C:-fire is produced in the tubes

D:-flue gas surrounds the tubes

Correct Answer:- Option-B
Question78:-Lancashire boiler is

A:-Internally fired boiler

B:-Externally fired boiler

C:-Water tube boiler

D:-Forced circulation boiler

Correct Answer:- Option-A
Question79:-In locomotive boiler produces maximum pressure of

A:-25 bar

B:-10 bar

C:-100 bar

D:-5 bar

Correct Answer:- Option-A
Question80:-The average operating pressure of Benson boiler is

A:-50 bar

B:-100 bar

C:-250 bar

D:-150 bar

Correct Answer:- Option-C

Question81:-Which one of the following is used in boiler to extinguish fire in the furnace of boiler when the water level falls
to unsafe limit?

A:-Blow off cock
B:-Steam stop valve
C:-Fusible valve
D:-Feed check valve
Correct Answer:- Option-C
Question82:-Steam in water tube boiler when compared to fire tube boiler
A:-The rate and quantity of steam generation are better
B:-The rate and quantity of steam generation are low
C:-Depending up on design
D:-Not suitable for power generation
Correct Answer:- Option-A
Question83:-Pulverised fuel have
A:-Higher calorific value
B:-More combustion efficiency
C:-Less calorific value
D:-Less combustion efficiency
Correct Answer:- Option-B
Question84:-Which of the following statement is not related to High Pressure boiler?
A:-Minimum scale formation
B:-Require more heat for vaporization
C:-They are compact and require less space
D:-Steam generation is economical
Correct Answer:- Option-B
Question85:-A Cornish boiler is a
A:-Fire tube boiler
B:-Water tube boiler
C:-Multi tubular boiler
D:-Forced circulation boiler
Correct Answer:- Option-A
Question86:-In a bomb calorimeter the calorific value of fuel is determined at
A:-Constant pressure
B:-Constant temperature
-Constant entropy
D:-Constant volume
Correct Answer:- Option-D
Question87:-Which of the following statement is wrong in case of liquid fuels?