Describe how to deal with leaks around attic hatches.
What will be an ideal response?
Fit the hatch as tightly as possible within its frame. Weather strip all sides where they meet the frame. Insulate the top of the hatch with as much insulating R-value material as the rest of the attic. Use rigid Styrofoam or similar material.
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The only advantage to grooving a lap joint is ____.
A. to give additional clearance B. to strengthen the weld C. to increase penetration D. to improve the design
Using the diagram above and given the following dimensions: A is 17/32', B is 1 1/16', C is 2 29/32', E is 3 7/64', X is 33/64', and W is 2 13/64', what is the dimension of F in feet?
What will be an ideal response?
In an in-line 6 cylinder diesel engine, what is the spacing between power strokes?
A. 60 degrees B. 90 degrees C. 120 degrees D. 180 degrees
Air enters a nozzle with a diameter of 4 cm at 10 m/s, P1 = 400 kPa, and T1 = 60ºC. It exits at a diameter of 2 cm at atmospheric pressure. The maximum possible exiting velocity is nearest:
A) 470 m/s B) 410 m/s C) 320 m/s D) 260 m/s