YesVehicle maintenanceThe advanced theory of work (4) is shared by members and can be read online, and more of the relevant advanced theory of car mechanics (4) (11-page collection) is available for search in the human library。
For reference purposes only.Professional ethicsIt is a binding mechanism. A. Mandatory b., non-mandatory c., random d., spontaneous 2. In the business's operations, the following options () are not expressions of ethical function. A. Incentives b. Decision-making c. Regulatory behaviour d. Compliance 3. Adoption of professional ethics () enhances corporate cohesion. A. Coordination of staff relations b, increase of employee benefits c, creation of development space for employees d, regulation of corporate and social relations d. Ethics is a human career success (). A. Important assurance b, final outcome c, determining conditions d, distinguishing signs 5. In business activities, what does not meet the zealous demands () a. Serious hospitality, apathy
2. Active service, c., smiles, d d., kindness, hospitality, etc., is not required for professional and professional service. A. Setting professional ideals b, one line for one line, one line for one line, one line for one line, one line for one line, one line for one line, one line for one line, one line for one line, and one line for the other. A. Maintaining corporate credibility b, increasing employee benefits c, focusing on economic efficiency d, conducting staff training 8. Maintaining fairness and striving for justice (). A. Public-private separation b, required response c, fair and equitable d, open practice 9. The correct option is () in the following discussion of hard work and economy. B, economy is a necessary condition for the sustainable development of the enterprise. C, labour is less than dry d, economy is less than creation 10. Contract employees violate professional discipline and discipline when they are sanctioned
3. The principle of certainty is (). A. Enterprises cannot impose fines b. They cannot impose penalties because they are protected by labour contracts c. Depending on the circumstances, appropriate sanctions d. Warnings are often less effective 11. The innovation of enterprises requires employees to strive () to do so. A. Can't keep the rules, but can't mark new ones. B. Boldly break existing conclusions. C. Self-absorbed theoretical systems. C. Boldly tried to break in, asked new questions d., inspired people and contained the resistance of impulses and emotions. A. A conductor with a barrier of 2 having a current of 4a by means of which the current is () j in one minute. A, 8b, 32c, 480d, 192014. 1kwh power available for a "220v, 25w" lamp
4. The time for normal lighting is () h. A, 20 b, 25 c, 40 d, 4515. In a flat magnetic field, the plane and the magnetic induction line () are applied when the magnetic flux is maximum through a plane. A. Parallel b, vertical c, tilt d, any location 16. The units of magnetic generals (). A, b, a c, h d, wb17. The active value of the exchange voltage is known to be 220 v, with a frequency of 50 hz, with an instant value of 110 v when t= 0. The instantaneous expression of the voltage is (...). A, u = 220 sin (314t + 30) b, u = 220 sin (314t-30) c, u = 220 sin (314t + 30) d, u = 220 sin (314t-30) 18. Semiconductor diodes are divided according to () and can be divided into two types of diodes and silicon diodes. Structure b
5. Use c, base sheet d, size 19.() moves the fluid as a working medium, relying on internal pressure within the fluid to transmit power. A. Hydraulic b, air pressure c, mechanical d, power 20.() return circuits are used to provide a branch of a hydraulic system with pressure oil below the working pressure of the main system. A, voltage b, voltage c, voltage d, switching to 21. Throttles are (). A. Pressure valve b, flow valve c, direction valve d, hydraulic auxiliary 22. A, very b, very c, special d. The liquid suppression system on a car is a () hydraulic transfer. A. Power b, volume c, pressure d, volume 24.'s expression(). A, pressure reduction valve b, spill valve c, sequence valve d, balance valve 25.() wrench shows a twist
6. Size. A, opening b, clubs c, twist d, activity 26.() balance machine works on the principle of moving balance. A. Provision of electricity to generators when vehicles b, c, d, a or b27. Are overloading. A. Starter b, ignition ring c, sub-wire d, storage battery 28, petrol machine(s) can transform the supply of 12v low voltage to 1530 kkv high voltage. The capacity of the capacitors in the car ignition system is () f. A, 0. 15 b, 0. 25 c, 0. 150. 25 d, 0. 250. 3530. The net temperature of engine spark plugs is (). A, 200300 b, 300400 c, 400500 d, 5007003
(7) the circuit is carrying two and a filtering cap. A. Fluid b, filter c, steady pressure d, magnification 32.() indicates the ability of amplifiers to magnify signal currents. A, voltage gain b, current gain c, power gain d, resistance gain 33. If the diode is linked to the power supply negative, the diode is linked to the power supply positive and the diode is located (). A, cut-off b, conductive c, shut-down d, above, are not answerable to 34. A. Biological and chemical b, biological c, chemical d, physical 35. Toyota lmperial 400 () air flow meter. A. Wingboard b, hotline c, thermal membrane d, kalman vortex 36. Enter the signal from the sensor and pass first (). A. Storage b, cpu c, input circuit d, a/d converter 37.
