Explain the relationship between frequency and period.
What will be an ideal response?
The period of a sine wave is inversely proportional to its frequency. The higher the frequency, the shorter the period. The relationship between the frequency and the period of a sine wave is expressed as: f = 1/t where f = frequency and t = period.
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a. Radios b. Hand signals c. Flags d. Flashing lights
____ has randomly distributed fibers incorporated into the concrete mix with the object of improving the tensile strength of the concrete and increasing the concrete's ability to resist cracking and deformation.
A. GRC B. FRC C. DRC D. TRC
When must a two-pipe oil delivery system be used?
A) When using a high firing rate burner B) Only when the oil burner is a dual firing rate burner C) When the burner is above the tank and must lift the oil D) When the burner is at or below the level of the oil tank
What term refers to the fluid flow in a torque converter in a stopped vehicle with the engine idling?
What will be an ideal response?