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
In which step of the grading process is topsoil leveled?
a. stripping sod b. rough grading c. stripping topsoil d. finish grading
The process of combustion occurring without an open flame is called ________
A) Non-flame combustion B) Spontaneous combustion C) Cold fusion D) Direct ignition
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?