The steering wheel in a vehicle moves when the body is bounded up and down. Technician A says that bent steering linkage components could be the cause. Technician B says that this is a normal condition. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A
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A free service provided to customers that can be an effective tool in finding addition needed repairs is the _________
A) Service estimate B) Safety inspection C) Price leader D) All of the above
Why do closed hydronic systems include pressure-relief valves, expansion tanks, and temperature and pressure-limiting devices?
A) Because building codes require certain controls on every system B) Because the copper piping used in the system requires these measures C) Because freezing must be prevented and antifreeze may not be added D) Because water expands and contracts as its temperature changes
A plant disease called ____________________ attacked chestnut trees in the United States during the early part of the 20th century
Fill in the blank(s) with correct word
Which of the following is not true about greenhouse vegetable production?
A. Nutrition is less important than for outdoor crops. B. Hydroponics is one type of greenhouse vegetable production system. C. Artificial lighting is used to supplement solar energy. D. Systems are highly mechanized.