8) applies only to data retained for the time being. A, cpu b, rom c, ram d, eprom38. In case of malfunctioning of the a, cpu b, rom c, ram d, eprom38. A. Standard b, current c, indeterminate d, at any value of 39. Gasoline subaxis shall not exceed () mm. A, 0. 25 b, 0. 50 c, 0. 75 d, 1. 254. Sawn steel shall be cooled. A, oil b, gear c, cooling fluid d, alcohol 41 a. Staff b, enterprise c, sector d, equipment d of the four components of overall quality management refers to (). A, plan b, implementation c, inspection d, processing 43.() is the basic indicator for the evaluation of the quality of the retort. Rehabilitation
Levels of binding strength b, static balance level c, assembly accuracy d, vibration 44.() are one of the main harmful elements of diesel emissions. A, co b, hc c, nox d, carbon smoke 45. Four-strike light vehicles produced in 2000 with no greater hc emissions than () ppm. Among the wastes below a, 900 b, 700 c, 500 d, 30046, the wastes below are not special wastes (). A. Waste oil b, brake fluid c, anti-frozen fluid d, wire 47. Entry inspection of the vehicle repair process, a: “a consultation should be conducted on the state of the vehicle's technology, followed by an external inspection and driving inspection” b: “only consultations on the state of the vehicle's technology can be maintained”. () correct. A, b, b, c, a and b, d, incorrect. The best options for repair process protocols for a vehicle component are available ()。
10, a, a, b, c, d, no 49. The principles for determining auto repair process protocols do not include (). A. Technical sophistication b. Economic soundness c. Quality reliability d. Performance stability 50. Car repair cards are not included (). A, sequence b, post c, technical requirements d, attention 51. Overloading of engine gas catheters and vents is normally () mm. A, 0. 010. 04? B, 0. 020. 06 c, 0. 025. 085 d, 0. 050. 1052. The overall dry cylinders typically have a processing residual of () mm. A, 0. 100. 20 b, 0. 0050. 015 c, 0. 050. 10 d, 0. 150. 2553. The standard for major repairs to the radial direction of the curvature axis of a diesel engine is (()
11 mm. A, 0. 05 b, 0. 01 c, 0. 50 d, 0. 0254. The standard for major repairs to the different diameters of each tank after grinding. A, 0. 025 b, 0. 20 c, 0. 01 d, 0. 0155. 5. Materials for car transformer casings are generally selected (). A. High-carbon alloy steel b, low-carbon alloy steel c, carbon steel tools d, casting steel 56. Engine curvature material requires a high resistance to fatigue and grinding, and the neck surface is to pass (). A, nitrogenization and high-frequency accelerator b, fire c, fire back d, fire back 57. The steps to be taken in drawing the work map of the spare parts are: scale selection, screening, bottom drawing, () mapping, depth mapping, audit. A, core b, selection of baseline c, drawing structure shape d, marking size 58. Engine cylinder axial bearings and axis testors are mainly core axle sets, fixed axis, spherical shapes
12. Touch, percentage and () composition. A. Equivalent leverage b, thousands of fractions c, calcium d, cardiac amplifier 59. The main disadvantage is (). A. Complex equipment, operational difficulties b, thermal stress c, corrosiveness d, low impact resistance, and resistance to high temperature 60. When engine wheels and arc assembly are combined, the overall beat capacity of the wheel level vis-à-vis the arc axis should not be greater than () mm. A,0. 10 b,0. 20 c,0. 30 d,0. 2561. Automotive axle assembly and engine arc examination must also be performed (). A. Activate balance test b, move test c, load test d, whole test 62. The engine tank must also be cut off (). A, light grinding b, grinding c, grinding d, grinding 63. An engine curve axis neck grinding examination is available () a
13, 000-foot b, range card c, percentage d, thick regulation 64. For the following options, the selection of axle bearings is not the item (). A. Selection of the necks according to the axle b, positioning up and up c, elastic d, hard 65. The circle of the necks of the cam axis shall not exceed () mm by error, otherwise they shall be repaired or replaced. A, 0. 010 b, 0. 015 c, 0. 020 d, 0. 02566. The equipment required for the total assembly of the composting engine is (). A. Piston ring c-b, lead c, jack d, specialized wrench 67. Carbon accumulation is best used () for removal. A. Chemical b, razor c, shovel d, steel wiring 68. Car parts are repaired, and the following options () can be used for fixation. A, turning pole b, airlock c, engine tank d, transmission axis hana
