What type of thread lubricant should be used when connecting the oxygen regulator to the oxygen cylinder?

A) Light-weight machine oil
B) Only nonflammable packing
C) Teflon tape
D) No lubricant or sealant of any kind should be used.


D

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The overload relays in machines associated with continuous processing typically activate a(n) _____.

a. alarm circuit b. transformer circuit c. motor circuit d. shut-off circuit

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In which step of the grading process is topsoil leveled?

a. stripping sod b. rough grading c. stripping topsoil d. finish grading

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The process of combustion occurring without an open flame is called ________

A) Non-flame combustion B) Spontaneous combustion C) Cold fusion D) Direct ignition

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Technician A says used engine oil may be burned in a commercial space heater. Technician B says oil filters should be thrown in the trash immediately after being removed from the vehicle. Who is correct?

What will be an ideal response?

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