EBK FUNDAMENTALS OF THERMODYNAMICS, ENH
9th Edition
ISBN: 9781119321453
Author: Sonntag
Publisher: JOHN WILEY+SONS,INC.-CONSIGNMENT
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Chapter 1, Problem 1.75P
To determine
Net horizontal force from the water on one side and air on the other side of the port.
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Q5/A: A car with a track of 1.5 m and a wheelbase of 2.9 m has a steering gear
mechanism of the Ackermann type. The distance between the front stub axle pivots
is 1.3 m. The length of each track arm is 150 mm, and the length of the track rod is
1.2 m. Find the angle turned through by the outer wheel if the angle turned through
by the inner wheel is 30°.
(6 Marks)
Q5/B: Write True on the correct sentences and False on the wrong sentences
listed below:-
1- In automobiles, the power is transmitted from the gearbox to the differential
through bevel gears.
2- The minimum radius circle drawn to the cam profile is called the base circle.
3- The Proell governor, compared to the Porter governor, has less lift at the same
speed.
4- The balancing of rotating and reciprocating parts of an engine is necessary when
it runs at a slow speed.
(6.5 Marks)
***Best of Luck ***
جامعة بابل
UNIVERSITY OF BABYLON
Examiner:
Mohanad R. Hameed
Head of Department:
Dr. Dhyai H. Jawad
University of Babylon
Collage of Engineering/
Al-Musayab
Department of Automobiles
Mid Examination/ Stage: 3rd
Subject: Theory of Vehicles
Date: 14 \ 4 \2025
Time: 1.5 Hours
2025-2024
Q1: The arms of a Porter governor are 250 mm long. The upper arms are pivoted on
the axis of revolution, but the lower arms are attached to a sleeve at a distance of 50
mm from the axis of rotation. The weight on the sleeve is 600 N and the weight of
each ball is 80 N. Determine the equilibrium speed when the radius of rotation of the
balls is 150 mm. If the friction is equivalent to a load of 25 N at the sleeve, determine
the range of speed for this position.
Q2: In a loaded Proell governor shown in Figure below each ball weighs 3 kg and
the central sleeve weighs 25 kg. The arms are of 200 mm length and pivoted about
axis displaced from the central axis of rotation by 38.5 mm, y=238 mm, x=303.5
mm, CE 85 mm, MD 142.5 mm. Determine the equilibrium speed.
Fe
mg
E
M
2
Q3: In a spring loaded Hartnell type…
using the theorem of three moments, find all the reactions and supports, I need the calculations only
Chapter 1 Solutions
EBK FUNDAMENTALS OF THERMODYNAMICS, ENH
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