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A. high burning rate is possible
B. heat release can be easily controlled
C. fuel burns economically
D. it is the best technique for burning high ash content fuel having low fusion ash
Answer
Answer
D.
Submitted by: Imdad Shahani
Which is not correct statement about the function of furnace?
A. to provide proper conditions for con-tinuous complete combustion
B. mix fuel with air and ignite
C. separate ash from coal
D. maintain heat supply to prepare and ignite the incoming fuel
Answer
Answer
C. separate ash from coal
Submitted by: Imdad Shahani
Which is not correct statement about effect of sulphur in fuel ?
A. it has heating value
B. it helps in electrostatic precipitation of ash in flue-gases
C. it leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low
D. it erodes furnace walls
Answer
Answer
D. it erodes furnace walls
Submitted by: Imdad Shahani
Which one of the following can be taken as the measure of electric intensity?
A. F/A
B. V/A
C. VF/A
D. q/VA
Answer
Answer
B. V/A
Submitted by: Rasool Bux
Electric flux due to a point charge +q is?
A. 1/4IIɛ q/r
B. q/ɛ0
C. 1/4IIɛ0. q/r2
D. 4IIɛ0
Answer
Answer
B. q/ɛ0
Submitted by: Rasool Bux
N/C =?
A. V/A
B. J/V
C. V/m
D. A/m
Answer
Answer
C. V/m
Submitted by: Rasool Bux
Photocopier and inject printer are dealt in?
A. Electrostatics
B. Charges in motion
C. Capacitors
D. Electric fields
Answer
Answer
A. Electrostatics
Submitted by: Rasool Bux
If a charged rod is brought closer to a gas filled balloon then?
A. Radius decreases
B. Balloon bursts
C. Radius increase
D. Balloon squeezes
Answer
Answer
C. Radius increase
Submitted by: Rasool Bux
Value of εr for various dielectrics is always?
A. Less than unity
B. Equal to the unit
C. Larger than unit
D. No hard and fast rule
Answer
Answer
C. Larger than unit
Submitted by: Rasool Bux
SI unit of the permittivity of free space is?
A. Nm2C2
B. N-1mC-2
C. NmC-1
D. N-1m-2C2
Answer
Answer
D. N-1m-2C2
Submitted by: Rasool Bux