?While discussing idler arms:
A. ?A worn idler arm has no effect on front wheel toe.
B. ?A partially seized idler arm bearing increases steering effort.
C. ?Some idler arms contain a tapered roller bearing.
D. The idler arm bracket is bolted to the upper control arm.
Answer: B
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Answer the following statement(s) true (T) or false (F)
1, An electrician must know the symbols and terms used in automatic control diagrams to be able to wire, install, troubleshoot, and maintain automatic control equipment. 2. Remote control of a controller uses contactors, relays, pushbuttons, sensors, and possibly electronics. 3. Magnetic switches used in controllers cannot be used with remote control and are expensive. 4. The manufacturing and materials-handling industries can predict maintenance with great certainty and help with failure analysis based on E stop systems. 5. SCADA connections and RTUs and HMIs are increasingly being connected through systems that uses a manufacturer-specific protocol for each component.
Which of the following is an example of a positive displacement pump?
A) Axial B) Rotary screw pump C) Multi-stage centrifugal D) Single-stage centrifugal
An auxiliary view that shows only the inclined surface is called a
A. A primary auxiliary view B. A partial auxiliary view
A negative shunt clipper with an RS of 1.2 k? and an RL of 6.8 k? is across a sine wave ac source with peak input values of ±15 V. What is VL at the positive peak?
A) 1.5 V B) 2.25 V C) 8.5 V D) 12.75 V