heart beating?
is this the answer
It is the same thing as the motor's rotor speed given in revolutions per minute.
Basically the circuit to the lamp opens and closes in a specific amount of times per minute. In some models this can be varied with a control circuit that allows the operator to set how many times the lamp is to flash per minute.
Regulation =(Obtained voltage per phase - rated voltage per phase)/rated voltage per phase *100
A synchronous motor will spin at the system frequency. 60 Hz translates into 60*60 = 3600 direction changes per minute. If this is a two pole motor (one north and one south), it will spin 1 rotation per direction change. If it is a four pole motor (two north and two south), it will spin 1/2 rotation per direction change. If this is an induction motor, it will spin at a frequency slightly less than an equivalent synchronous motor; this frequency difference is referred to as slip.
Strokes per minute is not a unit of capacity and hence, there is no correspondence with gallons per minute. Strokes per minute is comparable with rotations or revolutions per minute. SPM is normally used for reciprocating machines, to define the speed. A. R. Pathak
Strokes per hour refer to keystrokes. Usually typing is referred to as words per minute and strokes per hour are for a 10 key.
Strokes 50 strokes a minute is recommended when using low tungsten blades, and 60 strokes a minute is recommended when using high speed steel blades.
key strokes per minute
Count the number of key strokes you make for say 5 or 10 minutes (the longer the better) some random page(s) from a newspaper or book and then divide it by the number of minutes
880.57 US gallons per minute
miles per hour x 88 = feet per minute
Key strokes per minute is a far more accurate way of measuring the speed of someone typing. Words can be 1 to fifteen or more letters, that makes a difference. Examples:- "I" counts as one word and it counts as one keystroke. "contraindicated" would count as only one word, but it counts as fifteen keystrokes.
Hypertension, clots, strokes, migranes...
450 power strokes per-minute 450/60=7.5 power stokes per second
Kspm (key strokes per minute) vs. ksph (key strokes per hour) This is a measurement of speed with typing numbers out on a Ten Key number pad, also known as an adding machine. If you have kspm, then you have a number of key strokes you can hit per minute. Since there are 60 minutes per hour, you merely need to multiply the number you have by 60 to get your ksph. If you have ksph, you have the number of key strokes you can hit in one hour. To find out how fast you can hit keys in a minute, you need to take this number, which represents 60 minutes, and divide it by 60. You will then have the number of keys you can hit in one minute. kspm * 60 = ksph ksph / 60 = kspm
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