Lancashire boiler is used where working pressure and power required are

Boilers, Engines, Nozzles and Turbines Objective Questions and Answers pdf:- 101. The difference between cornish boiler and lancashire boiler is that

A

former is fire tube type and latter is water tube type boiler

B

former is water tube type and latter is fire tube type

C

former contains one fire tube and latter contains two fire tubes

D

none of the above

Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler?

A

Cornish boiler is a water tube boiler whereas Lancashire boiler is a fire tube boiler

B

Cornish boiler is a fire tube boiler whereas Lancashire boiler is a water tube boiler

C

Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes

D

Cornish boiler has two flue tubes whereas Lancashire boiler has one flue tube

The difference between Cornish boiler and Lancashire boiler is that

A

Former is fire tube type and latter is water tube type boiler

B

Former is water tube type and latter is fire tube type

C

Former contains one fire tube and latter contains two fire tubes

D

None of the above

Pick up the correct statement as regards Cornish boiler and Lancashire boiler

A

Cornish is fire tube and Lancashire is water tube

B

Cornish is water tube and Lancashire is fire tube

C

Cornish has two fire tubes and Lancashire has one

D

Lancashire has two fire tubes and Cornish has one

What is the maximum working pressure of a Lancashire boiler?

A

10 bar

B

12 bar

C

14 bar

D

16 bar

Read the following statement about boilers. I. Water tube boiler is capable of generating steam of pressure more than 50 kg/cm2 . II. Fire tube boiler is suitable for generating steam of pressure less than 17.5 kg/cm2 . III. Water tube boiler occupy comparatively less space.

A

Only statement I is true

B

Statement I, II and III are true

C

I and II are true but III is false

D

I and III are true but II is false

A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.

A

Blow off cock

B

Fusible plug

C

Stop valve

D

Safety valve

Lancashire boiler is easy to operate and has less maintenance and operating costs.

A

True

B

False

In Lancashire boiler, an arrangement is made so that burning coal and ashes do not enter the furnace tubes. What is that arrangement called?

A

Low brickwork fire bridge

B

Ash-filter

C

Filtering mesh

D

Furnace separator

The number of flue tubes in Lancashire boiler is

A

Zero

B

One

C

Two

D

Four

Lancashire boiler is used where working pressure and power required are

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