Related Questions

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
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 '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 to determine the (where, GCV - Gross Calorific Value. NCV - Net Calorific Value.)
A GCV at constant pressure
B GCV at constant volume
C NCV at constant pressure
D NCV at constant volume
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
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
Junker's calorimeter is used to determine the calorific value of
A Pulverised coal
B Gaseous fuels
C Fuel oil
D None of these
__________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very low.
A Bucket
B Throttling
C Separating
D A combination of separating & throttling

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