Hvac exam 1 - Study guides, Class notes & Summaries

CSLB B LICENSE GENERAL CONTRACTOR EXAM- QUESTIONS & ANSWERS (100% VERIFIED) CSLB B LICENSE GENERAL CONTRACTOR EXAM- QUESTIONS & ANSWERS (100% VERIFIED) If unused mortar stiffens due to hydration of cement, what must you do? - ANSWER - Discard the mortar What minimum time must you wait before caulking or grouting new tiles? - ANSWER - 24-48 Hours How long should you wait before installing tile on a shower pan? - ANSWER - 24 Hours Unstable dry rock, angular gravel, sandy loam, and coh...

HVAC Exam 1 Questions and Answers (latest Update 2024)

Current flow is: - ANSWERThe flow of electrons in the circuit. Impedance is: - ANSWEROpposition to alternating current flow. Like charges; - ANSWERrepel each other. Any material that will readily release electrons is called; - ANSWERA conductor The symbol for current is; - ANSWERI Which of the following materials would be best suited for use as a semi-conductor? - ANSWERsilicon The safety ground conductor is usually color coded; - ANSWERgreen or bare. An electron has; - ANSW...

CSST Exam Study Prep (Review in progress... again. 12/3/18) Questions meant to assist in studying for the California OSHA Division of Occupational Safety Health certified site surveillance technician (CSST) Exam 2024 Why was asbestos added to construction materials ? -Answer-It was a great insulator and binder. It added strength and durability against weathering and use. It was non-corrosive, did not conduct electricity, and made spray-on products easier to apply. What are the two classes ...

HVAC EPA 608 Certification Study Guide Latest Update Actual Exam 100 Questions and 100% Verified Correct Answers Guaranteed A+

What is current flow? - ANSWERThe flow of electrons in the circuit. What is impedance? - ANSWEROpposition to alternating current flow Like charges will.... - ANSWERrepel each other Any material that will readily release electrons is called.... - ANSWERA conductor The symbol for current is.... - ANSWERI Electricity can produce... - ANSWERHeat, light, magnetism (all of the above) The safety ground conductor is usually color coded..... - ANSWERGreen An electron has... - ANSWERa...

USGBC & LEED CERTIFICATION - Answer performance based rating system to measure how "green" a building COMFORT - Answer satisfaction with the thermal environment USUALLY DEFINED IN TERMS OF DRY BULB (DB) AND RELATIVE HUMIDITY (RH) A BUILDING IS CONSIDERED COMFORTABLE WHEN... - Answer when 80% or more of the occupants will find the environment thermally acceptable BUILDING CONDITIONS CAN IMPACT STUDENT ACHIEVEMENT BY AS MUCH AS - Answer 17% ANY TEMP OVER _____ HAR...

Heat which causes a change in temperature of a substance is called. - ANSWERsensible heat. Heat added to a substance without a rise in temperature; (example: