# Given that the path 1-2-3, a system absorbs 100 kJ heat and it does 60 kJ work while along the path 1-4-3 it does 20 kJ work (see figure given). The heat absorbed during the process 1-4-3 is

1.  -140 kJ

2.  -80 kJ

3.  -40 kJ

4.  +60 kJ

4

+60 kJ

Explanation :
No Explanation available for this question

# The given figure shows the variation of force in an elementary system which undergoes a process during which the plunger position changes from 0 to 3 m. If internal energy of the system at the end of the process is 2.5 J higher, then the heat absorbed during the process is

1.  15 J

2.  20 J

3.  5 J

4.  30 J

4

20 J

Explanation :
No Explanation available for this question

# Which one of the following pV - T diagrams correctly represents the of an ideal gas

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# The efficiency of a Ranking cycle

1.  Increases with decreasing temperature of heat rejection

2.  Decreases with decreasing temperature of heat rejection

3.  Decreases with increasing temperature of heat rejection

4.  None of the above

5.  Both (a) and (c)

5

Both (a) and (c)

Explanation :
No Explanation available for this question

# Ranking cycle efficiency for a power plant is 29%. The Carnot cycle efficiency will be

1.  Less

2.  More

3.  Equal

4.  None of the above

4

More

Explanation :
No Explanation available for this question

# Number of processes in a Rakine cycles are

1.  3

2.  4

3.  5

4.  6

4

4

Explanation :
No Explanation available for this question

# Brayton cycle cannot be used in reciprocating engines for same adiabatic compression ratio and work output because

1.  It requires large air- fuel ratio

2.  It is less efficient

3.  Large volume of low pressure air cannot be efficiently handled

4.  All of the above

4

Large volume of low pressure air cannot be efficiently handled

Explanation :
No Explanation available for this question

# The ideal efficiency of simple gas turbine cycle depends upon

1.  Pressure ratio

2.  Cut-off ratio

3.  Both (a) and (b)

4.  None of the above

4

Pressure ratio

Explanation :
No Explanation available for this question

# A gas turbine cycle with heat exchanger and reheating improves

1.  Only the thermal efficiency

2.  Only the specific power output

3.  Both thermal efficiency and specific power output

4.  Neither thermal efficiency nor specific power output

4

Both thermal efficiency and specific power output

Explanation :
No Explanation available for this question

# For a given set of operating pressure limits of a Ranking cycle the highest efficiency occurs for

1.  Saturated cycle

2.  Superheated cycle

3.  Reheat cycle

4.  Regenerative cycle

4

Regenerative cycle

Explanation :
No Explanation available for this question

## Interview Questions

 MongoDB Java Script Node JS PHP JQuery Python