ESE 2021 ME Technical Quiz || Various Air standard cycles

An air standard Otto cycle operates between the temperature limits of 300K and 1400K. The cylinder has stroke volume of 1400 cc and clearance volume of 200 cc. The heat (Kj/kg) rejected to the surrounding per kg of circulated air is?

A diesel cycle has compression ratio of 18 and the volume ratio at constant pressure process is 3. Calculate the heat rejected when the initial temperature is 300K. Use specific heat as 1.005kJ/kg-K and specific heat ratio as 1.4.

Air fuel mixture is compressed in an otto cycle from 100 KPa & 300 K until its volume becomes 1/8^th of the initial volume. The maximum temperature of the cycle is fixed 2475°C. then what will be the heat supplied in the cycle? Assume (γ = 1.5)

C_p  = 1kJ/kgK,  C_v = 0.7kJ.kg-K

For the same compression ratio and same heat input which statement is correct?

Which of the following cycles has unequal expansion & Compression strokes ________?