Lab reports for first year, Lab Reports of Engineering

Download Lab reports for first year and more Lab Reports Engineering in PDF only on Docsity! rds SS EG book December 2014 pions this SECHON are NOL arranged in the wsti | " Order ; . ‘ ‘ | | “ “ which they appeare tin hil the d lable the center lathe machine ‘ed to provide a 220-240 vy a sired Tis of six componente ange POweE System (o one of the uke? Nd materials Tequired. D pe classrooms in the cof cach one. VO Nol give quantities and state is ree I siege: M | { : purpes t yume any three alternate sources of non-conventional energy \ pabel he diagram shown below EEG, what are the functions of B, D, ed PYC- covered ( c sel wire armholes ne gl core PVC insulated steel W ~ OKeth apd tully label a single - NE SY AIPYCY cable ro ~ di a STOW b AM BE rshown in jagram bel bel the -tean boiler shown 1 the diag | 6a. Labe c M | | | ur uses OLS onerated from « steam boiler four uses of steam penera :d from a v fo 3 ‘ b. Sugs : ‘ tUNB in the mice. 2 ration by pu — follows a cycle. Complete the cycle of refrige g 7, Refrigeration follows a : or appropriate | terms. ren eston meanwhile th the or. inal ques r rei r estion is referenced to th 1S Nota Bene: this particular ques S af , 2 2 ined ver. nh, exact content could not be obtained verbau i e diagram . 8. a. Label the diagram of an air compressor shown in th g o b. Suggest four uses of compressed air i 5 | 9. Label the diagram of an Oxy- acetylene cutting system. 10. What machine tool is best suited for producing cach of the following. a. gear teeth b. extemal keyway c. Internal keyway d. multiple holes in a flat plate ©. smooth flat surface £ one million bolts g. thread on a short shaft i Insert the MISSing words in the following Generally common law duty can be divided into fox Ur specific 8roups as follows: | : Mhe duty to provide 2. The duty to Provide Proper plant VThe duty ta | , “and o AN yyy ‘etain SATO gue ee 4 ate Syste . ti Sten Mhe duty uy OP MU skiiled) cr ee employ Compete euons of the parts labelled in ta puck holds the piece of work to be worked Ked on pol is fixed in the tool post je head stock provides housing for u he moving g mech ihe tail stock supports the work and itis also y 4 anism also used for drilli nlling < ed gives support to the head st holes e : ad stock, tail stock > s and the carriage armiage gear levers control the s 7 a speed of the chuck yomilling head Spindle Table | Saddle Knee Column Ram The column supports the radial arm The radial arm supports the saddle allows the saddle to rest on it spindtehotds and-drives the tool rhe work prece 1S clamped on the table sand funebers 8 the parts of the steam boiler Combustion chamber: 1 aids in the combustion of the fel fis Pressure gauge fr indicates the amount of steain in the chamber atve It controls the pressure of the steam 4. Mtain st vale [i prevents explosion _ Vater gauss cantrol Panel Water Gauge a. over arm b. \ F saddle c Head hn . d G_ kacel é. Table © arbour H Base f workpiece y saddle wotlk pace h knee! hie 3 Horizont milling machine Pied Verteal oiling machine 5 wear teeth Universal millinng machine achine bo external key way... Universal milling mach . ; achine ce internal keyway...... universal milling machi ath illing machine d multiple holes in a flat plate........Radial drilling urface grinding machine e. smooth flat surface.. {thread on a short shaft ........lathe machine 6. 1.Piston ui. Valves ii. Cylinder head iv. Rings 7. uses of compressed air I for inflating tyres n. for hovering it. for spraying . iv. for_breaking-smechanisms-in big trucks , 8. Differences between a Diesel Engine and a Petrol Engine [. Petrol uses spark plug but diesel does not H. ii, IV. 9 Six upplications of solar ener: Vv [solar energy is used to power traffic light u Itty used to power industrial steam boilers mn Ttts used to power street hehts mw Tis used to power calculators Vv Ttis used Co power satelites vi itis used fo power communication systems 10a. oN wburizing flame ¢ rises { t Bik omMprises mure acete lynne and te € a SS OXYgen Hoa bo Ap oxidiza Ve Tame ¢ ne a COMPrises More gy OXY¥LCN and lece YSC0 and less acety Ss Ylene ponents and their purpose Powe jap the energy from the sun meg control the energy discharge of 1h oe the enerey generated — the b “change the DC to AC atlery \ ptt to he ro open and close the circuit alternate sources of non-conventional > ‘ cre ergy gy yp cner ey CLELE power ree yale eT ohetl lt cle se types of fire extinguishers jd ee gioxide fire extinguishers i re rewrachloride fire extinguishers rtet fire extinguishet ‘ fire extinguisher pry chemica! g foam type fire extinguisher |p arge fis Functions of the parts of the automobile , |yniion oil It transforms low voltage to high voltage to creat park in age to ale a spe i f a spark in the spark | plug. ——— , ob Cy hat = nets » reciproeatl % . . be Crankshat th Cony ets the reciprocating linear motion of the pistion into a rotational . « a a | mouien |e Radutor i helps to remove excess heat from the engine Pp . ‘ . 