What is the formula for calculating the volume of small pieces of lumber?
What will be an ideal response?
BF = thickness (in) ? width (in) ? length (in)/144
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Using leader lines and labels, identify the following window elements on the sketch below: (i) rough jamb, (ii) rough sill, (iii) nailing flange, (iv) window head, (v) window sill, (vi) window sash, (vii) muntin, and (viii) window mullion. (Note: To shorten the question, the Instructor may delete some elements or convert into two questions with repeat sketch.)
The EPR valve is installed in the suction line at the evaporator outlet and it ____.
A. modulates the refrigerant vapor to the compressor B. prevents the boiling point in the evaporator from dropping below a pre-set point C. when used with a TX valve the system has the characteristics of maintaining a constant superheat and keeping the pressure from going too low D. All of the above.
Which type resistor is most commonly found in high-power electrical applications?
A) wire-wound resistor B) carbon-composition resistor C) carbon-film resistor D) metal-film resistor
If a 27 m H inductor has a reactance of 5.5 k?, the frequency equals ________
A) 932 Hz B) 32.4 kHz C) 3.24 kHz D) 324 Hz