Rectangular sheet metal ducts are joined together using

A) mastic B) S-locks and drives cleats
C) duct tape D) flanges and bolts


B

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?An advantage of a(n) _____ contract is that the contractor does not have to allow for unforeseen problems.

A. ?cost-plus B. ?lump-sum C. ?fixed-sum D. ?presale

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Which of the following was NOT true of the new Japanese government installed by General Douglas MacArthur in 1946?

A. It joined an American military alliance to prevent the spread of communism in East Asia. B. It pledged itself to providing for women's equality. C. It introduced a Western-style democratic constitution. D. It paved the way for a spectacular economic recovery. E. It renounced militarism.

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The subsequent problems deal with the circuit below:When Vin is negative (e.g., ?2V) and the diodes are assumed to be ideal (no drop), Vout (assuming the polarity shown) is equal to

A. Vin/2 (e.g., ?1 V) B. Vin (e.g., ?2 V) C. 0 D. ?Vin/2 (e.g., 1 V) E. ?Vin (e.g., 2 V)

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Which of the inputs of a J-K flip-flop are synchronous?

A) J, K, and C B) S and R C) R, J, and K D) All of the above are synchronous.

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