2 Piston ins > Te seals the combustion chamber to prevent the transter of gases piston to the cylinder wall | ! Caburreto: lh Pas Piston le supports heat transfer from the (Fliwheel tor the 5 ehicle | \ltem: . coop Mater TeKeeps the battery charged to provide pow \ Balers Tiris past question bs compiled and brought to you by Kp ; sonal diseases 14 Ways of prevengng. occupational disease lipment 1 Wearing contaminant control eqt / val f the contaminant i. Local ventilation of the source 0 ii, Natural ventilation iv. Wearing personal respiratory equipment 14. Advantages of automatic sprinkles |. They begin to operate even before the fire starts and prevents the fire from becoming dangerous ii. They are always ready to start operation uli, They prevent waste of water, they only activ lv. They operate where fire fighters cannot enter ate when needed 15 16. Refer to December 2010 question 23 !7.Reter to December 2010 question 12 18. Refer to December 2010 question 9 19 automobile chasi Clutch Propeller Rear axle or . f shaft, differential unt mimi Degu i yun 1 i side C85 MEN er membe r Petrol tank . hon Automobile chasis to December 2010 Numi Wer ys 21. Refer rity December 2010 q Yestion x t QT TOr < v z B ¢ ge | op Ww x | 528 .oB ire | © go L ot 6 g) of L 2 | rp Compound rest t nit enuck) ; twit Srer Heodstock assemb y co feed Longitudinal transvers€ ten oe {/ Wam\ tC MN ~~ WHA jazqers FRU yybu / pum 1Y61¥ — WAY RAN . “ase nuee aiiA —_____ 4 PART HH SURVEYING , 1c LA 2B3.D 4.5C6 7€8%D9. 10.B 12 13.1. Y- level ii, Dumpy level iit. Modern, tilting level iv. Automatic level 14, 5. Field work consists of :taking measurement/ reading , collecting engineering dat @ and testing material !6. Office work consists of : analyzing and computing field data 17, '8. Flaws in the tape, incorrect reading , inconsistent pull of the tape 19. MagFetic declination, incorrect reading , faulty instrament sil materi is co s compiled ed and broy leht ght to yout by Hy ab kK BS S ¢ yh o Lid ap 2010 we on swe ALL UESTIONS I | y00K, RE OWED PARTS 1,1 OIECHANICAL) U& MSEP EPARAT ELY ppropriate name of th e machine tool 0 shown j nin Fi igure | hea he la e bel of the parts indicate ar 1 a f t d ted. (15m ks) c pmplete t oe O548O08O39 LAID FU AY ae we ie fioure id arts as labelled in figure | i b Briehy state the funcaons of any erght parts as CS amas) i ae b ma he repr rervneen sath reer hs | } un | W it \ ) Mi eseecccesseeeeneceneneens Vu VU ese ttetenetsesssscssatsessessarseversenes Qi Write the appropriate name of the machine tool shown in Figure 2 and complete the parts indicated ~ Steir ur parts thal are common to air SOMPressorg and ou ast | automobile engines gd? BH antisites. fee ft rte eenieesee, Ve. sesstesessee | four Uses of compressed air ( 4 marks) wes est four differences between a Diesel En + Sugge gine and a Petrol engine (4 marks) ox (3 marks) sin the box ( n and label a carburizing flame" W0a. Sketch and fa (2marks) bb A carounzing flame comprises and yur DUFTAGAY Caras ( and oth e “ all VO - "gift Hub. KB.S Co. Lid "Sifts cards ) from ovide 220 - 240 volts solar ower § omponents and atertale er system to one of t $ required. Do not gives classrooms in the e quantities a Sand state eg toP 2 ist af me ne. (12 mar KS) Purpose 1 energy (6 marks) ls Name any three alten ate sources on non-conventiona extinguishers (5 marks) (i Gstany tive types of hire 1S. State one function of vach of the following in the ‘oeniton coi, b Condenser crankshaft 0 Lh ypudpeon pin © Radiator... ~ f Carburetor automobile (32 marks) 1. Flywheel J. Alternator .. k. Battery ! Gearbox Mm Propeller Shalt es nemecenee o Clutch Po Can shart  \ \ | | | | | / / oT oe S ye tee core exible cable and fully label it in the space provided stating the colour atk) _ ——— ee _ ee \ | t. | a —— eee / Yo ee ee in che operauion 1Vhrow tech ) Expla Voghe Pole Doube tile Pole Single phrow 8! ch thes the spaces PFO* ded sol elect!  