X. Connect the following parts of sentences using variants a and b.

1. Elevating graders can erect fills a) by means of an extension frame

up to 1.2 –1.5 meters high

2. One of the principal parts of an b) in order to change the penetration

elevating grader is the main frame of the knife into the soil

3. The share arm can be raised or c) for a roadbed constructed in a level

lowered together with the disk knife country

4. The length of the conveyor can be d) which carries the engine and control

increased mechanism

XI. Complete the following sentences using variants (a) or (b).

1. Elevating graders can be used for

1. compacting soil

2. digging cuts, building fills, etc.

2. In an elevating grader the two functions of cutting and transporting a load

1. are quite separate

2. are connected in one function

3. In an elevating grader the work is done by an knife and

1. a screw conveyor

2. a belt conveyor

4. The belt conveyor is secured to the main frame

1. in three points

2. in two points

5. An elevating grader travels on

1. four wheels

2. six wheels

XII. Translate into Russian paying attention to the Complex Subject.

1. Forced discharged (принудительная разгрузка) proved to be the most reliable although it involves (влечет за собой) a greater consumption of power.

2. When a scraper has to operate on heavy soil, the pull of one scraper is considered to be insufficient (недостаточна) to cut a slice and fill the bowl (ковш).

3. Elevating graders are known to be used for erecting fills for roadbeds constructed in a level country, etc.

4. The disk knife and a belt conveyor are known to constitute the operating members of the machine.

5. An elevating grader is known to travel on six wheels.

6. Rack-and-pinion jacks are considered to have a higher efficiency than screw jacks.

7. A hoist is known to be a suspension-type small-size mechanism used for assembling machines.

XIII. Insert the verbs in the proper form. Translate the sentences.

1. Elevating graders … for erecting fills and digging cuts.

2. The work in elevating graders … by a knife and a belt conveyor.

3. Roadbeds … in a level country and on hillsides.

4. Soil dug by elevating graders … into a dump.

5. Control mechanisms … the upper or lower part of the conveyor separately.

6. The share arm … to change the penetration of the knife into the soil.

7. Due to the ability to move easily off the road, crawler cranes … widely … for various branches of construction.

XIV. Fill in the gaps with prepositions. Translate the sentences.

1.The power is developed … the engine.

2. The belt conveyor is secured … the frame … three points.

3. The length … the conveyor may be increased … the aid … an extension frame.

4. An elevating grader consists … the main frame, a vertical frame, a share arm, a conveyor and front and rear axles.

5. The engine actuates the driving drum … the conveyor … the transmission.

6. The power is transmitted … the gear box … the conveyor control mechanisms.

7. … an elevating grader the two functions … cutting and transporting the load are quite separate.

8. … hillsides fills may be built … slopes … 12 degrees.