Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 43, Problem 1SA
What is the most probable cause of a low fluid level?
Expert Solution & Answer
To determine
The probable cause of a low fluid level.
Explanation of Solution
Low fluid level can be caused due to the following reasons:
- Low fluid level can be caused by error present in the drivetrain.
- It can be caused by the presence of any cracks in the hydraulic circuit. Presence of any leakage in the gasket.
- If there is any leakage near the seals.
- Oil pan seal leakage can cause low fluid level.
- It can be caused by any leakage around the bolts and mounting.
- If there is any leakage present in extension housing.
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Students have asked these similar questions
Problem 2. For an irreversible liquid phase reaction A -> B, the reaction rate is of the first
order with respect to the reactant concentration C_A. this reaction is performed in a
cascade of two identical CSTRs at 100 degrees Celsius. (same reactor size and
isothermal). The inlet concentration of A of the first CSTR is 2mol/L. The outlet
concentration of A of the 2nd CSTR is 0.5 mol/L. the inlet flow rate of the 1st reactor is 100
L/h. and the feed temperature is 20 degrees Celsius. The average heat capacity of the
reactant/product/solvent mixture is a constant: 2J/g*K, the density of the mixture is a
constant: 1 kg/L. The heat of reaction is 50 kJ/mol (exothermic). The reaction rate constant
at 100 degrees Celsius is 0.5/h.
(a) Determine the outlet concentration of A of the first CSTR
(b) What is the heat transfer requirement for the first CSTR?
(c) if this reaction is performed in a plug-flow reactor, what is the size of plug-flow
reactor required for achieving the same conversion…
The energy release (Q_g) and energy loss (Q_r) curves of an irreversible oxidation reaction
are shown below. Q_r curves can be shifted by adjusting the feed temperature.
Q,& QE
E
Qg
(a) Are these points of intersection
between energy release and energy
loss curves stable operating
conditions?
Point of
Intersection
A
Stable or Unstable
B
A
D
T
(b) Which point represents the ignition condition?
B
с
D
E
F
G
Problem 1. For an irreversible liquid phase reaction 2A -> B, the reaction rate is of the 2nd
order with respect to the reactant concentration CA. The concentration-dependent reaction
rate is plotted below. This reaction is performed in a cascade of two identical CSTRS (same
reactor size and temperature). The inlet concentration of A of the 1st CSTR is 2 mol/L. The
outlet concentration of A of the 2nd CSTR is 1 mol/L. The inlet flow rate of the 1st reactor is
100 L/h. Please use the graphical method to determine the outlet concentration of A of the
first CSTR and the size of each CSTR. Please briefly show the procedure for reactor size
calculation.
(-4-7)
15225050
45
40
35
30
0
0.5
11.761.5
C₂
Q
C (mol.L¹)
Co
20
2.5
Chapter 43 Solutions
Automotive Technology
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