AUTOMOTIVE TECHNOLOGY -W/MINDTAP ACCESS
7th Edition
ISBN: 9780357096789
Author: ERJAVEC
Publisher: CENGAGE L
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Chapter 35, Problem 3MC
Which of the following is the least likely to decrease fuel consumption of a hybrid vehicle?
a. Low-rolling resistance tires
b. Increased aerodynamic drag
c. Stop-start systems
d. Lighter and less powerful engines
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Air modeled as an ideal gas enters an insulated compressor at a temperature of 300 K and 100 kPa, and leaves at 600 kPa. The mass flowrate of air entering the compressor is 50 kg/hr, and the power consumed by the compressor is 3 kW. (Rair = 0.287 kJ/kg-K, k = 1.4, cp = 1.0045 kJ/kg-K, cv = 0.718 kJ/kg-K)
Determine the isentropic exit temperature (Te,s) of the air in [K].
Determine the actual exit temperature (Te) of the air in [K].
Determine the isentropic efficiency of the compressor. (Answer: ηc,s = 93.3%)
Determine the rate of entropy generated through the compressor in [kW/K]. (Answer: Ṡgen = 0.000397 kW/K)
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Chapter 35 Solutions
AUTOMOTIVE TECHNOLOGY -W/MINDTAP ACCESS
Ch. 35 - What are the basic components of a belt alternator...Ch. 35 - What are the main reasons that a mild hybrid...Ch. 35 - The Prius PHEV offers many advantages over the...Ch. 35 - In a Toyota Prius, what members of the planetary...Ch. 35 - How often must insulated linemans gloves be tested...Ch. 35 - Nearly all hybrids have less powerful engines than...Ch. 35 - What is the purpose of a typical inverter?Ch. 35 - On hybrids with a separate cooling system for the...Ch. 35 - Prob. 9SACh. 35 - During diagnostics, the DTC P3009 is displayed,...
Ch. 35 - Prob. 1TFCh. 35 - Prob. 2TFCh. 35 - After isolating the high-voltage system, what is...Ch. 35 - Which of the following statements about the...Ch. 35 - Which of the following is the least likely to...Ch. 35 - Prob. 1ASRQCh. 35 - When working on a high-voltage system, it is best...Ch. 35 - Prob. 3ASRQCh. 35 - Technician A says diesel engines can be used in a...Ch. 35 - While discussing working on hybrid vehicles:...Ch. 35 - Prob. 6ASRQCh. 35 - Prob. 7ASRQCh. 35 - Technician A says PVE refrigerant oil is commonly...Ch. 35 - Prob. 9ASRQCh. 35 - Prob. 10ASRQ
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