Describe torsion springs and define torsion.
What will be an ideal response?
Torsion springs are designed to transmit
energy by a turning or twisting action. Torsion is defined as a twisting action that
tends to turn one part or end around a longitudinal axis while the other part or end
remains fixed.
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The temperature at which moisture in the air will begin to condense is called the _________.
a. wet-bulb temperature b. dry-bulb temperature c. relative humidity d. dew point
What kind of preparation is shown in Figure 4?
a. U-groove
b. Double Flange
c. Double Flare
d. Double J
e. Round
Using Fan Law 1 (shown in the image above), find the new volume of air delivered from a blower if the existing volume is 1,750 cfm, and the blower speed is increased from 850 rpm to 1,000 rpm. (Round your answer to the nearest whole number.)
a. 1,488 cfm b. 2,059 cfm c. 2,400 cfm d. 2,750 cfm
The input transistor (Q 1 ) of a TTL gate acts like
A) an OR gate. B) a NOR gate. C) an AND gate. D) a NAND gate.