expansion is 18507 and 85077 Determine the ideal efficiency of the cycle. Take y =

1.4. If compression ratio is 15 and pressure at the beginning is | bar, calculate the

maximum pressure in the cycle. (9)
PART 8
Answer any two questions
a) Differentiate between the COP and efficiency of a system. (3)

b) Differentiate between vapor compression refrigeration system and vapor absorption
refrigeration system. (3)

c) With the help of a suitable sketch explain the working of a split air conditioner; also

mention the advantages over window air conditioning system. (9)
. a) List various advantages of chain drives, (3)
b) Explain the working of a simple carburetor. (3)

€) Discuss any two types of braking mechanisms commonly used in automobiles
(9)