The velocity of piston in a reciprocating steam engine is given by (where = Angular velocity of crank, r = Radius of crank pin circle, = Angle turned by crank from inner dead center and n = Ratio of length of connecting rod to the radius of crank)

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Theory of Machine

The velocity of piston in a reciprocating steam engine is given by (where $$\omega $$ = Angular velocity of crank, r = Radius of crank pin circle, $$\theta $$ = Angle turned by crank from inner dead center and n = Ratio of length of connecting rod to the radius of crank)

A) $$\omega {\text{r}}\left( {\sin \theta + \frac{{\sin 2\theta }}{{\text{n}}}} \right)$$ B) $$\omega {\text{r}}\left( {\cos\theta + \frac{{\cos2\theta }}{{\text{n}}}} \right)$$ C) $${\omega ^2}{\text{r}}\left( {\sin \theta + \frac{{\sin 2\theta }}{{\text{n}}}} \right)$$ D) $${\omega ^2}{\text{r}}\left( {\cos\theta + \frac{{\cos2\theta }}{{\text{n}}}} \right)$$

Answer & Solution

Correct Answer: Option A

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Question posted by Examveda

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3 Comments

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Rajan Mech 6 years ago

Diveded by 2n is the right answer

Kudrat Sharma 7 years ago

The formula is v = rw(sin theta +( sin 2 theta/ 2n ) )

Kudrat Sharma 7 years ago

The formula is v = rw(sin theta +( sin 2 theta/ 2n ) )

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The velocity of piston in a reciprocating steam engine is given...

The velocity of piston in a reciprocating steam engine is given by (where $$\omega $$ = Angular velocity of crank, r = Radius of crank pin circle, $$\theta $$ = Angle turned by crank from inner dead center and n = Ratio of length of connecting rod to the radius of crank)

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