Mechanical Engineering Mcqs

A) 1 tp 1.25m

B) 1 to 1.75 m

C) 2 to 4 m

D) 1.75 to 2.75 m

A) Non-coking bituminous coal

B) Brown coal

C) Pulverized coal

D) Coking bituminous coal

A) One-half

B) One-third

C) One-fourth

D) Two-fifth

A) Centrifugal pump

B) Axial flow pump

C) Gear pump

D) Reciprocating pump

A) Convection

B) Radiation

C) Conduction

D) Radiation and Conduction

A) Corrosion

B) Scale

C) Carryover

D) All of the above

A) Very low pressure

B) Atmospheric pressures

C) Medium pressures

D) Very high pressures

A) Increases

B) Decreases

C) Remains constant

D) May increase or decrease depending upon the method of storage

A) Supply of excess, air

B) Supply of excess coal

C) Burning CO and unburnts in upper zone of furnace by supplying more air

D) Fuel bed firing

A) Dry

B) Wet

C) Saturated

D)Supersaturated