What is meant by the term viscosity?
What will be an ideal response?
Viscosity is a measure of the force to shear molecular attraction within a fluid and allow it to flow. If the attraction requires excessive force to move molecules relative to each other, the fluid would be considered highly viscous.
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_____ that are used for hand-threading operations are made from petroleum distillates or synthetic or semisynthetic compounds.? ?
Fill in the blank(s) with the appropriate word(s).
Technician A says that worm bearing preload is also called worm end play. Technician B says that sector lash is also known as gear lash. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
The thermostats on most residential air conditioning systems are:
A) Low voltage thermostats. B) Milli-voltage thermostats. C) Wireless communicating thermostats. D) Line voltage thermostats.
Technician A says that automatic tire pressure control systems (TPCS) can often pay for themselves during the life of a truck due to reduced tire costs. Technician B says that TPCS systems must be spec'd to new truck and may not be retrofit to current trucks. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B