The ____ position is the most commonly used pipe welding position.

A. 6G 45 degree inclined
B. 2G vertical fixed
C. 5G horizontal fixed
D. 1G horizontal rolled


Answer: C

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A _____ attaches and clamps the corner pole to allow a level line to be attached for backup work and face brick to be run alternately.

A. face clamp B. line extender C. masonry guide D. composite level

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An enhancement-type MOSFET can operate with a positive value of VGS

Indicate whether the statement is true or false

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To calculate the bandwidth of a bus, you would ________

A) divide the transfer speed by the clock frequency B) multiply the bus width by transfer speed C) multiply the clock frequency by the bus width D) divide the transfer speed by the bus width

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In a lot of 10 components, 2 are sampled at random for inspection. Assume that in fact exactly 2 of the 10 components in the lot are defective. Let X be the number of sampled components that are defective.

a. Find P(X=0). b. Find P(X=1). c. Find P(X=2). d. Find the probability mass function of X. e. Find the mean of X. f. Find the standard deviation of X.

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