Technician A says that the current flow through a rear-window defogger can be often self-regulating. Technician B says that as the temperature of the grid decreases, its resistance decreases, reducing current flow. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A
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Load moves along girder BCDE. Draw the influence lines for the reactions at supports A and D, the shear and moment at section C, and the moment at D. Point C is located directly above support A.
Which type of diesel injection produces less noise?
A) Indirect injection (IDI) B) Distributor injection C) Common rail D) Direct injection
How many blower motors does a window air conditioner have?
A) Two - an evaporator fan motor and a condenser fan motor. B) One - a single double-shafted blower motor is used for both the evaporator and condenser fans. C) Two - a low-speed blower motor and a high-speed blower motor. D) None - window air conditioners do not require a blower motor because they are not connected to a duct system.
Two technicians are discussing coil-on-plug ignition systems. Technician A says that they can be called coil-near-plug or coil-by-plug ignition systems. Technician B says that some can use ion sensing. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician