AUTOMATIC TRANS...-CLASSRM.+SHOP MANUAL
7th Edition
ISBN: 9781337792158
Author: ERJAVEC
Publisher: CENGAGE L
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Chapter 18, Problem 3MC
When the starter spins but does not crank the engine, which of the following may be true?
- Defective starter relay
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#2 The isothermal gas-phase degradation reaction is given below. Pure ethane enters a flow
reactor at 6 atm and 1100 K, with the pressure drop can be negligible. This reaction follows an
elementary rate law.
C2H6 → C2H4 + H2
a) Express the concentration of each species solely as a function of conversion.
b) Write the reaction rate (the unit is mol/L-s) solely as a function of conversion (*rate
constant k will be used in this mathematical expression). What is the unit of k.
c) If this reaction is carried out in a constant volume batch reactor now, how to express the
concentration of each species solely as a function of conversion?
#1 For the following liquid phase reaction, ethylene oxide reacts with water to form ethylene
glycol in a CSTR. The entering concentrations of ethylene oxide and water are 16.13 mol/L and
55.5 mol/L, respectively. The reaction rate constant k = 0.1 L/mol·s at 300 K. This reaction
follows an elementary rate law. Taking ethylene oxide as the limiting species (i.e., basis of the
calculation).
ན
CH₂-OH
|
H2SO4
CH2-CH₂+H₂O
CH₂-OH
a) Express the concentration of each species solely as a function of conversion.
b) Write the reaction rate solely as a function of conversion at 300 K.
#4 The gas phase reaction, as given below is carried out isothermally in a PFR with no pressure
drop. The feed is equal molar in A and B, and the entering concentration of A is 0.1 mol/L.
2A + B → C
a) What is the entering concentration of B?
b) What are the concentrations of A, B, and C at 25% conversion of A?
c) If at a particular conversion, the rate of formation of C is 2 mol/L-min, what is the rate of
consumption of A at the same conversion?
Chapter 18 Solutions
AUTOMATIC TRANS...-CLASSRM.+SHOP MANUAL
Ch. 18 - Prob. 1SACh. 18 - Prob. 2SACh. 18 - The part of the armature that the brushes ride on...Ch. 18 - Describe how to perform a starter bench test.Ch. 18 - True or False? The strength of the magnetic field...Ch. 18 - True or False? Worn armature bearings can result...Ch. 18 - Which of the following is not part of the starter...Ch. 18 - Which of the following tests would not be...Ch. 18 - When the starter spins but does not crank the...Ch. 18 - If the solenoid clicks while trying to crank the...
Ch. 18 - Prob. 5MCCh. 18 - Prob. 6MCCh. 18 - Prob. 7MCCh. 18 - The device that prevents the engine from turning...Ch. 18 - A control circuit voltage drop test shows a 1.1...Ch. 18 - An engine cranks slowly: Technician A says that a...Ch. 18 - Prob. 2ASRQCh. 18 - Pinion gear-to-flywheel ring gear clearance is...Ch. 18 - Technician A says that a starter no-load test is...Ch. 18 - Cranking current is excessive but is normal when...Ch. 18 - Prob. 6ASRQCh. 18 - When diagnosing a no-crank no-start condition, no...Ch. 18 - While discussing a no-crank condition: Technician...Ch. 18 - Prob. 9ASRQCh. 18 - While discussing electric motors: Technician A...
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- A buffer solution is made by mixing 0.1 M acetic acid (HA) and 0.05 M sodium acetate (A⁻). The pKa of acetic acid is 4.76. Due to an experimental error, the actual pH was not recorded, and we need to solve for the concentration of the conjugate base (A⁻) given that the desired pH should be 4.90. Use the Bisection Method to find the concentration of A.arrow_forward1. (15) John had an loan plan shown in the following discrete cash flow diagram: $4,000 $6,000 GI $2,000 5 7 1 2 3 4 $3,000 $4,000 ? Years a. Please describe this diagram in terms of borrowing and payback. b. How much does John need to pay to totally payoff the loan at the end of year 8 if the interest rate is 8%? c. If John pays the sam amount of money at year 8, how much can John borrow at year 0 without paying back in between with the same interest rate?arrow_forwardA buffer solution is made by mixing 0.1 M acetic acid (HA) and 0.05 M sodium acetate (A⁻). The pKa of acetic acid is 4.76. Due to an experimental error, the actual pH was not recorded, and we need to solve for the concentration of the conjugate base (A⁻) given that the desired pH should be 4.90. Use the Bisection Method to find the concentration of A.arrow_forward
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