mechanisms and tools for car repair

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Uploaded: 18.05.2015
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Test questions for current and final control of knowledge and assessment of students on the course
Discipline: "machinery and accessories for car repairs" (1 of 1)

Question 1: What are the inclusion contains air entering the compressor?
1. Does not contain any impurities.
2. Contains the dust in its structure, organic compounds diaksid sulfur, nitrogen oxide, carbon oxides and some moisture.
3. It contains in its composition the moisture and dust in large amounts.

Question 2. How does the moisture contained in the compressed air in the pneumatic paint job?
1. Virtually no effect.
2. Condensation causes corrosion of parts pneumatic tools, hammers ducts and affects the quality of painting.
3. The moisture contained in the compressed air, emulsified oil and clogs the ducts in Pneumatic, causing it to malfunction.

Question 3. How do I know the value of the relative humidity of the air entering the compressor?
1. To determine by means of a special tool.
2. From daily weather reports.
3. Calculate the formula H = (A / B) 100.

Question 4. How to determine the actual water content in 1 m3 of air in specific production conditions?
1. Based on the relative humidity and ambient temperature.
2. Using the formula A = BH / 100.
3. On the basis of information on the dew point and air temperature.

Question 5. What are the physical processes taking place in the air is compressed in the compressor and pneumatic tools in its expansion?
1. The heating and compressor cooling Pneumatic.
2. Cooling of the compression and temperature rise during its expansion in pneumatic tools.
3. No processes do not occur.

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