The three types of gas space heaters are
A) Vented, unvented, and catalytic
B) Category I, category II, and category III
C) Natural gas, propane, and kerosene
D) Low pressure, medium pressure, and high pressure
A
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In this application of specifying draft on plastic parts, draft is added to the dimension for external dimensions and subtracted from the dimension for internal dimensions.
a. +DFT and –DFT b. +DFT c. –DFT d. +DFT external and –DFT internal
Why are some plants so important in our daily lives?
What will be an ideal response?
Many national and international trade associations have trade shows primarily to:
A) Use them as opportunities to sell tools and service training literature to technicians. B) Entice technicians to join their associations. C) Provide employment for HVACR technicians. D) Display the most current innovations in equipment, tools, and service.
Two ___________________ in close proximity that are separated by some type of insulating material form a device called a capacitor
Fill in the blank(s) with the appropriate word(s).