A mask worn to prevent pathogens and pollutants from entering the mouth and nose is a(n):
A. surgical mask
B. respirator
C. pathogenic protector
D. restrainer
Answer: B
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When should the time frame of the employee performance evaluation be determined?
A) Only when the employee needs improvement B) When the manager has time C) At the time of hiring D) All of the above
Technician A says that most current highway diesel engines use the engine ECM to master control of engine braking cycles. Technician B says that some current trucks option engine braking as part of cruise control and directional stability management. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
In a(n) ____________________ circuit, the purpose of the voltage divider is to establish a constant voltage from the base of the transistor to ground.
Fill in the blank(s) with the appropriate word(s).
How does a thermoelectric device (TED) work?
A) Uses an electric current passed through coolant B) A type of resistance heating C) When electrical current flows through the module, one side is heated and the other side is cooled D) Using a temperature-controlled thermostat in the cooling system to control coolant temperature.