How does an economizer reduce HVAC operating costs?
a. It reduces compressor speed.
b. It uses cool outdoor air for cooling.
c. It uses a variable-speed blower motor.
d. It runs during off-peak energy use hours.
b
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Answer the following statements true (T) or false (F)
1. Employees look to the manager as both their guide and their advocate. 2. A delegator communicates with management on the employee's behalf, making sure that their department receives the proper resources and support that it needs. 3. Work units frequently call upon their managers to make decisionsNsmall and largeNlike a judge. 4. An advocate is like a pipeline; he or she assures that something of value gets from one place to its intended destination. 5. Employees do not feel the need to work hard and go above and beyond the call of duty when they feel the manager is willing to step up instead.
All power windows fail to operate from the independent door switches but all power windows operate from the master switch. Technician A says that the window lockout switch may be on. Technician B says that the power window relay could be defective. Who is right?
A) Technician A only B) Technician B only C) Both A and B D) Neither A nor B
Helical gears have their teeth cut at an angle, allowing more than one tooth to be in contact.
Answer the following statement true (T) or false (F)
Mechanical elevations like architectural elevations, show how ________ should look when the installation is completed.
Fill in the blank(s) with the appropriate word(s).