High School

The overall valve lift [tex]$L_v$[/tex] for a vehicle is given by [tex]$L_v = L_c R$[/tex], where [tex]$L_c$[/tex] is the lift at the cam and [tex]$R$[/tex] is the rocker-arm ratio.

Find the overall valve lift if the lift at the cam is 0.370 in and the rocker arm ratio is 1.70.

The overall valve lift is [tex]\square[/tex] in.

(Type an integer or a decimal.)

Answer :

To find the overall valve lift [tex]\( L_v \)[/tex], we'll use the formula:

[tex]\[
L_v = L_c \times R
\][/tex]

where:
- [tex]\( L_c \)[/tex] is the lift at the cam.
- [tex]\( R \)[/tex] is the rocker-arm ratio.

Given:
- [tex]\( L_c = 0.370 \)[/tex] inches
- [tex]\( R = 1.70 \)[/tex]

Substitute the given values into the formula:

[tex]\[
L_v = 0.370 \times 1.70
\][/tex]

Now, multiply these numbers:

[tex]\[
L_v = 0.629
\][/tex]

Therefore, the overall valve lift is [tex]\( 0.629 \)[/tex] inches.

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