Grammar Revision exrcises
Date: 2015-10-07; view: 428.
I. Read and translate the sentences paying attention to different forms and functions of the Participle:
1. The numbers being coded on a punched paper tape will control the machine.
2. The numbers controlling the machine are coded on a punched paper tape.
3. Being a form of programmable automation numerical control was initially introduced into the machine-tool industry.
4. The numbers coded in the program specify x-y-z coordinates.
5. Having been implemented by the computer the form of numerical control was called computer numerical control (CNC).
6. Having been developed since its initial use to control machine tools numerical control acquired many other applications.
7. Having changed the form of numerical control programmers and designers transformed CNC into DNC.
II. Read and translate the sentences paying attention to the Absolute Participle Construction:
1. Numerical control is a form of programmable automation, a machine being controlled by numbers coded in some storage medium.
2. The numbers having been coded on a punched paper tape, the position of the cutting tool relative to the work part became controlled.
3. A position feedback control system having been applied, the coded instructions were performed and verified.
4. Today, a small computer is used as the controller in an NC machine tool, the program being actuated from the computer memory.
5. Part programs are sent over telecommunication lines from the central computer to individual machine tools, the use of the punched tape being eliminated.
6. A typical printed circuit board containing dozens of individual components on its surface, the insertion machine requires great precision.
7. The program controls the insertion machine, the information being communicated directly from the computer to the machine.
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