Engineering Thermodynamics
Select the wrong statement

An Otto cycle consists of two constant volume and two isentropic processes.
A Joule cycle consists of two constant volume and two isentropic processes.
All of these
An Ericsson cycle consists of two constant pressure and two isothermal processes.

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Engineering Thermodynamics
Coke is produced

When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel
When coal is first dried and then crushed to a fine powder by pulverizing machine
By heating wood with a limited supply of air to a temperature not less than 280°C
From the finely ground coal by moulding under pressure with or without a binding material

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