A diode can be added to the discharge path for a 555 astable multivibrator to obtain duty cycles that are less than 50%
Indicate whether the statement is true or false
TRUE
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The GFRC skin is obtained by
A) spraying the mix over a mold. B) casting the GFRC mix in a mold similar to casting a precast concrete member. C) applying the mix with a trowel. D) any of the above, depending on the panel fabricator.
Surface cracks can be located by using either a liquid penetrant or a _____ inspection process.? ?
A. grinding? B. slag removal? C. magnetic particle? D. preheating?
An AND gate logic device has six input lines. How many combinations of ones and zeros produce a one-level output? How many combinations will produce a zero-output from the device?
What will be an ideal response?
The progenitor of humanism was
a. Cassandra Fedele. b. Francesco Petrarcha. c. Cosimo de Medici. d. Gentile Bellini.