If there is a hole in the floor of a structure, the preferred method of protecting workers from falls is to _____
a. cover the opening and label the cover
b. place reflective tape around the opening
c. post a guard at the opening
d. place a warning sign near the opening
a
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A bobsled with two passengers, total mass of 245 lbm, races down a hillside that maintains a constant 32 percent slope. Neglecting air and snow friction, what will be the speed (mph) of the bobsled, when it has traveled 145 ft alone the slope. (gL = 32.2 ft/s²)?
What will be an ideal response?
An animal begins as a single cell, called a:
A. zygote B. nucleus C. cytoplasm D. protoplasm
The following statements are all correct EXCEPT _________
A) Torque is often expressed in pound-feet. B) Torque is the measurement of rotational force. C) Torque always results in movement. D) All of the above answers are correct.
Which of the following transmission gear ratios reduces transmission output shaft speed the most?
A. 3.60:1 B. 2.85:1 C. 1.20:1 D. 0.73:1