If you rub a balloon on a wool sweater, which of the following will result?
A. Balloon acquires a positive charge
B. Balloon acquires a negative charge
C. Balloon bursts
D. Balloon becomes electrically neutral
Answer: B
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The temperature of the air as read on a standard conventional thermometer is called the __________.
a. wet-bulb temperature b. dry-bulb temperature c. relative humidity d. dew point
Airflow through an axial fan is:
A) From the inside of the fan blade outwards in a radial pattern. B) Parallel to the fan shaft. C) Perpendicular to the fan shaft. D) At a 45° angle to the fan shaft.
(a) For the T network in Fig. 19.106, show that the h parameters are:
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 figure 2.png)
Which of the following tasks is NOT implemented, when adding the JSR, SBR and RET instructions in the development of ladder logic?
A) Increase the scan time. B) Reduce ladder rung count. C) Return results from another program to be used in the main routine. D) Organize a program into smaller blocks of ladder logic.