JUNE 2018 Level 2 Technical Certificate in Land-Based Engineering Level 2 Land-Based Engineering Theory Exam

Transcription

1 * * JUNE 2018 Level 2 Tehnil Certifite in Ln-Bse Engineering Level 2 Ln-Bse Engineering Theory Exm Friy 22 June :30 11:30 You shoul hve the following for this exmintion multiple-hoie nswer sheet pen with lk or lue ink This question pper is the property of the City n Guils of Lonon Institute n is to e returne fter the exmintion. Re the following notes efore you nswer ny questions You must use pen with lk or lue ink to omplete ll prts of the nswer sheet. Chek tht you hve the orret nswer sheet for the exmintion. Chek tht your nme n nite etils re printe orretly t the top of your nswer sheet. Inform the invigiltor if your nme or exmintion etils re not orret. Eh question shows four possile nswers (lettere,, n ); only one is orret. Deie whih one is orret n mrk your nswer on the nswer sheet with your pen. For exmple if you eie is orret, mrk your nswer like this If you wnt to hnge your nswer, nel your first hoie y filling in the nel ox elow the irle like this Then mrk the nswer whih you hve now eie is orret. For exmple if you now eie is orret, mrk your nswer like this Any other mrks on the form my invlite some of your nswers. Any lultions or rough working n e one on the question pper. Attempt ll questions. If you fin question iffiult, leve it n return to it lter. This pper ontins 50 questions. Answer them using the oxes numere 1 to 50 on the nswer sheet. The City n Guils of Lonon Institute 2018 ST J1 PO

2 1 Whih one of the following is n vntge of four wheel rive system? Lrger turning irle. Smller turning irle. Continuous rive to ll wheels. Continuous rive to front wheels. 2 Whih one of the following is min type of tyre tht is use in the ln se inustry? Turf. Ril. Winter. Regroove. 3 Whih one of the following shoul e use to egrese erings from ln se trnsmissions? 6 Wht is the orret proeure for heking the rolling torque on n xle swivel housing? Fit the swivel pins n hek with spring lne. Fit the swivel pins then tighten the wheel nuts. Remove the wheel n then hek the swivel pins. Remove the swivel pins n hek with spring lne. 7 If single plte luth is experiening slipping when riving, wht is the most likely use? Worn frition is. Worn relese ering. Worn mping springs. Worn mehnil linkge. Grese proof pper. A power wsher. Lint free loths. A prts wsher. Figure 1 4 Whih one of the following items is shown in Figure 1? Wishone. PTO shft. Top link. Drg link. 5 A trtor with mehnil trnsmission keeps jumping out of ger. Whih one of the following is most likely to e possile fult? Figure 2 8 Wht type of engine is shown in Figure 2? A four stroke iesel engine. A two stroke iesel engine. A four stroke petrol engine. A two stroke petrol engine. The seletor lever is roken. Worn interlok on seletor ril. The output shft hs snppe. Worn etent on seletor ril. 2

3 12 Mximum ompression in the omustion hmer ours when the piston is t ottom e entre on the exhust stroke t top e entre on the inlet stroke. Figure 3 9 Wht is the purpose of the items in Figure 3? To sel the omustion hmer. To sel the exhust port. To sel the vlve stems. To sel the inlet port. 10 One of the purposes of n engine oil pump is to mesure the mount of oil in n engine ensure the engine oil is the orret gre ensure tht the engine oil remins in the sump rete flow of oil to ll internl engine prts. 11 A four yliner, four stroke in-line engine hs firing orer of 1, 3, 4, 2. Sttement 1 If yliner numer 3 is on the power stroke then yliner numer 2 will e on the exhust stroke. Sttement 2 If yliner numer 3 is on the power stroke then yliner numer 2 will e on the inution stroke. Whih one of the following is orret for the sttements ove? Sttement 1 Sttement 2 Flse Flse Flse Flse 13 How oes n externl Exhust Gs Reirultion system, fitte to n engine, operte? By lever on the rnkshft. By loe fitte to the ir intke. By llowing ir into the exhust outlet. By llowing exhust gsses into the ir inlet. 14 A lm sensor helps to ontrol emission y monitoring the CO in the exhust gsses CO 2 in the exhust gsses NO x in the exhust gsses O 2 levels in the exhust gs. 15 Whih one of the following is the most likely fult if n engine ooling system is not rehing norml working temperture? The thermostt is stuk lose. The thermostt is stuk open. The oolnt level is too high. The wter pump hs file. 16 The purpose of the oil filter ypss is to llow unfiltere oil to ypss the filter filtere oil to ypss the filter the engine to run without oil the oil to e hnge esily. 17 Whih one of the following preutions shoul e tken prior to working with vehile eletris? Disonnet the ttery. Remove ll the fuses. Remove ll the relys. Chek ll onnetors. 3 See next pge

