# For the same maximum pressure and temperature

1.  Otto cycle is more efficient than diesel cycle

2.  Diesel cycle is more efficient than Otto cycle

3.  Dual cycle is more efficient than otto and diesel cycles

4.  Dual cycle is less efficient than otto and diesel cycles

4

Diesel cycle is more efficient than Otto cycle

Explanation :
No Explanation available for this question

# List-I wish List-II and select the correct answer using the codes given below the Lists List-I (Cycle operating between fixed Temperature limits) List-II (Characteristic) (A) Carnot 1. Efficiency depends upon cut-off ratio and Compression ratio (B) Brayton cycle 2. Efficiency depends upon volume compression ratio (C) Otto cycle 3. Efficiency depends upon pressure ratio (D) Diesel cycle 4. Efficiency depends only upon temperature limits   5. Efficiency depends upon specific heats of the working substance

1.  A-3 B-4 C-2 D-5

2.  A-4 B-2 C-1 D-5

3.  A-4 B-3 C-2 D-1

4.  A-3 B-4 C-5 D-1

4

A-4

B-3

C-2

D-1

Explanation :
No Explanation available for this question

# For constant maximum pressure and heat input, the air standard efficiency of gass power cycle4s is in the order

1.  Diesel cycle, Dual cycle, Otto cycle

2.  Otto cycle, Diesel cycle, Dual cycle

3.  Dual cycle, Otto cycle, Diesel cycle

4.  Diesel cycle, Otto cycle, Dual cycle

4

Diesel cycle, Dual cycle, Otto cycle

Explanation :
No Explanation available for this question

# Heat removing capacity of a one ton refrigerator is

1.  25 Kcal/sec

2.  50 Kcal/min

3.  50 Kcal/hour

4.  100 Kcal/hour

4

50 Kcal/min

Explanation :
No Explanation available for this question

# Atmospheric air at 400 C and 60 percent specific humidity can be brought to 200 C and 60 per cent specific humidity by

1.  Cooling and dehumidification process

2.  Cooling and humidification process

4.  Sensible cooling process

4

Sensible cooling process

Explanation :
No Explanation available for this question

# In one ton refrigeration machine, the term “one ton” implies

1.  One ton refrigerant is used

2.  One ton water can be converted into ice

3.  One ton ice when melts and at 0.C in 24 hours, the refrigerating effects is equivalent to 3000 kcal/hour

4.  None of these

4

One ton ice when melts and at 0.C in 24 hours, the refrigerating effects is equivalent to 3000 kcal/hour

Explanation :
No Explanation available for this question

# In S.I. units, one tones of refrigeration is equivalent to

1.  1.5 Kw

2.  2.5 kw

3.  3.5 kw

4.  5 kw

4

3.5 kw

Explanation :
No Explanation available for this question

# In S.I. unite, one tone of refrigeration is equal to

1.  110 Kj/min

2.  210kj/min

3.  50 kj/min

4.  None of these

4

210kj/min

Explanation :
No Explanation available for this question

# In a refrigeration system, the moisture is removed by

1.  Driers

2.  Desiccants

3.  Filter driers

4.  All the above

4

All the above

Explanation :
No Explanation available for this question

# In a refrigeration cycle, the moisture is to be removed before it enters the

1.  Cold side of system

2.  Evaporator

3.  Compressor

4.  Condenser

4