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The low side pressure gauge reads pressures:

35 psig is equal to __________ psia?

A digital sling psychrometer ___________

Please mark True or False for the items below: 1. Inertia Measurement Units are one method used to track objects moving in the real world.[1] 2. Camera based systems are exclusively used for stationary objects and cannot track moving objects. [2] 3. Lasers are not used for tracking moving objects in the real world. [3] 4. Mechanical linkages provide a way to track moving objects through physical connections. [4] 5. Electromagnetic trackers are one of the technologies used to track objects moving in the real world. [5]

Mark True or False regarding tracking systems. 1. Inertial Measurement Units merge accelerometers and gyroscopes, often alongside a magnetometer. [1] 2. For tracking in VR, we typically care about linear acceleration or angular velocity, not position and orientation. [2] 3. Integration converts measurements of velocity or acceleration in positions and orientations. [3] 4. Drift is typically corrected by additional sensors. [4] 5. Mechanical Linkage Systems use sensors at joints to detect angles, and compute a position. [5]  

Which major refrigeration cycle component absorbs heat into the liquid refrigerant causing it to boil into a vapor?

A customer has an older 80,000 Btu/h oil furnace and wants to replace it with an electric furnace. Approximately what size electric furnace will they need? (disregard efficiency) (1kw = 3413 Btu/kWh)

 Which are true of gas shut off valves? 

Select the option that completes the sentence correctly. Lenses use ____________ to focus (or disperse) light. Focusing light means making it __________ to a point.  The lens in our eyes is capable of ___________________, which enables the eye to focus on near and approaching objects.

Regarding Head Tracked Displays, please mark True or False for the items below: 1. Head Tracked Displays (HTDs) track the location of the user’s head and update the image shown based on the user’s perspective. [1]  2. Fishtank VR is not considered a type of Head Tracked Display. [2]  3. One of the pros of HTDs is that they obscure the real world. [3]  4. A con of HTDs is that they have a larger physical footprint compared to other VR systems. [4]  5. Most HTDs are not stereoscopic. [5]