4 Figure 6 21 Wht is the symol shown in Figure 6? Figure 4 18 Wht type of iruit is shown in Figure 4? Series. Prllel. Open. Close. 19 Whih unit of mesure is use for eletril resistne? Volts. Amps. Wtts. Ohms. A ttery. A light ul. A onnetor. A pitor. 22 Wht is ment y short iruit in reltion to vehile eletris? When there is rek in the iruit. When there is high voltge rop in the iruit. When urrent tkes the intene pth of high resistne. When urrent tkes n unintene pth of lest resistne. 23 Whih one of the following omponents trnsfers urrent to the strter motor winings? Rely. Solenoi. Ignition rrel. Contt reker. 24 Whih one of the following is the most likely use of vehile fuse lowing frequently? An open iruit. A short iruit. A fulty regultor. A high resistne. 25 If n mmeter is onnete ross the terminls of ttery, wht will hppen? Figure 5 20 In Figure 5, wht is the meter set to re? The fuse insie the mmeter will low. It will re 12 V if the ttery is fully hrge. It will re 25 A if the ttery is fully hrge. The mmeter will re overlo. Volts AC. Volts DC. Amps. Ohms. 4

5 26 How is pressure in hyruli iruit generte? By inresing the oil level. By opening restrition. By inresing the flow. By restriting the flow. 27 Wht is the purpose of hyruli pump? To rete flow. To inrese het. To erese het. To rete pressure. 28 After removing hyruli pipe from hyruli system, lwys ensure tht the mhine n pipe re oth ppe mhine n pipe re put in sfe ple pipe remove remins with the mhine originl pipe is fitte k on the mhine. 31 A ustomer reports hyruli lek on their mhine. Sttement 1 The tehniin opertes the mhine refully n sfely euse it is importnt to verify the fult. Sttement 2 The tehniin opertes the mhine in orer to fin the hyruli lek. Whih one of the following is orret for the sttements ove? Sttement 1 Sttement 2 Flse Flse Flse Flse 32 After onuting pressure test of the spool vlves on trtor, the pressure is foun to e elow mnufturer s speifition. Wht is the most likely use? Figure 7 29 Wht is the hyruli symol shown in Figure 7? Open entre pressure relief vlve. Close entre pressure relief vlve. Open entre iretionl ontrol vlve. Close entre iretionl ontrol vlve. 30 Wht is the min nger of hyruli oil injetion into the loostrem? It my use rething prolems. It my use ermtitis. It n use n infetion. It n use eth. Corretly juste pressure relief vlve. Inorretly juste pressure relief vlve. Inorret hyruli oil type. Low hyruli oil level. 33 On trtor with worn hyruli pump, whih one of the following symptoms woul the trtor isply? Three point linkge slow to rise. Three point linkge fst when rising. High hyruli oil temperture when rising. Low hyruli oil temperture when rising. 34 Whih one of the following sfety heks must e rrie out efore tking mhine onto the highwy? Chek tht ll oil, fuel n filter levels re orret. Chek the power tke off is swithe on. Chek the hyruli spool vlves for orret opertion. Chek ll the lights re funtioning orretly. 5 See next pge

