The three parts of a service call are _____
a. writing a service ticket, servicing, and submitting a bill
b. technical competence, cleanliness, and speed of service
c. unloading tools, fixing equipment, and repacking tools
d. opening, service, and closing
d
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At -12°C, refrigerant R-134a has vf = 0.0007498 m3/kg and vg = 0.1068 m3/kg. 3 kg of a saturated mixture of R-134a at -12oC has a quality of 0.93. Determine the specific volume and the total volume of the R-134a.
Given: vf = 0.0007498 m3/kg; vg = 0.1068 m3/kg; x = 0.93; m = 3.0 kg What will be an ideal response?
As shown in the accompanying figure, backlash is the amount that a tooth space is greater than the engaging tooth on the pitch circles of two gears. Determine the average backlash of a gear with a working depth of 0.7764 inches using this formula: Average backlash = 0.030/P. Round to four decimal places.
What will be an ideal response?
Geothermal heat pumps use the ____________________ or ____________________ as a heat source or a heat sink.
Fill in the blank(s) with the appropriate word(s).
Control transformers are generally protected by fuses or ____________________.
Fill in the blank(s) with the appropriate word(s).