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
To calculate the frequency in a diesel engine, you need to determine the engine's RPM (revolutions per minute) and the number of power strokes per revolution. The frequency can be calculated using the formula: Frequency (Hz) = (RPM × Number of Power Strokes) / 60. For a four-stroke engine, the number of power strokes is typically 1 per 2 revolutions, while for a two-stroke engine, it is 1 per revolution. Adjust the formula accordingly based on the engine type.
To calculate the beats per minute in music, you can use a metronome or a timing device to count the number of beats that occur in one minute. This will give you the BPM (beats per minute) of the music.
880.57 US gallons 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.
miles per hour x 88 = feet per minute
SPM, or strokes per minute, in a power press is calculated by measuring the number of complete cycles the machine performs in one minute. To determine this, you can use a stopwatch to time how many strokes occur in a specific duration (like 10 or 30 seconds) and then multiply that number to extrapolate to a full minute. For example, if you count 20 strokes in 10 seconds, you would multiply 20 by 6 to get an SPM of 120. Additionally, some presses may have built-in counters that display the SPM directly.
Hypertension, clots, strokes, migranes...