Related Words

Constant Speed: A DC motor which changes speed only slightly from a no load to a full load condition. In AC motors, these are synchronous motors.

Overspeed Condition: A condition of the propeller operating system in which the propeller is operating above the RPM for which the governor control is set. This causes the propeller blades to be in a lower angle . . . View Full Definition

Non-Harmonic Constants: Tidal constants such as lunitidal intervals, ranges, and inequalities which may be derived directly from high and low water observations without regard to the harmonic constituents of the ti . . . View Full Definition

Plancks Constant: A proportionality constant that relates the energy carried by a photon to its frequency. Planck's constant has a value of 6.6262 × 10-34 J s.

Multi-Speed Motors: A motor wound in such a way that varying connections at the starter can change the speed to a predetermined speed. The most common multi-speed motor is a two speed although three- and four-s . . . View Full Definition

Prepayment Speed: Also called speed, the estimated rate at which mortgagors pay off their loans ahead of schedule, critical in assessing the value of mortgage pass-through securities.

Shutter Speed: The speed at which a digital camera's shutter exposes the image sensor to light. A shutter speed of 1/60 means that the sensor is exposed to light for 1/60th of a second. Faster shutter spee . . . View Full Definition

Rate Constant: A rate constant is a proportionality constant that appears in a rate law. For example, k is the rate constant in the rate law d[A]/dt = k[A]. Rate constants are independent of concentration . . . View Full Definition

Modem Speeds: The speed at which you connect to the Internet through your computer's modem. They include 14.4, 28,8, 33.6 and ISDN. T1 and T3 are high speed connections that don't require a modem.

Loan Constant: The annual payment required per dollar of a mortgage loan, including principal and interest.