Related Questions

Which furnace employs an I.D. fan for the removal of flue gases from the furnace?
A Coke oven
B Blast furnace stoves
C Beehive coke oven
D High pressure boiler
The main advantage of forced draft over natural draft is that
A Combustion of fuel is complete
B Smaller height chimney can be used
C Furnace control is easier
D All of the above
A garments factory employs 3 categories of workers K, M and N. The efficiency of the 3 categories of workers to do a specific task is in the ratio of 3 : 5 : 6 respectively and the factory employs 15 of category K, 12 of category M and 3 of category N. If the total wages paid to the entire group of 30 workers is Tk. 492 per hour, what will be the wages earned by a category N worker for an 8-hour day?
A Tk. 144
B Tk. 72
C Tk. 192
D Tk. 576
Q.(1-4): Answer the questions on the basis of the information given below. * F,G and H are insurance companies , Q,R,S and T are private detectives .Each detective works for at least one of the insurance companies. * Q always works for F and at least one of the other companies. Some of the time G employs only one of these detectives,' the rest of the time it employs exactly two of them. *F and H each employ exactly two of these detectives all the time. If R works for H only, and if S works for G and H only, T works for--
A F only
B G only
C H only
D both F and G
Which of the following is a natural draft furnace?
A Blast furnace stoves
B Power plant boilers
C Sintering furnace
D None of these
The capacity of induced draft fan compared to forced draft fan in a boiler is
A Same
B More
C Less
D Less or more depending on size of boiler
Which furnace employs preheating, heating and soaking zones?
A Soaking pit
B Reheating furnace
C Open hearth furnace
D Cupola
A balanced draught boiler furnace employs __________ draught fan.
A Induced
B Forced
C Both A & B
D Neither A nor B
The balanced draft furnace is one using
A Induced draft fan and chimney
B Induced draft fan and forced draft fan
C Forced draft fan and chimney
D Any one of the above
The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace.
A Arc
B Resistance
C Low frequency induction
D High frequency induction

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