Sound insulation - Samenvattingen, Notities en Examens

BUILDING TECHNOLOGY QUESTIONS AND ANSWERS ALREADY PASSED What is meant by "building envelope"? The building envelope refers to the physical barrier between the interior and exterior of a building, including walls, roofs, windows, and doors. How does passive solar design contribute to energy efficiency? Passive solar design utilizes natural sunlight for heating and lighting, reducing the need for artificial energy sources and lowering utility costs. What is the function of a vapor...

S-12 S-13 Standpipe and Sprinkler Practice Questions with Certified Solutions "Fail Safe" when referred to in locks, means that the door can be opened if the power fails Where does the on-duty Building Evacuation Supervisor report when an alarm is activated? To the Fire Command Station ( To act as Fire Safety Director when the FSD or a Deputy FSD is not required to be on duty). "RCNY" is the abbreviation for Rules of the City of New York A fire alarm box is painted plain red (no stripe). ...

Az ROC Trade Exam B-3 License Correctly Solved Already Passed A+ Nails used for installing Hardboard panel siding vertically must accommodate the sheathing and penetrate the framing a minimum of how much? *ANS* 1-1/2 inches When framing openings in floors with a header and trimmer joists, what maximum header joist span is allowed with a single member header? *ANS* 4 feet Above the handrail and below the head, what is the minimum clear opening on a stairwell? *ANS* 36 inches When inst...

Acoustical Insulation Correct Answer-The general application or use of asbestos for the control of sound due to its lack of reverberant surfaces Acoustical Tile Correct Answer-A finishing material in a building usually found in the ceiling or walls for the purpose of noise control Actinolite Correct Answer-One of the six naturally occurring asbestos minerals. It is not normally used commercially. addenda (n) Correct Answer-Changes made to working drawings and specifications for a buildi...

MMET 281 Exam 2 Questions and Answers Graded A+ Why is there a delay in the extrusion process at the very beginning? Back pressure resists the extruded part from exiting the die Define back pressure. A resistance or force opposing the desired flow of fluid Define Expanded Materials. Materials containing pores True or False: Cellular materials come in closed and open cell forms. True Describe the structure of the cells in a closed cell material. Cells are discrete and separate ...

PDD Final Exam 2 Questions & Answers 100% CORRECT 2024/2025 Why would you fill a hollow CMU? - ANSWERSGrout: easy-flowing cementitious material poured into a CMU wall from the cavity openings in the top every four feet as the wall goes up. Used for compressive strength, horizontal rebar and vertical rebar added for tensile strength. Used for load-bearing walls (including those that resist seismic). See here to learn more Hollow: CMU cells with air are better insulators than grout-filled,...

PDD Exam Sec 1 Questions & Answers 2024/2025 Does duct lining quiet a duct? - ANSWERSInternal duct lining quiets fan noise moving through ductwork a LOT (but has air quality concerns from (1) mold growing in the fibrous dark liner and (2) particulates from the fibrous lining fibers blowing loose and swirling around the room and in your lungs) External duct lining fails to quiet a duct Flexible duct: If the last 3 to 12 feet of a duct run is swapped for flexible duct (which also allows tol...

0-20 DB Sound Level - Loudness: Very Faint Source: Whisper (5) 100-200 DB Sound Level - Loudness: Deafening Source: Generator (5) 20-40 DB Sound Level - Loudness: Faint Source: Quiet Conversation (5) 4 Primary Project Delivery Methods - - Design Bid Build - Design Build - CMAR - Multiple Prime Contracts (2) 4 Types of Shifting - Settlement, Upheaval, Sliding, Liquefaction. (4) 40-60 DB Sound Level - Loudness: Moderate Source: Average Conversation (5) 60-80 DB Sound Level - Loudness:...

AQA AS PHYSICS 7407/1 Paper 1 Mark scheme (Test Bank) June 2024 With 100% Correct Questions And Answers uses of friction - - rubbing hands for warmth - break pads on bikes Efficiency = - Useful Energy Output / Total Energy Input Increase efficiency - - add lubricant - reduce friction internal energy - the sum of the kinetic and potential energies of all particles in the system Conduction - The direct transfer of heat from one substance to another substance that it is touching...

PDD Final 2024 Exam Questions & Answers CMU Block Fill Options - ANSWERS1. Grout 2. Vermiculite 3. Perlite 4. Polystyrene Bead Insulation 5. Injection Foam Grout (CMU Block Fill) - ANSWERSeasy-flowing cementitious material poured into a CMU wall from the cavity openings in the top every four feet as the wall goes up. Used for compressive strength, horizontal rebar and vertical rebar added for tensile strength. Used for load-bearing walls. Hollow CMU Block - ANSWERSCMU cells with a...