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Railway Engineering.doc
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Test 12

I. Match these explanations with their definitions.

1. Load

a. the act of arranging

2. adjacent (track)

b. very close, touching or almost touching

3. footbridge

c. a narrow bridge to be used only by people walking

4. arrangement

d. smth. that is being or is to be carried, especially smth heavy that is carried by a vehicle

II. Decide if the sentences are true (t) or false (f).

a) Kirow makes cranes without a separate counterweight.

b) Telescopic arrangements allow the reduction of the tail radius of the crane to about 20m.

c) Track maintenance cranes handle structures up to 120 tonnes in weight.

d) At present rope-operated mobile cranes are being superseded by hydraulically operated ones.

e) Signaling and power masts, walls and other obstructions pose a problem when changing the working direction of the mobile crane.

III. Match Russian and English words and phrases.

1. кран

a. tail radius

2. характер работы

b. crane

3. заменяться

c. bridge work

4. более тяжелый груз

d. nature of the work

5. работа по строительству моста

e. to pose a problem

6. противовес

f. to be superseded

7. хвостовой радиус

g. heavier load

8. место, где пространство ограничено

h. counterweight

9. являться проблемой

i. area with limited space

IV. Choose the appropriate word combination in b and put it into the gap in a.

A

B

1. Various types of cranes are available, the type and size best suited for a specific operation being influenced by the following factors…

a. … in which all working operations but traveling are performed with the help of hydraulic rams.

2. Cranes of this type usually take the form of a frame carrying a jib, a winch, and other necessary hoisting and controlling equipment…

b. … the nature of the work on which it is to operate, the weight of load it has to handle.

3. At present rope-operated mobile cranes are being superseded by hydraulically operated ones…

c. … the whole being mounted on a cast-iron bed plate fitted with road wheels of the pneumatic type.

V. Read three possible ways to complete the sentences and choose the only one correct.

A. Mobile cranes may be mounted on ……

a) a brick base

b) a foundation

c) a lorry chassis.

B. Working below rail level, as well as working at boom heights beyond 15m, give track maintenance cranes useful ……

a) versatility

b) capacity

c) leveling.

C. While working up to 15m to the side, the counterweight of such a crane is kept within 2m from ……

a) work object

b) the centerline of the track

c) the crane itself.

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