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High Accuracy RTD (resistive temperature detector) Thermometer
The DST500 temperature 1_________, and the DSX500 transmitter thermometers are wide range, high accuracy units designed for 2_________ where accurate and reliable temperature monitoring and transmitting are critical. Both offer high precision temperature 3_________ technology and feature a 1-in. high LCD display – readable from 30 ft. away. They are available in a 4__________ of standard and custom built probe configurations including MIG standard tapered bulb for drop-in direct MIG 5__________. The quick disconnect option allows the user to remove the probe and meter for calibration without 6__________ the permanently installed cable. The adjustable angle probe option allows easy adjustment of the display for the best viewing option. Special 7_________ can be supplied for tight fit installations. Temperature range is -328°F to 1,472°F (-200° to 800°C). | INDICATE APPLICATE MEASURE VARY REPLACE REMOVE CONFIGURATE |
SPEAKING
14 a) Study the following information about acetylene.
Acetylene
Acetylene (C2H2), a compound of carbon and hydrogen, is a colorless, highly flammable gas. It is slightly lighter than air and has a garlic-like odor. Acetylene is stored in high pressure cylinders filled with a porous material and containing acetone, into which the acetylene is dissolved. Unless dissolved in a solvent, acetylene will dissociate at pressures above 15 psig and form lamp black and hydrogen. Heat is generated with dissociation, which in turn, produces a danger of explosion.
Acetylene is manufactured by the reaction of water with calcium carbide. It is also manufactured by thermal cracking of hydrocarbons, or by partial combustion of methane and oxygen.
b) In groups complete the table using the words/word combinations from the text above. See the examples in italics.
Process | Equipment | (Raw) material | Action |
distillation | gas heated reformer | gas sulfur compounds | to be compressed to be purified by |
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PROFESSIONAL LANGUAGE DEVELOPMENT | | | Design Power Point slides and prepare a short presentation about a technological process of a chemical product. |