Related Questions

Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm.
A 3-5
B 25-30
C 60-65
D 95-100
The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to
A Minimise its corrosion
B Avoid radiation heat loss
C Make it look attractive
D None of these
The 'bomb' in the bomb calorimeter is made of
A Molybdenum stainless steel
B Mild steel
C High silicon iron (14% Si)
D Copper
Bomb calorimeter is used for the determination of calorific value of the __________ fuels.
A Gaseous
B Solid
C Liquid
D Both B and C
Calorific value as determined by bomb calorimeter is the
A Higher calorific value at constant volume
B Gross calorific value at constant pressure
C Lower calorific value at constant pressure
D Net calorific value at constant volume
During its calorific value determination by bomb calorimeter, coal is combusted by
A Air
B Oxygen
C Oxygen enriched air
D None of these
A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be
A More
B Less
C Same
D Data insufficient; can't be predicted
Gross calorific value will be equal to the net calorific value for
A H2
B C2H2
C CO
D C2H6
Bomb calorimeter is used to determine
A Higher calorific value at constant volume
B Lower calorific value at constant volume
C Higher calorific value at constant pressure
D Lower calorific value at constant pressure
Bomb calorimeter can be used to determine the __________ of the coal.
A Sulphur content
B Calorific value
C Both A & B
D Neither A nor B

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