Locomotive type’ boiler is__________________?

A. Horizontal multitubular water tube boiler
B. Water wall enclosed furnace type
C. Vertical tubular fire tube type
D. Horizontal multi-tubular fire tube type

Fire tube boilers are those in which__________________?

A. Flue gases pass through tubes and water around it
B. Water passes through the tubes and flue gases around it
C. Forced circulation takes place
D. Tubes are laid vertically

The number of flue tubes in Lancashire boiler is_________________?

A. Zero
B. One
C. Two
D. Four

Which of the following is a water tube boiler_________________?

A. Locomotive boiler
B. Cochran boiler
C. Cornish boiler
D. Babcock and wilcox boiler

A packaged boiler is one in which various parts like firing equipment, fans, feed pumps and automatic controls are________________?

A. Supplied by same manufacturer loose and assembled at site
B. Supplied mounted on a single base
C. Purchased from several parties and packed together at site
D. Packaged boiler does not exist

The crown of the fire box is made hemispherical in order to___________________?

A. Give maximum space
B. Give maximum strength
C. Withstand pressure inside boiler ,
D. Resist intense heat in fire box

Which of the following coals has the highest calorific value_________________?

A. Anthracite coal
B. Bituminous coal
C. Lignite
D. Peat

The fire tubes in, a Coarran and Scotish marine boiler are_________________?

A. Horizontal
B. Vertical
C. Inclined
D. Both horizontal and vertical

The function of injector used in small steam plants is to________________?

A. Create vacuum in furnace
B. Create vacuum at turbine exhaust
C. Pump feed water
D. Dose chemicals in feed water

The basic purpose of drum in boiler is to_____________________?

A. Serve as storage of steam
B. Serve as storage of feed water for water wall
C. Remove salts from water
D. Separate steam from water