Which scientist developed a means of vaccinating animals to make them immune to disease?

A. Louis Pasteur
B. Louis Anthrax
C. Justin Morrill
D. Ben Morgan


Answer: A

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Testing of an alarm system is being discussed. Technician A says that if the system fails to operate with the relay by-passed. The relay is defective. Technician B says the relay is generally tested with an ammeter. Who is correct?

A. Technician A only B. Technician B only C. Both Technician A and B D. Neither Technician A nor B

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The dead-load supports for each stone slab (in a stone -clad wall) are generally _________.

A) two, placed at the same level at quarter points. B) three, placed at the same level at one-third points. C) two, placed in the center of the slab, one above the other. D) four, placed at the same level at quarter points. E) two, placed at the same level at one-third points.

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The rafters on your barn make an angle of 35° with the horizontal. What angle does the rafter make with the vertical at the ridge cap?

What will be an ideal response?

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A mini-wind tunnel for calibrating vane or hotwire anemometers costs $3750 in 2011 when the Marshall and Swift (M&S) equipment cost index value was 1490.2. If True-Tech Instruments esti­mated the cost of a wind tunnel twice as large to be $10,200 in 2016, what did it expect the equipment cost index value to be, provided the equipment cost increased accordingly? The cost-capacity equation exponent is 0.89.

What will be an ideal response?

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