Automotive Technology: Principles, Diagnosis, and Service (5th Edition)
5th Edition
ISBN: 9780133994612
Author: James D. Halderman
Publisher: PEARSON
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Textbook Question
Chapter 33, Problem 4RQ
Why are forged pistons recommended for use in high-performance engines?
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1. An 11.1 liter, 6 cylinder, 4 stroke engine has a 120 mm bore and 125 mm stroke. If its compressions ratio is 16, what is the clearance volume? What is the engine displacement per minute if it runs at 2,000 rpm? If biogas, with an energy content of 4,500 Kcal/m3 will be fueled into the engine, what would be its power output (in KW) considering a 10% brake thermal efficiency?
A diesel engine four-stroke cycle with three cylinders has a cylinder bore of 89 mm and a stroke of 130 mm. The compression ratio is 16:1 and running at a speed of 2000 rpm. What is the piston displacement of the engine per cylinder?
2. A four-cylinder 2.5 L spark-ignited engine is mounted on a dyno and operated at a speed
of W=3000 rpm. The engine has a compression ratio of 10:1 and mass air--fuel ratio of
15:1. The inlet air manifold conditions are 80 kPa and 313 K. The engine produces a torque
of 160 Nm and has a volumetric efficiency of 0.82.
(a) What is the brake power Wb (kW)?
(b) What is the brake specific fuel consumption bsfc (g/kWh)?
Chapter 33 Solutions
Automotive Technology: Principles, Diagnosis, and Service (5th Edition)
Ch. 33 - Prob. 1RQCh. 33 - How does piston pin offset control piston slap?Ch. 33 - Why are forged pistons recommended for use in...Ch. 33 - Prob. 6RQCh. 33 - How is the piston pin installed in the piston and...Ch. 33 - A hypereutectic piston __________. a. uses about...Ch. 33 - Many aluminum piston skirts are plated with...Ch. 33 - Prob. 3CQCh. 33 - Prob. 4CQCh. 33 - Prob. 5CQ
Ch. 33 - The space behind the ring is called __________. a....Ch. 33 - A misaligned connecting rod causes what type of...Ch. 33 - Side clearance is a measure taken between the...Ch. 33 - Piston ring gap is measured using a ____________....Ch. 33 - Which type of connecting rod needs to be heated to...
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