IN amps being controlled by 2 switches in the Spite aCe >> Draw the wiring diagram of two 1 provided (5 marks) | \ \ \. NN t °3 babel the dia ak f e diagran in Figure 7 for an oxy-aeetel B 7 an Oxy-aeetelyn ¢ sys ry yrdeetelyn cutting system (S marks) | / : 1 ih Figure 7 SCL Gas weld Gas welding set sur exercise books with Hub KB. alle WV Sand Ler, eo |" to choose from SE Sap fe COVED py he wiring d agra of a solar Home SYStem (SHS) Ngure ¢ below by oy | mi ei erminals. (10 marks) ey I "ning x | | Solar Controller | - Ke So eaten | pv Solar Bat Load Battery ee OO ar Home System = 2 lights Solar 7 {ule of 2 of | mod 2 avraim | Figure & Wiring Diagt - : J : 4 Sketch the following i s+ 3 marks «/) sA5 (50 ! Micrometer reading 50- 6 Which of the following statements are correct? | e same line ata change point | boresivhtand Back siphtare recorded on the same line ata c yey i Poresiphtus the first reading at a setup ©, Ghaun Fhe mean seal level at Tema is the datum used in Ghani mm a banda onty baand in only earand ntonly do tani only ce. None of the above 7. Lstablished points in survey are referenced 0 aS... a. Grid b. Pegs ¢. Benchmarks d. Layout ce. Boundary S. Ia which of the four quadrants of a circle would an angle containing | a. First b. Second c. Third d. Fourth cv. None of the above 9 Nn actual error in baseline measurements is defined as oo. «An amount which is mathematically computed to be error of a single measurement b. The actual error is the amount of deviation of each measurement from the mean of all measurements. c. The amount of error which occurs when taping over land of highly contrasting relief ec. None of the above 10. Ranging in distance measurement is «nother name of taping boo process of establishing intermediate points ona line ce putting the ranging rod on the hill top for reciprocal Measurements + Vhs « Pe C ~ 7 ps 2 ' Pas . «The amount of error which occurs when taping over land of highly contrasting relief Sone ofthe above HE Accuracy is aterm whieh Indicates the deurce of conformity of @ Measurement to ils dost probable value bomean value ue value landard value Sone of the above Hub RBS produces family addy . Calende, Sap POS ant il be the result yal wh. angle when you SUbIracy fron, awarded the contr any’ has been eee instrume: company try. What typ su country. yey the €¢ jan cd out ACL to oblain Mstthe aqy Coord MS Will you USe and q Males OF alls Ne Measureme ffice work, rk and o Ives field wo 1 invo eying yrs « ft . ists O id work Cons . pie \ jromtice work € ; on a -— e nstrument erated by the ins ation genera f collimatio the line or plane o Pleveling, : ss ofle rinciples ey the pr ude 1 vicudes WHA sistance 38 “irst Semester, 2006 Bse. ( Engineering ) First Semester, -(E L T &1V WH, ur &l RALL QUESTIONS In PARTS i, INSIWER ALL Sas VO BOOKS ARE ALLOWED PARTI Ee Su lerin tig. | \ he steam boi is sated on t | tines of the parts A- Ff indic / names | Write down the Fig. Steam boiler - Use the following list to match the numbers | Apron 4. Feed Selector Chap pan i against the alphabets in fig? 2. Split Nut Control 3. Clutch 5. Hand wheel SC hos She 10. Headstock Assemble 1. Toot Post 13 Spindte with chuck M4 Tail Stock Assembly 16 bead Serew i Carriage ID Doge centre MY Ongitudin al and Travers u 6. Spindle Speed Selector 2 ¢ OMpound Rest 12. Guide Ways 'S. Feeg Rod ( Screw) IS. Bea Feed control ee ccc Dic vou Anion heat Tul KB S destuns an ! prints stickers ketch the following sk < * pieromelter reading 50.545 : yvernier calliper reading 50.45 b . . Slip guage for an angle of4s degrees ce : Lable the diagram in Fig 6 for an oxyfuel cutting system 1 srovide 220-240 volt solar power to one of He Ok ' ak -_ in . mein th ‘f culty Make a list of the components and materia swims in the faculty. Mé vd. Do not give quantines Wo iV ES State any StS applicauon ° 19. Sketch an automobile chassis and label an 20. State one function for each of the followin f. battery......- g.carburetor.. h.piston radiator J. Pishion rings Solar enerey y four parts g in the automobile 21 Sugyvest four differences between a diesel engine and a petrol engine g 22 How would you specify a. Lather machine b Milling machine C Radial Drilling machine a. shaper