What is the function of the centerbolt in a multi-leaf spring pack?
A. acts as a locating dowel to position the axle
B. clamps the spring leaves together
C. its tension helps define the spring pack self-dampening properties
D. all of the above
Answer: D
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A weld symbol identifies:
A. The type of weld B. The size of the weld C. The location of the weld D. All of the above
One side of the AIDS testing controversy are the issues of workplace safety and public health.
The rate of water evaporation in a cooling water tower is approximately:
A) 10 gallons of water per hour for every 10 degrees the water is cooled. B) 1 gallon of the water per hour for every 10 degrees the water is cooled. C) 10 percent of the water supplied to the tower for every 10 degrees the water is cooled. D) 1 percent of the water supplied to the tower for every 10 degrees the water is cooled.
The components of a commercial fan coil unit include:
A) A fan and electric strip heaters. B) A fan, a water coil, a filter, a fresh air supply, and a control system. C) A fan, compressor and condenser. D) A compressor, condenser, metering device, and evaporator.