6 35 Whih of the following mintenne heks shoul e onute prior to strting mhine? Chek engine oil, oolnt, hyruli oil n fuel level. Chek engine oil, ttery level, lterntor elt tension. Chek oolnt, lterntor elt tension n ttery level. Chek hyruli oil, fuel level n lterntor elt tension. Figure Wht is the piee of equipment shown in Figure 10? Figure 8 36 Wht oes the wrning symol in Figure 8 represent? Bttery wrning. Engine oil level. Brke wrning. Tyre pressures. A plough. A see rill. A power hrrow. A fertiliser spreer. 39 Sttement 1 Prior to the strt of the seson the opertor shoul hek the fertiliser spreer for mge n wer. Sttement 2 At the en of the seson the opertor shoul ensure the fertiliser spreer is lirte. Whih one of the following is orret for the sttements ove? Figure 9 37 Wht oes the wrning symol in Figure 9 represent? Coolnt temperture. Engine oil pressure. Engine oil level. Fuel level. Sttement 1 Sttement 2 Flse Flse Flse Flse 40 The orret sequene for tthing the three point linkge when looking from the rer of the trtor is top link, PTO, right link left link, right link, top link PTO, left link, right link left link, top link, right link. 6

7 To nswer questions you must refer to Senrio 1. Senrio 1: A ustomer hs notie tht their trtor is own on power n hs ske tht the tehniin n investigte the fult t the sme time of ompleting n nnul servie. 41 Before ompleting the tsks s requeste y the ustomer, the tehniin shoul To nswer questions you must refer to Senrio 2. Senrio 2: A ustomer hs reporte to the tehniin tht their trtor will not strt ue to n eletril issue. They lso suspet tht wheel ering is out of justment s it juers when it rives. 45 Wht is the orret orer of tsks to omplete the justment in the senrio? hek tht they hve ll of the equipment require to omplete the tsk hek tht the orret sensors re in stok hek if the trtor n e kept in the workshop overnight hek tht they hve the orret speifition of tyres in stok. 1 Remove wheels 2 Remove hu p 3 Refit new split pin 4 Ple on xle stns 5 Pre lo the ering 6 Reuil in reverse 7 Remove split pin 42 Whih two of the following omponents on the trtor will nee to e reple? 1 Fuel filter. 2 Oil filter. 3 Cmshft sensor. 4 Fuel pressure sensor. 2, 3, 6, 1, 4, 5, 7 4, 1, 2, 7, 5, 3, 6 3, 7, 1, 2, 5, 6, 4 5, 6, 2, 4, 3, 7, 1 46 Wht tool shoul e use to ensure the orret size ering is fitte? 1 n 2 2 n 3 3 n 1 4 n 3 Feeler guge. Mirometer. Vernier liper. Dil test initor. 43 Whih one of the following is the first test tht shoul e rrie out in orer to onfirm the fult on the trtor? A yliner lek test. A ompression test. A ynmometer test. An injetor test. 44 Whih one of the following is likely to use the fult reporte? Low fuel level. Low engine oil level. Low ttery voltge. Low yliner ompression. 47 On ompletion of the repir, wht shoul e use in orer to lurite the omponent? Oil. Grese. Diesel fuel. Copper slip. 48 When investigting the eletril issue, the tehniin will hek for 12 v t the ttery 12 A t the ttery 24 v t the ttery 24 A t the ttery. 7 See next pge

8 49 Sttement 1 As the ttery voltge is orret, the tehniin shoul hek the voltge t the strter motor exiter terminl. Sttement 2 The tehniin shoul hek the voltge t the motor erth return. 50 Upon ompletion of ll the tsks, wht shoul the tehniin o? Allow the ustomer to remove the trtor. Complete work log for the workshop mnger. Complete full funtion test of the trtor. Wit until llote time hs een use. Whih one of the following is orret for the sttements ove? Sttement 1 Sttement 2 Flse Flse Flse Flse NOW GO BACK AND CHECK YOUR WORK IMPORTANT - Are the etils t the top of the nswer sheet orret? Hve you fille in your nswers in INK in the pproprite oxes on the nswer sheet? 8