru 16

Bir ideal gaz karışımının 500 kPa basınç ve 40 °C sıcaklıktaki hacmi 1,5 m³ tür. Karışımın mol miktarı aşağıdakilerden hangisidir? (Ru=8,3143 kJ/kmol K)
A) 0,023 kmol B) 0,288 kmol
C) 0,476 kmol D) 0,789 kmol

Soru 17

Hacmi 1,5 m³ olan CO2 gazı sabit basınçta 1400 °K sıcaklıktan 1900 °K sıcaklığa kadar ısıtılmaktadır. Sistem verilen ısı (q1,2) aşağıdakilerden hangisidir? (Cp=0,8418 kJ/kg°K)
A) 226 kJ/kg B) 342 kJ/kg
C) 394 kJ/kg D) 421 kJ/kg

Soru 18

Bir piston silindir düzeneğinde 200 kPa basınç, 303 °K sıcaklık ve 0,5 m³ karbonmonoksit (CO) bulunan sistemin basıncı 900 kPa'ya ve sıcaklığı 800 °K'e kadar arttırılmaktadır. Sıkıştırma esnasında verilen iş 30 kJ olduğuna göre çevreye olan ısı transferi aşağıdakilerden hangisidir? (CO için cv= 0,7445kJ/kgK, R= 0,29683)
A) 324 kJ B) 412 kJ
C) 548 kJ D) 642 kJ

Soru 19

İdeal bir Otto çevriminde P1=100 kPa, T1=290 °K, P2=1300 kPa, P4=200 kPa k=1,4 olduğuna göre bu motorda sıkıştırma oranı (r) aşağıdakilerden hangisidir?
A) 6,24B) 4,12C) 5,48D) 8,42

Soru 20

İdeal bir Otto çevriminde, net iş wnet=133,1 kJ/kg ve giren ısı miktarı qg = 421,1 kJ/kg olduğuna göre bu çevrimin ısıl verimi (ηotto) aşağıdakilerden hangisidir?
A) % 39B) % 48C) % 32D) % 62
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Houston Texans.com, Comcast SportsNet and SportsTalk 980 to provide reside coverage
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ARLINGTON, Va. – The Washington Richesse Draft Day Party and uniform unveiling on Friday, June 22, at the Kettler Richesse Iceplex in Arlington, Va., will function current and former Richesse players, free skating, involved games, a locker room trip, new merchandise on sale as well as – the evening’s highlight – an amazing show to reveal the team’ohydrates new red, white and blue uniforms.
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Free tickets for the event are “sold out,” but fans can watch the consistent unveiling live on WashingtonCaps.com as well as Comcast SportsNet, which will provide live interview from Kettler Capitals Iceplex during “Buenos aires Post Live” at 5 g.m. and live protection of the unveiling during “SportsNite” from 6:30 p.meters. Immediately following the unveiling SportsTalk 980 will broadcast a one-hour show coming from Kettler Capitals Iceplex, featuring reaction to the newest uniforms and coverage with the NHL Entry Draft as the very first round unfolds in Columbus, Kansas.
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Comcast SportsNet play-by-play announcer Joe Beninati will emcee the introduction and participate in a cell discussion during the show on SportsTalk 980. Bj Sorenson from Comcast SportsNet will also be a part of the section discussion.

Fans at Kettler Capitals Iceplex will likely be treated to a variety of routines, including:
Appearances and autograph sessions together with Capitals alumni Mike Gartner along with Rod Langway – both Hall regarding Famers – as well as Yvon Labre and Kelly Callier. Visits and autographs from skipper Chris Clark and teammates Ben Clymer, Brent Manley, Brian Pothier and Jeff Schultz. Free skate boarding on the public rink (fans are encouraged to bring their skates as rentals are limited). Merchandise stands offering the initial chance to own new-look Capitals items. Interactive games both inside Kettler Richesse Iceplex and outside on the parking deck. A tour of the Capitals’ new locker area and training area. Food and beverage stations catered by Arlington restaurants The Front Page and also Rock Bottom Brewery. The chance to watch stay coverage of the first rounded of the NHL Entry Draft about giant screens in both rinks in addition to 42-inch plasma televisions on the “Draft Central” mezzanine stage.
Gartner’s visit is the first public appearance in Buenos aires, D.C., by the Capitals’ second-leading job scorer since he retired with 1998. He and the some other current and former Capitals will sign autographs and/or skate on the public rink after the homogeneous unveiling.
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The new merchandise for sale at Kettler Capitals Iceplex will include a variety of hats, long- and short-sleeved T-shirts and golfing shirts – including items manufactured for children and female fans. Your Capitals will also begin accepting pre-orders for the new uniforms. A result of the production time required to create the new Reebok EDGE Uniform System for all 30 NHL teams, nothing of he new clothing, league-wide, will be available for purchase until Sept.
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Fans who purchase a uniform from the Capitals will receive any Caps travel mug remembering the unveiling of the fresh uniforms as a give along with purchase, while supplies past. Fans not attending the actual Draft Day Party as well as uniform unveiling can find numerous preordering jerseys from the Capitals about WashingtonCaps.com beginning on Saturday, June 23.
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Doors will open up for the event at Your five:30 p.m. Fans are asked to be in his or her seats or in front of a single of the many TV screens by 6:30 p.mirielle. with the uniform unveiling starting point at approximately 6:Forty p.m.

