CE 1103 Week 2 Assessment
• Question 1
±2 standard deviations represent what percentage of the distribution?
• Question 2
Safety requirements for the general public require a use zone of 6 feet to surround stationary playground equipment. What are the minimum measurements for the placement of monkey bars that are 7 feet tall and have an 10' x 8' footprint?
• Question 3
.75 kg is equal to __________ milligrams
• Question 4
If a bus is going 45 miles per hour, how many feet per second does this equal?
• Question 5
A 2,000-pound load is lifted with a two-leg sling whose legs are at a 30-degree angle with the load. The stress on each leg of the sling is:
• Question 6
Given the following numbers-10, 10, 15, 25, 35-what is the median?
• Question 7
You have an area with a noise of 102 dB. If you supply your workers with ear muffs (NRR=30) and ear plugs (NRR=27), are they allowed by the Occupational Safety and Health Administration (OSHA) to work in this area for an eight-hour day?
• Question 8
Given the following numbers-12, 12, 15, 25, 35-compute the sample standard deviation.
• Question 9
What will the pressure be in a vehicle tire that reads 30 psig at 32 degrees F when heated to 120 degrees F by high-speed driving?
• Question 10
Your plant manufactures electronic parts. These parts are moved throughout the plant using two types of four wheel handcarts, type "A" which weigh 50 pounds and type "B" which weigh 75 pounds. The coefficient of friction for both carts is 0.12. The handles (push bars) on the "A" handcarts are 36 inches from the floor and 40 inches from the floor on the "B" handcarts. What weight can be carried in the "A" cart with a 15 kg pushing force (assume a push of 100 feet once per 8-hour work shift)?
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