Task 1. Complete the following sentences choosing right variant:

1.The efficiency of marshalling yards has been improved due to...

a) the building of a great number of classification tracks,

b) speeding up shunting operations,

c) using automatic equipment.

2. The cars which roll from the hump by gravity are routed into…

a) a sorting siding:

b) a classification track:

c) a main line.

3. The usual method of controlling the degree of retardation is…

a) an electronic computer,

b) a speed checking device:

c)a special wheel device.

4. Repair shops situated close to modern marshalling yards are mechanized…

a) to speed the repair of rails;

b) to speed the repair of cars;

c) to speed the repair of classification tracks

5. The need for sorting cars at small, intermediate yards is eliminated because…

a) there are many luge modern classification yards,

b) railways made much progress,

c) yards have a hump.

Chalmers1998    2   03.02.2021 11:09    8