Technician A says that the coolant heat storage tanks used in some HEVs are made of an inner and outer casing with pressurized gas in between for insulation. Technician B says that coolant heat storage tanks in HEVs contain a vacuum between the inner and
outer linings. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician a nor B
B) Technician B only
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Plunger to barrel clearances are lapped in manufacture in port-helix metering injection pumps to tolerances between:
A. one half and one micron B. two and four microns C. six and eight microns D. ten and twelve microns
The electrical cord of a power tool should be checked for broken insulation, plugs, bare wires, etc.,
every time you use it.
Indicate whether the statement is true or false.Fulvic acids are a major type of non-humic substances
Indicate whether the statement is true or false
You are using the static pressure drop method to check airflow. After making an adjustment to the system airflow, the static pressure drop across the coil increases. This indicates that:
A) Static pressure drop is not a reliable way to check system airflow. B) The evaporator coil became clogged during the adjustment period. C) The airflow has increased. D) The airflow has decreased.