14 in the assembly size chain, the increment ring is (). Emancipation of the intermediate bearings of the ca1092 car transmission axis may be adjusted () when the axis gap exceeds the prescribed limit. A. Additional adjustment of gasket b between inner circles, removal of compartments between inner circles c, appropriate thinness of the two inner loops, d. Replacement of bearings 71. The pre-heavy adjustment of the main brakes for the release of the ca1092 car from the moving cone gear bearings was used (). A. Adjustment gasket b, ring nut c, axle bearings and main brakes to adjust the gasket d, brakes 72. With angular feet and test rods to check the deformation of the front axis of the car, the deformation of the front axis can be determined by contact with an angular feet and test rods, if there is a gap between the angular rule and the upper end of the test bar. A. Front
15, axle bends upward b, front axle bends downward c, horizontal bends downward d, and twirling 73. In the process of overhauling the mechanical cyclic ball-turner, which is equipped with a re-heavy screw, the nail says: “two steel balls shall be assembled in pairs of corroded threads”; and b: “two steel balls shall be placed together to select the clusters to be fed into the catheter screw holes”; and c: “two steel balls shall be loaded into the original catheter screw holes”. That's right. A, a, b, b, b, c, c, d, a and b74. Turn your arms back to the shaking arm axis, the end of which shall be higher than the side of the shaking arm key () mm. A, 25 b, 12 c, 2. 53 d, 0. 5175. When welding, the length of the welding at a time increases the welding stress (). A. Larger b, smaller c, non-changed d, no change 76. The common rodging gap for the release of the ca109 car transformer is typically () mm. A, 0. 150. 5
16, 0b, 0. 100. 25 c, 0. 050. 15 d, 0. 100. 4077. When testing the audi auto-reformer output axis rectangles, replace the adjustment pad with a thinner than the original thickness () mm, if the rotation power rectangles are too small. A, 0. 05 b, 0. 08 c, 0. 10 d, 0. 1578. With regard to engine piston rings and piston assembly, a: “be careful as to the direction in which the piston rings are to be installed, and the angles of the openings of the pistons should be evenly balanced”; b: “the oil rings shall normally be fitted with mid-line rings”; c: “the scratch openings on or off the combination rings shall be staggered 120”. That's right. A, a, b, b, c, c, d, a and b79. In combination with motors having the conditions for major repairs, the main vehicle is the main vehicle for major repairs (). A, b, truck c, sedan d, van 80
What is the correct statement? (a) a, the tractor must go in alone for major repairs b, the trailer must go in alone for major repairs c, the trailer and the tractor must go in alone for major repairs d, and there is no specific provision to determine whether the engine should be overhauled according to the size of the cylinder, which should be based on a cylinder with a wear factor () a. Minimum b, middle c, large d, average 82 for each tank, () is not a sign for the total repair of the frame. A. Serious pre-bridge deformation b, fractures, rust, deformation ultra-limit c, large parts of the frame impervious d, and deformation of the frame exceeding 83. For motor transformers, the statement is incorrect. A. Overwhelming of transmission bearings b, breakup of gear transformer shell c, malignation of gear transformer axes and gears d, decompression of speed transformer manipulator 84. () not vehicle-driven bridge
18, in all major repairs. A. Malignant wear of the gears of the main brakes b, the bearing bearings of the differential-hull c, the break-up of the bridge shell, deformation d, and the semi-axis tube bearings exceeding 85. The front axle cracks and deformations of the car, with severe wear of the main product bearings having been () a major overhaul of the delivery marking. The sign of the front bridge b, the middle bridge c, the back bridge d, the front wheel 86, the passenger car, is substantially repaired. A. For the following options, () are not marked by major repairs to the body of the van: minor rust b, skin-breeding c, severe deformation of the frame of the car, d. Of the cockpit, 87. A. The repair unit and the repair unit shall enter into a contract to agree on the requirements for the repair, etc., when the vehicle is repaired, in the event of a severe disfigurement of the cab b, the cargo container vertically, the beam decaying c, the base plate of the cargo container, the large area of the plate break d, the small rust of the cab, etc. A. Car repair days and quality assurance b. Car repair hours
