What is an odorant commonly used in natural gas called?
What will be an ideal response?
Mercaptan
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Answer the following statement(s) true (T) or false (F)
A current of one milliampere can be felt.
What type of pump moves liquids by rotating a screw or a set of lobes, gears, or vanes that trap the liquid and physically push it through the pump?
A) Axial pump B) Rotary pump C) Centrifugal pump D) Reciprocating pump
Technician A says that an oxygen sensor produces a voltage output signal based on the oxygen content of the exhaust stream. Technician B says that if the exhaust has little oxygen the voltage of the oxygen sensor will be close to 0 volts. Who is right?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Technician A says convection is the process of heat moving to cold. Technician B says convection also involves the movement of heat upwards. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B