Can we use has been in present perfect tense? The present perfect continuous is formed with have/has been and the -ing form of the verb. We normally use the present perfect continuous to emphasise that something is still continuing in the present: She has been living in Liverpool all her life. It’s been raining for…
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What is the formula of piston displacement?
What is the formula of piston displacement? Stroke is the distance a piston moves over the course of a revolution. With this in mind, the mathematical formula for displacement is: the number of cylinders multiplied by bore squared, multiplied by the stroke, multiplied by Pi divided by four. What is total displacement in engine? Engine…