The rebar-tying method shown in the figure is called a _____
a. wrap-and-tie
b. standoff tie
c. bar hitch
d. nail-head tie
d
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Technician A says that glow plugs are used to help start a diesel engine and are shut off as soon as the engine starts. Technician B says that the glow plugs are turned off as soon as a flame is detected in the combustion chamber. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
One difference between refrigerant piping practices for air conditioning systems and refrigerant piping practices for commercial refrigeration systems is that:
A) Suction lines are typically larger for air conditioning applications for the same capacity of commercial refrigeration systems. B) Most air conditioning manufacturers do not recommend oil traps. C) The suction lines on air conditioning systems do not require insulating because of their higher temperature. D) Most commercial refrigeration system manufacturers do not recommend oil traps.
For which of the following actions is the last part of the evaporator used?
A) Superheating the refrigerant B) Raising the liquid percentage C) Lowering the liquid percentage D) Increasing the vapor percentage
The promotion of fluid milk and cheese receives the highest priority for use of advertising checkoff
money.
Indicate whether the statement is true or false.