Question

Please find the correct option.(A-B-C-D) The compression ratio of an ideal air operated otto cycle is...

Please find the correct option.(A-B-C-D)

The compression ratio of an ideal air operated otto cycle is 8. The lowest and highest temperatures of the cycle are 27 degrees Celsius and 1340K respectively. What is the heat that enters its cycle, taking into account the change of specific temperatures with temperature?

A-) 268 kj/kg
B-) 568 kj/kg
C-) 486 kj/kg
D-) 688 kj/kg

Homework Answers

Answer #1

Answer coming out after solving is approximately equal to 568KJ/Kg, Hence option (B) is correct.

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
An ideal Otto engine has a compression ratio of 10 and uses air as the working...
An ideal Otto engine has a compression ratio of 10 and uses air as the working fluid. The state of air at the beginning of the compression process is 100 kPa and 27 0C. The maximum temperature in the cycle is 2100K. (R=0.287 for air) (using variable specific heat) Draw the P-v diagram of the Otto cycle Determine the specific internal energies at the beginning and the end of the compression, Determine the specific internal energies before and after the...
1) An air-standard Otto cycle has a compression ratio of 9. At the beginning of the...
1) An air-standard Otto cycle has a compression ratio of 9. At the beginning of the compression process, the temperature is 20°C, and the pressure is 100 kPa. The heat added is 500 kJ/kg. Determine the cycle efficiency, work output, and the heat rejected 2) An air-standard Otto cycle operates with a minimum temperature of 300 K and a maximum temperature of 1700 K. The compression ratio of the cycle is 7. At the beginning of the compression process, the...
10) An air-standard Otto cycle has a compression ratio of 9. At the beginning of the...
10) An air-standard Otto cycle has a compression ratio of 9. At the beginning of the compression process, the temperature is 20°C, and the pressure is 100 kPa. The heat added is 500 kJ/kg. Determine the cycle efficiency, work output, and the heat rejected. 11)An air-standard Otto cycle operates with a minimum temperature of 300 K and a maximum temperature of 1700 K. The compression ratio of the cycle is 7. At the beginning of the compression process, the pressure...
An ideal Otto cycle with Argon as the working fluid has a compression ratio of 7....
An ideal Otto cycle with Argon as the working fluid has a compression ratio of 7. The minimum and maximum temperatures in the cycle are 290 and 1350 K. accounting for the constant specific heats at room temperature, determine (a) the amount of heat transferred to Argon during the heat addition process, (b) the thermal efficiency of Otto cycle, and (c) the thermal efficiency of a Carnot cycle operating between the same temperature limits.
An ideal Otto cycle with Argon as the working fluid has a compression ratio of 7....
An ideal Otto cycle with Argon as the working fluid has a compression ratio of 7. The minimum and maximum temperatures in the cycle are 290 and 1350 K. accounting for the constant specific heats at room temperature, determine (a) the amount of heat transferred to Argon during the heat addition process, (b) the thermal efficiency of Otto cycle, and (c) the thermal efficiency of a Carnot cycle operating between the same temperature limits.
At the beginning of the compression process of an air-standard Otto cycle, p1 = 1 bar...
At the beginning of the compression process of an air-standard Otto cycle, p1 = 1 bar and T1 = 300 K. The compression ratio is 6 and the heat addition per unit mass of air is 1500 kJ/kg. Determine: (a) the maximum temperature of the cycle, in K. (b) the net work, in kJ/kg. (c) the percent thermal efficiency of the cycle. (d) the mean effective pressure, in kPa.
An ideal Diesel cycle has a cut off ratio of 2. The temperature of the air...
An ideal Diesel cycle has a cut off ratio of 2. The temperature of the air at the beginning and at the end of the compression process are 300 K and 900 K respectively. By utilizing constant specific heats, taking the specific heat ratio, k = 1.4, Cp = 1.005 kJ/kg K and Cv = 0.718 kJ/kg K. Determine the followings: (i) The compression ratio. [5 marks] (ii) The maximum cycle temperature. [5 marks] (iii) The amount of heat transferred...
1. The compression ratio of an air powered diesel cycle is A = 18 and the...
1. The compression ratio of an air powered diesel cycle is A = 18 and the cutting ratio is B = 2.2. The pressure of the air at the beginning of the compression process is C = 94 kPa and the temperature is D = 32 ° C. Considering that the specific temperatures change with temperature (using the air standard, not the cold air standard only, that is, using the relative specific volumes from the table) and accepting the gas...
Consider an ideal Ericsson cycle with air as the working fluid executed in a steady-flow system....
Consider an ideal Ericsson cycle with air as the working fluid executed in a steady-flow system. Air is at 27°C and 110 kPa at the beginning of the isothermal compression process, during which 150 kJ/kg of heat is rejected. Heat transfer to air occurs at 950 K. The gas constant of air is R = 0.287 kJ/kg·K. a.)The maximum pressure in the cycle is? kPa b.)The net work output per unit mass of air is? kJ/kg c.)The thermal efficiency of...
An air-standard dual cycle has the following elements: compression ratio = 8.0 1600 kJ/kg heat addition...
An air-standard dual cycle has the following elements: compression ratio = 8.0 1600 kJ/kg heat addition so that 30% occurs at constant volume and 70% occurs at constant pressure The state is 300K and 1 bar at the beginning of the compression process Find:   (a) the temperatures at the end of each heat addition process (b) the cycle efficiency (c) the MEP