Drywall, also referred to as____ board, is a construction material used for finished wall and ceiling surfaces and is made of kiln-dried gypsum pressed between fiberglass mat or paper facing.
A. gypsum
B. fiberglass
C. plaster
D. wheat
Answer: A
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Cuando se construyen apun- talamientos de madera ajus- tables con sujetadores de apuntalamientos EllisTM, el sujetador de apuntalamiento superior debe estar ubicado _____ por debajo de la parte superior del poste del apun- talamiento inferior.
a. 2" b. 4" c. 6" d. 8"
A(n) ____ measures the volume of air entering the engine.
A. airflow sensor B. speed density sensor C. hot wire MAF sensor D. heated resistor MAF sensor
The bottom of an extension ladder should be set back one foot for _____
a. each foot of ladder length b. each two feet of ladder length c. each three feet of ladder length d. each four feet of ladder length
What is the minimum distance that a small remotely piloted aircraft must remain from a non-participating person in basic operations?
A. 20 metres. B. 1/2 nautical mile. C. 100 feet. D. 500 feet.