Los tipos de aparatos de iluminación en el plano de planta de la Figura 1 se identifican mediante _____.
a. una letra en un triángulo
b. una letra en un cuadrado
c. un número en un triángulo
d. un número en un cuadrado
a. una letra en un triángulo
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The ____ emits a high-frequency sound wave and then detects the echo when it bounces off the object.
a. photodetector b. ultrasonic detector c. proximity detector d. proximity sensor
?A method in which raised, rigid printing plates are inked and pressed against the plastics part while transferring an image is called ____.
A. ?letterflex B. ?plating C. ?letterpress D. ?engraving
If a seal?s face is acceptably flat, an interference test will show _____
a. six lines or more b. three lines or less c. five lines or more d. six lines or less
Specific volume is the term used to indicate the space a weight of gas will occupy.
Answer the following statement true (T) or false (F)