Event Schedule

5:30 delaware.m. - Doors Available to Public

Open Skate on Blue rink
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6:Thirty p.m. - All supporters with red tickets are required to be seated in Red-colored rink seating area.

Fans with blue lotto tickets are requested to gather around monitors

6:50 p.m. - Unveiling from the new uniform

7:00 p.michael. - Live NHL Entry Draft display begins

7:30 p.m. * Locker room tours

8:00 p.m. - Alumni and Gamer autograph sessions begin

9:00 p.m. - Alumni and Gamer autograph sessions end

10:00 p.m. - Draft day Party concludes
All Times Eastern
Houston, Va. ndash; The Houston Richesse will celebrate the NFLrsquo;utes Hockey is for Everyone thirty days at their game against the Atlanta Thrashers on Friday, Feb. Five. The game kicks off a month-long motivation designed to celebrate hockeyrsquo;s advancement and diversity.
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In keeping with the gamersquo;s theme of Hockey is for Everyone, youth players by Fort Dupontrsquo;s ldquo;Kids about Icerdquo; will form the Caps A flag Tunnel and the Ice Group will be from the Montgomery Youth Dance shoes Association Under-16 Girls. During the intermission there'll be a shootout featuring players through Special Hockey Houston together with members of the Houston IceDogs, NOVA Awesome Cats, Baltimore Saints and Montgomery Cheetahs taking part. Sitting in Greenrsquo;s Gang and Ovirsquo;s Crazy 8s will be children from the Fort Dupont Cannons.
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Continuing with Handbags is for Everyone month, upon Monday, Feb. 8 secretary coach Dean Evason, forwards Alex Ovechkin and Alexander Semin and also Slapshot will visit one of the Richesse adopted D.C. Open Schools ndash; Emery Education Campus inside Northeast Houston ndash; for a Lids Hockey School visit, where they will teach the students distinct drills and donate dance shoes equipment. That night Capitals forward Brooks Laich will pay a visit to Fort Dupontrsquo;s ldquo;Learn to Playrdquo; Kids Deshaun Watson Houston Texans Jerseys Uniform system and skate with youngsters and show them some dance shoes skills. The Capitals Youngsters Hockey Department and Laich may donate helmets, pucks and branches to the program after the program. On Friday, Feb. Twenty-six the Capitals will be visiting the other adopted D.Do. Public School ndash; King Elementary School in Southeast Oregon ndash; for the second February Limits Hockey School visit. As soon as the Caps lead students in a hockey clinic they will donate a set of street hockey products.
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Following the monthrsquo;s Hockey is perfect for Everyone theme the Capitals are partnering with the Junior Womenrsquo;s Hockey League to show the third annual 2010 JWHL Problem Cup which will be held Feb. 12-15 at Kettler Capitals Iceplex. The Freshman Womenrsquo;s Hockey League will be the premier developmental league regarding prospective female collegiate people in the US and Canada. The actual league includes teams coming from across North America including Alberta, B . c ., Ontario, Manitoba, Minnesota and Massachusetts. The leaguersquo;s local group is the Houston Pride away from Rockville, Md. The Championship sport will take place at 13 a.m. on Monday, Feb. 15, at Kettler Richesse Iceplex. Admission to the tournament is free of charge and the tournament schedule is available at www.jwhl.org.
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To complete Hockey is for Everyone thirty days the Houston Capitals are generally proud to support the local high school graduation hockey state championship video games for Maryland and The state of virginia. The Northern Virginia Scholastic American football League (NVSHL) and the Maryland Scholastic Hockey League (MSHL) will host the actual ldquo;Capitals Cuprdquo; state championship competition for high school hockey. The actual Maryland Championship game will need place on Saturday, Feb. Something like 20, at 7 p.mirielle. at The Gardens Ice Home in Laurel, Md. The The state of virginia championship game will take place on Friday, Feb. 26, from 7 p.m. from Kettler Capitals Iceplex in Houston, Va. More resources for the tournaments visit the nfl websites at www.nvshl.org and www.mshl.org.
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Hockey is designed for Everyone
Hockey is for Everyone month is an initiative that runs in the course of February and celebrates hockeyrsquo;ersus growth and diversity. Hockey is designed for Everyone provides support and different programming to nonprofit junior hockey organizations across The usa that are committed to offering kids of all backgrounds the opportunity to perform hockey. Since its inception, Hockey is for Everyone has exposed more than 45,000 kids to unique hockey encounters.