19. C. Repair materials d. Process cards 89. The items for which performance tests are not required upon arrival are (). A, working performance b, engine power test c, brake performance test d, rotor positioning test 90. Engine pole bearing bearing axis limit () mm. A, 0. 40 b, 0. 50 c, 0. 30 d, 0. 6091. Automobile air-conditioning compressors leak detection methods are varied, but the following methods () cannot be used. A, halogenizer detector b, electronic leak detector c, soap bubble d, water pressure method 92. The body is divided into a number of areas, affecting more visible parts of the skin (). With regard to pre-management of vehicle selection and use, sectors a, b, c, d, d, a, a, b, b, c, d, d, a, b, b, b, b, b, b, c, d, d, d, d, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, c, b, b, b, b, c, b, b, b, b, c, b, b, b, c, b, b, b, c, b, b, c, b, b, b, b, b, b, b, b, b, c, b, c, b, b, b, c, c, b, b, b, c, b, c, b, b, b, b, c, c, c, b, c, b
Before a new vehicle is in service, a comprehensive inspection should be conducted and a technical inventory of the vehicle should be established. C states that “the imported new vehicle may be modified as appropriate during the claim period”. A, c, c, b, d, a and b94. Pre-road tests must be sufficient. A. Lubricating oils, greases, cooling fluids, brake fluids, electrolyte b, cooling fluids, brake fluids, electrolyte c, brake fluids, electrolyte d, lubricants, greases, cooling fluids95. Automobile engines, after major repairs, are operating at a steady speed and do not fluctuate more than () r/min. A, 100 b, 50 c, 80 d, 15096. Loaded wheel oils are suitable for low-speed, high-speed rectangular high-speed low-rotation rectangular operations for moving boxes, spiral gears, and especially for lubrication for multiple vehicles. A, double-curve gear b, regular rotor c, direct gear d, tilt gear 97
21 the car cooling fluid is number (). A, 20b, -25c, -35d, -4598. Reasonable selection() increases engine inflatability. A, late start b, late start c, early close d, late start 99. Fire centres formed during gas combustion. A. Delay in fire b, period c, period d, period d. Excessive air coefficients, greater delay in fire (). A. Long b. Short c. Uncertain d. No. 101. With regard to surface ignition, the statement is incorrect (). A. An abnormal combustion b, a surface ignition hazard less than an explosion c, two types of surface ignition cause d, and a surface ignition risk greater than 102. The diesel engine enters the cylinder during the gas intake. A. Mixed air b, pure air c, first air after mixing gas
22, d, fogged diesel 103. Engines consume large amounts of fuel per hour, i. E. (). A, good power b, worse economy c, less economy d, higher fuel consumption + 104, more diesel than gasoline (). A, flat b, bend c, non-comparison d, uncertain 105, known by the characteristics of the diesel load, with increased power (). A. Add b, minus c, positive to speed d, negative to speed 106. The following are not part of the vehicle detection diagnosis () the main items for diesel tail gas detection are () the main items. A, b, co, c, nox, d, hc 108. The technical management principles for vehicles require periodic vehicle testing, () and, as appropriate, repair. A
Regular maintenance b, voluntary maintenance c, mandatory maintenance d, technical regulation of vehicles in the automobile transport industry promulgated by the ministry of transport, as required, provides in articles 11 and 12 (a) that, in the acquisition of vehicles, a selection shall be made and a selection made to improve the efficiency of vehicle investment. A. Transport unit b, transport individual c, transport unit and transport individual d, large enterprise 110. When checking the position of the vehicle's near-light beam, neither shift to the left nor shift to the right greater than () mm. A, 80 b, 90 c, 100 d, 1000111.() may serve as one of the main grounds for issuing, auditing and verifying operating permits. A. Automobile manufacturers b. Vehicle technology files c. Driver's age d. Market conditions 112. Operating years for vehicles when assessing whether they are intact (). A. Requirements b, no requirements c, no requirements d, requirement 1 in 2 years
24. The total release time for motor vehicle brakes is not greater than()s. A, 1 b, 0. 8 c, 2 d, 3114. The maximum reptile of trucks is generally around (). A, 10 b, 16. 7 c, 25 d, 28115. Car speeds (). A, ftf + fw + fj b, ft = ff + fj c, ftff + fw + fj d, ft = ff + fw + fj116. Automobile resistance and strength are (). A. Automobile resistance is greater than investment b. Automobile resistance is equivalent to investment c. Automobile resistance is less than or equal to investment d. Automobile resistance is less than concentration 117. In case of emergency brakes, () the situation is most dangerous. A, front wheel ahead of back wheel. B, back wheel ahead of first wheel. C, back and forth
