Examples of tasks completed by a(n) ____ include preparing elementary engineering and shop drawings, drawing details, performing revisions and corrections.
A. drafting clerk
B. junior CAD technician
C. introductory CAD assistant
D. drafting technician
Answer: B
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? Identify and state the historical significance of the Columbian Exchange.
What will be an ideal response?
Technician A says there may be three drive shafts connected to a transfer case. Technician B says one drive shaft is connected to the transfer case, directly from the transmission, and the other two are for driving the front and rear axles. Who is correct?
A. A only B. B only C. both A and B D. neither A nor B
Technician A says extra care should be taken when removing and installing the torque converter assembly onto the input shaft, to avoid damaging seals. Technician B says that the transmission oil cooler should be flushed whenever metal particles are found during transmission overhaul. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
A common problem in over-the-air television signal transmission is multipath distortion of the received signal due to the transmitted signal bouncing off structures. Typically a strong “main” signal arrives at some time and a weaker “ghost” signal arrives later. So if the transmitted signal is x t (t), the received signal is
(a) What is the frequency response of this communication channel?
(b) What would be the frequency response of an equalization system that would compensate for the effects of multipath?