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Anonymous

Asked: 1 month agoIn: Mechanical Engineering

An ideal Otto cycle has a compression ratio of 7. At the beginning of the compression process, P1 = 90 kPa, T1 = 27°C and V1 = 0.004 m³. The maximum cycle temperature is 1137°C. For each repetition of the cycle, calculate the heat rejection and the net work production. Also, calculate the thermal efficiency and mean effective pressure for this cycle. Use constant specific heats at room temperature. The properties of air at room temperature are Cp = 1.005kJ / kgK Cv = 0.718kJ / k gK R = 0.287kJ / k gK and k = 1.4 The heat rejection is kJ. kJ. The net work production is The thermal efficiency is The mean effective pressure kPa.

An ideal Otto cycle has a compression ratio of 7. At the beginning of the compression process, P1 = 90 kPa, T1 = 27°C and V1 = 0.004 m³. The maximum cycle temperature is 1137°C. For each repetition ...Read more

Anonymous

Asked: 2 months agoIn: Mechanical Engineering

Calculate the forces in members BC ,BE ,and EF . Solve for each force from an equilibrium equation which contains that force as the only unknown.

Calculate the forces in members BC ,BE ,and EF . Solve for each force from an equilibrium equation which contains that force as the only unknown.The forces are positive if in tension, negative if in compression.

Sazid AhmadPundit

Asked: 2 months agoIn: Mechanical Engineering

The oil of specific gravity 0.85 flows upwards of a volume rate of flow of 50 litre per second through a vertical venturimeter with an inlet diameter of 300mm and a throat diameter of 200mm. The co-efficient of discharge of venturimeter is 0.90. The vertical distance between pressure tapping is 200mm. Determine the difference of readings of the two pressure gauges. And also determine the manometer reading when replacing the U-tube manometer instead of pressure gauge in the pipe.

The oil of specific gravity 0.85 flows upwards of a volume rate of flow of 50 litre per second through a vertical venturimeter with an inlet diameter of 300mm and a throat diameter of 200mm. The co-efficient of ...Read more