Why is a chain considered a positive drive?
What will be an ideal response?
Because it allows no slip or creep.
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A signal shown in Figure 7.33 amplitude modulates a carrier c(t) = cos (50t). Precisely plot the resulting modulated signal as a function of time.
The ultimate objective of a final proposal is to convince clients to spend more than they should spend for a project that surpasses their needs
Indicate whether the statement is true or false
A heat pump thermostat will typically attempt to start the electric heat to supplement the heat pump when
the setpoint is _____. a. 1°F above the room temperature b. 1°F below the room temperature c. 2°F to 3°F above the room temperature d. 4°F to 5°F above the room temperature
The static pressure at the expansion tank connection when the system is filled is based on the height of the system piping above the expansion tank, the type of fluid used, and a customary allowance for ____ psi pressure at the top of the system for proper operation of the air vents.
a. 1.5 b. 3.33 c. 5.0 d. 7.5