Automobile brake power () when the wheel is about to die. A. Increase with pedal force b, synchronized growth with ground power c, investment-related d, always smaller than investment 119. The horizontal attachment factor for motor vehicles during braking increases with slide (). A. Smaller b, larger c, smaller d and smaller d. The following options can be used as indicators for assessing the performance of motor brakes: a. Brake distance b, brake release time c, brake time d, brake coordination time 121. Brake effectiveness () a. No impact b, no decline c, no serious decline d, no ability to restore 122. The following is correct in the statement that car brake bias and brake side-sliding relationships () a. Brake-runs don't cause brake-side slides. B. Brake-side slides don't cause brake-runs. C
A severe brake bias causes brake side slide d, which is conceptually consistent. A. Test b, stand c, test or stand d, engine gauge 124. Evaluate the economic use of different models of vehicles (). A. Oil consumption rate b, 100 km of fuel c, economic speed d, tail gas component 125. Tires on the radial line are sharper than normal oscillations (). A, b, b, c, d, c, d, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, a. Enables a shift to manoeuvre light b, allows the wheel to return automatically to positive c, leads to a side slide d, leads to an ideal shift to characteristic 127. A land cruiser has to climb a large ramp, requiring a maximum power factor (). A. Smaller b, larger c, medium d and smaller than a car. A
/ the panel recommends no award of compensation for loss of tangible property. A, 1. 01. 2 b, 0. 60. 8 c, 1. 21. 5 d, 1. 52. 0130. Cars are deformed to the agular arm (). A. Turn heavy b, front wheel c, drive over d, brake over 131. One of the reasons for the brakes is () a. The pedals are grinding into cone b, the self-locking mechanism is not working c, the interlocking mechanism is not functioning d. The reverse lock is not working 132. The pedals are elevated but feel resilient after several successive pedals have been stepped on by vehicles that are liquidally suppressed. A. Main tatter bowl damage, topsliding b. Air or brake liquid gasification in hydraulic systems c. Leakage in hydraulic systems d. Production
28. When the movement is activated, if the exhaust is slow or non-ventilated, resulting in a full-car brake drum fever, it shall be inspected (). A, brake gas chamber b, brake hoofback spring c, brake manipulator d, tank 134. Full auto headlight detector to ensure () m detection distance. A, 2 b, 3 c, 4 d, 10135. Car digital oscillators (). A, wave trajectories are instant state b, displays faster than analog oscillators c, images are not allowed to keep records d, images are more stable and do not blink 136. When the axis centre line of the engine bends more than () mm, it must be corrected. A, 0. 05 b, 0. 10 c, 0. 15 d, 0,20137. The three-digit catalytic converter on the engine exhaust pipe is the main emission reduction. A, co and hc b, hc and nox c, co and nox d, co, hc and n
29 ox138. The following statement is incorrect. A. Low air pressure on automobile tyres increases fuel consumption b, the form and specifications of car tyres affect fuel consumption c, making full use of car taxi performance and fuel conservation d, and using motor pistons in the middle of the vehicle, to the extent possible, to block transport 139. The diameter of the same pistons may not be greater than () mm. A, 0. 100. 15 b, 0. 150. 20 c, 0. 010. 02 d, 0. 00. 025140. Carmen turbo flow measurement () test. Tables a, g. B., c., d., voltage table 141. Indicate that toyota motor models are the () of 17 body codes. A, 4b, 5c, 6d, 7142. Automobile repair and squeezing for processing () a, convex handle round corner b, inner hole c, gas door d, company
30, pole 143. The following legend about safe electricity is correct. A. Replace fuse b with copper wire, maintenance of electrical equipment while running c, water washing of electrical equipment d. Electrical installations are installed or repaired by professional electricians, and foam cannot be used to extinguish fires among the following options (). A, petrol b, electrical fire c, cyanide d, alcohol 145. The advantages of electro-controlled gasoline jet engines are () compared to the chemical engine. A, power b, economy c, emissions d, and above are all correct 146. The measure () is intended to increase engine inflatability. A. Use of long-inducted gas tubes b, transformer systems c, power-enabled cavities d, all of which are electro-controlled petrol-jet-engine jets, voltage volumes are determined by () a, oil-jet time b, gas-in vacuum c, system voltage d, drive voltage or currents 148. The following statement on micromachine control electronic ignition is correct. A. Non-separated electrical ignition system, i. E., independent ignition system b, provided at small loads
