The symbol ____ is often used to represent the values for dead loads.
A. DL
B. LL
C. FL
D. RL
Answer: A
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The most popular universal joint design is called a ____.
A. ball and trunnion B. pumpkin C. cross and yoke D. swing axle
Poor people today pay a greater proportion of their incomes for cereal foods (wheat, rice, corn) than they did just 30 years ago
Indicate whether the statement is true or false
Which of the following statements about metal in-ground structural support grounding electrodes is not true?
A. It is considered a grounding electrode if one or more of the steel members is in direct contact with the earth for 10 ft (3.0 m) or more. B. It is considered a grounding electrode if 10 ft (3.0 m) or more of one or more of the steel members is encased in concrete that is in direct contact with the earth. C. It is an above-ground metal frame that is bonded to a concrete-encased grounding electrode. D. It is considered a grounding electrode if a steel column is driven into the ground 6 ft (1.8 m) to hardpan.
When the TCu output of a 74192 BCD up/down counter goes active, it means
A) the counter has counted down to 0. B) the counter has been loaded with number 9. C) the counter has changed to counting up. D) the counter has counted up to 9.