Organizations that provide duct installation standards and guidelines include
A) EPA and OSHA
B) ACCA and SMACNA
C) AHRI and HVAC Excellence
D) Underwriters Laboratories and the National Fire Protection Association
B
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Which two current tech moguls fused their companies into PayPal?
A. Joe Lonsdale, John Doerr B. Bill Gates, Jeff Bezos C. Elon Musk, Peter Thiel D. Reid Hoffman, Marissa Mayer
What is the factory scan tool for Toyota vehicles?
A) Tech 2 B) IDS C) Snap-On D) Techstream
A semiconductor is a material ________
A) With exactly four electrons in the outer orbit of its atoms B) Determined by other factors besides the number of electrons C) With fewer than four electrons in the outer orbit of its atoms D) With more than four electrons in the outer orbit of its atoms
An astable 555 timer is designed using the following external components: RA = 2 k?, RB = 6.5 k? , C = .01 ?F. Calculate time LOW (tLO)
A) 105 ?sec B) 550 ?sec C) 45 ?sec D) 325 msec