A construction vehicle has a diesel engine with eight cylinders of 5.375-inch bore and 8.0-inch...

Question

A construction vehicle has a diesel engine with eight cylinders of 5.375-inch bore and 8.0-inch stroke, operating on a four-stroke cycle. It delivers 152-shaft horsepower at 1000 RPM, with a mechanical efficiency of 0.60. Calculate:

(a) Total engine displacement. [in.3]

(b) Brake mean effective pressure. [psia]

(c) Torque at 1000 RPM. [lbf-ft]

(d) Indicated horsepower.

(e) Friction horsepower.

David · Accepted Answer

Solution:- 
(a.) 
2 2
5.375 in
8.0
8
. 152
1000
( ) (5.375 )
4 4
, 8
,

A construction vehicle has a diesel engine with eight cylinders of 5.375-inch bore and 8.0-inch stroke, operating on a four-stroke cycle. It delivers 152-shaft horsepower at 1000 RPM, with a...

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