Ashworth Lesson 2: Careers for mechanics and technicians exam

What's a disadvantage of highest MERV-rated filters? 1) the pressure drop across high MERV filters is less. 2) high MERV filters require at least a 240 V power supply. 3) the pressure drop across high MERV filters is significant.

Where are NIST's primary locations?

1. Which of the following are the lines defining the borders of a shape? (1 poz Oborders O curves O faces O edges

An Ideal gas is being heated in a circular duct as while flowing over an electric heater of 130 kW. The diameter of duct is 500 mm. The gas enters the heating section of the duct at 100 kPa and 27 deg C with a volume flow rate of 15 m3/s.

Sophia is designing a new welding shop for the local high school. Where should the compressed gas and fuel cylinders be stored?

Compared to 15 mph on a dry road, about how much longer will it take for you to stop at 30 mph on a snow-covered road? 2 to 3 times 4 to 6 times 8 to 10 times

Explain under what circumstances earthworm channels might increase downward saturated water flow, but not have much effect on the leaching of soluble chemicals applied to the soil.

The hot combustion gases of a furnace are separated from the ambient air and its surroundings, which are at 25 oC, by a brick wall 0.15 m thick. The brick has a thermalconductivity of 1.2 W/m. K and a surface emissivity of 0.8.

Which of the following statements do not correctly describe pull manufacturing? (1). Material flow is determined by the need of the downstream workstation (2). Control is transferred from the beginning of the line to the end (3).

VV 6. What device has high-current contacts that connect the battery to the cranking motor?