Q5. Choose the correct answer for each of the following:1- The efficiency of the Otto cycle is independent ofa) Heat suppliedb) Compression ratioc) Ratio of specific heatsd) None of the above2- Most high-speed compression engines opea) diesel cycleb) Otto cyclec) dual cycled) Carnot cycle3- What is the relation betcompression ratio (rk) and the efficiency ofthe Otto cycle?a) efficiency decreases with increase in compression ratiob) efficiency increases with increase in compression ratiochmoutA Mashkourc) efficiency is not affected by change in compression ratiod) none of the above

Name: Q5. Choose the correct answer for each of the following:1- The effici
Uploaded: 2024-03-20T06:56:55.000Z
Channel: Bartleby
Description: Q5. Choose the correct answer for each of the following:1- The efficiency of the Otto cycle is independent ofa) Heat suppliedb) Compression ratioc) Ratio of specific heatsd) None of the above2- Most high-speed compression engines opea) diesel cycleb

Answered: Image /qna-images/answer/9a8c6b60-9b52-40fd-ad4b-e969e2a4ff09.jpg

Engineering

Mechanical Engineering

Q5. Choose the correct answer for each of the following: 1- The efficiency of the Otto cycle is independent of a) Heat supplied b) Compression ratio c) Ratio of specific heats d) None of the above 2- Most high-speed compression engines operate on a) diesel cycle b) Otto cycle c) dual cycle d) Carnot cycle 3- What is the relation between compression ratio (rk) and the efficiency of the Otto cycle? a) efficiency decreases with increase in compression ratio b) efficiency increases with increase in compression ratio c) efficiency is not affected by change in compression ratio d) none of the above MahmoudA Mashkour

Q5. Choose the correct answer for each of the following: 1- The efficiency of the Otto cycle is independent of a) Heat supplied b) Compression ratio c) Ratio of specific heats d) None of the above 2- Most high-speed compression engines operate on a) diesel cycle b) Otto cycle c) dual cycle d) Carnot cycle 3- What is the relation between compression ratio (rk) and the efficiency of the Otto cycle? a) efficiency decreases with increase in compression ratio b) efficiency increases with increase in compression ratio c) efficiency is not affected by change in compression ratio d) none of the above MahmoudA Mashkour

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Related questions

Q: A simple but non-ideal Rankine cycle operates with water as the working fluid and operating between…

Q: A Rankine-cycle steam power plant has a 5-MPa/450°C throttle and 10-kPa condenser pressure . the…

A: Given data: Steam power plant has a throttle with 5 MPa and 450oC Condenser pressure = 10 kPa…

Q: a) Water vapor expands through the turbine, developing power. b) Water condenses in the large…

A: here all option a ,b,c,d,e, are all correct

Q: Thermal efficiency is of key importance in power producing system design. If the engine high and…

A: If the engine high and low temperatures are fixed, Brayton Cycle has highest efficiency. It operates…

Q: In a heat engine, 3.00 mol of a monatomic ideal gas, initially at 4.00 atm of pressure, undergoes an…

Q: 6. Discuss the difference(s) between an actual and an ideal Rankine power cycle. Please select all…

A: Inroduction: Actual rankine cycle consists of heat losses in every processes because 100% insulation…

Q: d) the thermal efficiency (%) of the cycle. e) Sketch the cycle on a T-s diagram, showing all…

Q: 8. Describe the attribute(s) of regenerative Rankine power cycle. Please select all answers that…

A: In regenerative Rankine power cycle, Some steam is bleeded from the turbine while it is expanding,…

Q: Sketch the following cycles on a T-s diagram. Identify the each processes, e.g, 1-2 turbine process,…

A: This question is based on the concept of rankine cycle. As per the guidelines we are subjected to…

Q: 4. Describe the efficiency and back-work ratio in Rankine power cycles. Please select all answers…

