Which of the following is a advantage of a chain and sprocket over a pulley and belt system?

A) Cost

B) Strength

C) Noise

D) Spacing

36. Technician A says that whenever drum brake shoes are being replaced, the drum brake hardware should be cleaned in a parts washer and re-used.

Some organizations prohibit workers from bringing certain kinds of devices into the workplace, such as cameras, cell phones, and USB drives. Some businesses require employees to use clear or see-through backpacks when carrying personal items.

Which component stores energy as potential energy in a mechanical system?

Unwanted resistance is being discussed. Technician A says that unwanted resistance can be caused by a loose ground connectic Technician B says that unwanted resistance can be caused by corrosion at a connectior Who is correct? a. Technician A c.

A waste treatment pond is 50m long and 25m wide, and has an average depth of 2m. The density of the waste is 75.3 lbm/ft3. Calculate the weight of the pond contents in lbf, using a single dimensional equation for your calculation.

Just getting to your class is enough for showing up. A) True B) False

A completely reversible heat pump produces heat at a rate of 100 kW to warm a house maintained at 25℃. The exterior air, which is at 0℃, serves as the source.

A closed system undergoes a process in which work is done on the system and the heat transfer Q occurs only at temperature Tb. For each case, determine whether the entropy change of the system is positive, negative, zero, or indeterminate.

A scientist who is evaluating an ancient human skeleton for signs of vitamin and nutrient deficiency is conducting:

Which of the following is required in order to make a protected left turn A. A left green arrow B. No oncoming traffic C. A left turn only lane D. A large enough gap