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The technical product is called as efficient, if:

1. 1 It supplies all safety requirements
2. 2 If it supplies the external design requirements
3. 3 Moral deterioration term is not expired
4. 4 It can perform the function, that are determined with technical documentation requirements

Misfire is called:

1. 1 Resource exhaustion of the machine
2. 2 Phenomenon which causes loss of working capacity of a product
3. 3 Deterioration of power indicators of a technical product
4. 4 Defected condition of the machine

Reliability of the car is:

1. 1 Irrevocable working ability of work tools in defined period of time
2. 2 High qualitative performance ability of the given process
3. 3 Ability to maintain the sustainable movement
4. 4 The property, to maintain the function ability without change operating factor

Availability term of the machine is:

1. 1 The period of time between seasonal maintenance services
2. 2 Its moral deterioration term
3. 3 Calendar duration of machine exploitation until the point, when parameters defined by its technical documentation reaches the limit value
4. 4 Car service warranty period

Maintenance service of the vehicle represents the certain set of operations:

1. 1 Performance of which is necessary in order to increase the vehicle reliability
2. 2 Performance of which ensures preservation of the vehicle operability
3. 3 Through which durability of vehicle increases
4. 4 Performance of which is necessary for preparation of the vehicle for operation

According to the used energy source agricultural aggregate may be:

1. 1 Mobile and stationary
2. 2 Thermal, electrical, hydraulic, carting
3. 3 Gasoline, diesel, kerosene, wood alcohol
4. 4 Simple, complex, combined

In the maintenance system of tractors and automobiles are included:

1. 1 Diagnosis of seasonal and periodic maintenance of each shift
2. 2 Technical View, seasonal and periodic maintenance of every shift
3. 3 Running-in, seasonal and periodic maintenance of every shift
4. 4 Running-in, seasonal and periodic maintenance

Maintenance diagnostics of the tractors are:

1. 1 Process of an establishment of their technical condition without dismantling
2. 2 Process of forecasting of their technical condition
3. 3 Process of an establishment of their technical condition by means of dismantling

The purpose of a problem of optimization of machinery systems is:

1. 1 In the given conditions a choice of system of such machines, which will provide production of any kind, with savings of energy carriers
2. 2 In the given conditions a choice of system of such machines, which will provide manufacture of non-polluting production, with use of labor economic resources
3. 3 In the given conditions a choice of system of such machines, which will provide manufacture of given production so that any criterion has reached the minimum value
4. 4 In the given conditions a choice of system of such machines, which will provide manufacture of non-polluting production, with manual skills exception

Aggregates have the following properties for exploitation:

1. 1 a. Universal, b. Trailer, c. Hanging d. Semi-hanging
2. 2 a. Unequivocal. b. Multimachine, c. Combined, d. Universal
3. 3 a. Agro technological. b. Energetic, c. Maneuvering, d. Technical, e. Techno-economic, f. agronomical
4. 4 a. Mobile, b. stationary, c. complex, d. combined

Specific resistance of technological machines is influenced by following factors:

1. 1 a. Constructive, b. Exploitation
2. 2 a. Organizational. b. Economic, c. Constructive
3. 3 a. Natural - climatic, b. Constructive
4. 4 a. Natural - climatic, b. Constructive, c. Exploitation

The basic characteristics of the engine are:

1. 1 Volume of the chamber of fuel, quality of compression, length of a course of the pump, quantity of cylinders
2. 2 The effective power, the rotating moment, volume of the chamber of burning, hourly fuel consumption, specific fuel consumption
3. 3 An arrangement of cylinders, volume of the chamber of fuel, quality of compression, length of a course of the pump
4. 4 Frequency of turns, the effective power, the rotating moment, hourly fuel consumption, specific fuel consumption

Maneuverability of the aggregate provides:

1. 1 a. Ability of turn. B. Stability of movement, c. Controllability, c. Passableness
2. 2 a. Transport speed. b. Stability of movement, c. Controllability, c. Passableness
3. 3 a. Capacity of draft. b. Stability of movement, c. Controllability
4. 4 a. Speed of movement. B. Turn radius, c. Stability to revolution

Kinds of movement of aggregates in directions of working courses:

1. 1 Rotational and circular
2. 2 Rotational, diagonal and circular
3. 3 Diagonal and rotational
4. 4 Shuttle, combined and rotational

Checkup (check) of machines represents:

1. 1 An establishment of the basic knots of the machine on the basis of the external data
2. 2 Process of technical diagnosing of the machine without dismantling of knots on which basis the conclusion about machine writing off is become
3. 3 After maintenance service of the machine its check at control journey
4. 4 Process of diagnosing of a technical condition of the machine without dismantling of knots on the basis of what the conclusion about an actual technical condition of the machine is made

Periodicity of maintenance service of tractors under the present specifications makes:

1. 1 TM-1 – 200 engine hours; TM -2 – 800 engine hours; TM -3 – 2400 engine hours
2. 2 TM-1 – 60 engine hours; TM -2 – 240 engine hours; TM -3 – 960 engine hours
3. 3 TM-1 – 100 engine hours; TM-2 – 400 engine hours; TM-3 – 1600 engine hours
4. 4 TM-1 – 50 engine hours; TM -2 – 200 engine hours; TM -3 – 800 engine hours

Under the international standard for tractors are conducted:

1. 1 Seasonal maintenance service, operating repair and major repairs of every shift
2. 2 Periodic and seasonal maintenance service, operating repair and major repairs of every shift
3. 3 Periodic and seasonal maintenance service, and also operating repair of every shift
4. 4 Periodic and seasonal maintenance service, operating repair and major repairs

Clearing of open channels is made:

1. 1 By continuous action dredging machines
2. 2 Dredging machines with active and passive driven elements
3. 3 Milling dredging machines

Open channels are made:

1. 1 Both active and combined, as well as plough-type channel-digging machines with operating device
2. 2 By active and plough-type channel-digging machines only
3. 3 Active channel-digging machines with combined operating device only

The distance between buckets of continuous action dredging machine is taken in following limits:

1. 1 From 0,2 meters to 0,4 meters
2. 2 From 0,6 meters to 1,0 meters
3. 3 From 0,4 meters to 0,6 meters