What tool is used to represent actual dimensions in a reduced size?
a. ruler c. compass
b. scale d. protractor
B
scale
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Answer the following statements true (T) or false (F)
1. A rectangular area of building that is bounded on all three sides by exterior walls, on the fourth side by a fire barrier, and with fire-rated floors above and below, may be treated as a fire area. 2. Compared to a lightweight building element, a heavyweight element is generally a poor transmitter of airborne sound. 3. A resilient clip consists of a small light-gauge steel member with a rubber pad fastened to it. 4. A resilient channel is used to attenuate airborne sound, whereas a resilient clip is used to attenuate structure -borne sound. 5. A seismic joint is generally similar to a building expansion joint but smaller in width.
Which of the following is an inert gas?
A. Nitrogen B. Oxygen C. Hydrogen D. Helium
ControlNet is ________
A) A digital motion control network that interfaces the motion control module in the PLC with the servo motor drive through a fiber optic cable B) A low-cost communications single cable network with input and output devices with an embedded microprocessor for network communications C) An open network standard that uses the producer/consumer network model to efficiently exchange time-critical application information in control systems D) A vendor-specific network for use with Allen-Bradley hardware
Sometimes the ________ is called an actuator/operator
A) engine B) compressor C) valve D) handwheel