A: Answers: The following are the correct statements: (a) The thermal efficiency is defined as ratio of…

Topic Video

Question

Q5. Choose the correct answer for each of the following:
1- The efficiency of the Otto cycle is independent of
a) Heat supplied
b) Compression ratio
c) Ratio of specific heats
d) None of the above
2- Most high-speed compression engines ope
a) diesel cycle
b) Otto cycle
c) dual cycle
d) Carnot cycle
3- What is the relation bet
compression ratio (rk) and the efficiency of
the Otto cycle?
a) efficiency decreases with increase in compression ratio
b) efficiency increases with increase in compression ratio
chmoutA Mashkour
c) efficiency is not affected by change in compression ratio
d) none of the above

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2: final answer

VIEW

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

A six cylinder 1.8 litre spark ignition engine is required to develop an output of 75 kW at 3500 rev/min. The compression ratio of the engine is 10:1. The operating cycle of the engine follows the ideal Otto cycle, the pressure and temperature before isentropic compression is 1 bar and 15°C respectively, determine; a) Efficiency based on the Otto cycle b) Required rate of heat addition c) Mean effective pressure d) Maximum temperature of the cycle Note:phs Otto cycle efficiency 7 = 1 1 ۲۷-۱ Assume cv =0.718 kJ/(kg K), y = 1.4, R = 0.287 kJ/ (kg K)
An ideal, air-standard Diesel cycle has a compression ratio of 20. The maximum temperature is 2200 K while the air is 320 K and at 105 kPa before compression. Assume that specific heats vary with temperature. a) Report the temperature after isentropic expansion in K to one decimal place using rounding. b) Report the net work produced in kJ/kg to one decimal place using rounding. c) Report the overall thermal efficiency as a percentage (0 to 100) to one decimal place using rounding.
The last three questions: B, C, and D
Find the work done by the engine cycle shown in the P-V diagram below. a. 3.0 kJ b. 1.0 kJ c. 2.0 kJ d. 2.5 kJ e. 1.5 kJ
4. Define the requirements for a process to be considered isentropic. Please select all answers that apply: a) Flows through the turbine and pump occur adiabatically and without irreversibility. b) Isentropic processes are frictionless processes only. c) Isentropic processes are adiabatic processes only. d) Isentropic processes are constant pressure processes. e) Isentropic processes are constant temperature processes.
Can you please answer question 4
3. An ideal air-powered Otto cycle has a compression ratio of 8. Lowest and highest of the cycle temperatures are 300 K and 1340 K, respectively. Taking into account the variation of specific heats with temperature, a) The heat entering the cycle, b) The thermal efficiency of the cycle, c) Calculate the thermal efficiency of the Carnot cycle operating between the same temperature limits.
A 2.00 mol sample of an ideal diatomic gas is taken through a reversible cycle A → B → C → A as shown in the figure below. Process A → B is isothermal expansion. For the cycle, calculate: a) the work done by the gas, b) the heat energy added to the gas, c) the heat energy exhausted by the gas, d) the thermal efficiency, e) the change in entropy of the gas. f) Determine the efficiency of a Carnot engine operating between the same temperature extremes, R = 8.314 J/mol K Data at vertices for the above PV diagram are as follow: PA = 5.00 x 105 Pa, VA = 1.00 x 10 -2 m3, PB = 1.25 x 105 Pa, VB = 4.00 x 10 -2 m3 PC = 1.25 x 105 Pa, VC = 1.00 x 10 -2 m3
Q1/ Answer the following questions: 1. We can classify I.C. engines to give a clear description for any engine? Give your opinion about that. 2. Side thrust force may give an indication about the engine performance. Discuss that. 3. It is possible to increase the mechanical efficiency of the turbocharger. Do you agree? Why? 4. How is the friction force reduced? 5. If the engine designers reduce the piston skirt length as much as possible, is this considered as an advantage for the I.C. engine?
use perrys chem engg handbook