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Vocabulary

hoist, winch, raise піднімати

handle мати справу з

warehouse склад

construction site будівельний майданчик

shipyard док

load вантаж

hand crank заводна ручка, важіль

attach прикріпляти

bracket скобка

jib crane кран із стрілою (поворотний)

trolley контактний ролик

counterbalance противага

girder балка, мачта, ферма

cantilever crane кронштейний кран

gantry crane портальний кран

truck / crawler crane автокран

caterpillar treads гусеничні ланки

self-propelled самоходний

accessory boom додаткова стріла

rail рейка

gauge tracks колійні путі

floating crane плавучий кран

drive piles забивати палі (рос. сваї)

sunken vessel занурений сосуд

bucket ківш

tower башта

Test

  1. Match the titles to the parts of the text:

1). Portable Jib Crane

2). Travelling Cranes

3). Various Types of Cranes.

4). Crane is a hoisting machine used for handling materials.

A

B

C

D

  1. Match the notions to their definitions:

1. Piston

a).A shaft driving or driven by a crank.

2. Crankshaft

b).A machine's ratio between work output and energy in­put

3. Efficiency

c).A measure used for the work performed by a machine and equals 33,000 foot-pounds per minute

4. Horsepower

d).A rod or disk that can move up or down within a hollow cylinder.

1

2

3

4

  1. What statements are true or false:

1). Horsepower A measure used in the English-speaking countries for the work performed by a machine. It was devised in the eigh­teenth century by James Watt and equals 33,000 foot-pounds per minute.

2). Mechanical Advantage The ratio of the output force of a machine to the input force necessary to work the machine.

3). Cranes wash heavy loads by means of ropes or cables that ride over pulleys.

4). Machines that can only raise and lower loads are called miners, or winches

5). Cantilever Crane. This type of crane has a jib that extends outward from a supporting column that generally cannot be rotated.

6). Materials such as earth and rocks are often lifted and transported by cable cranes. The load is carried in buckets attached to a cable that moves between two towers.

1

2

3

4

5

6

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