Related Questions

Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace?
A Increase in calorific value of the fuel
B Increase in flame temperature
C Reduction in scale losses
D Saving in fuel consumption
Use of preheated air for combustion of fuel in the furnace, increases the
A Scale losses of the furnace stock
B Calorific value of the fuel
C Flame temperature
D None of these
Advantages of use of preheated combustion air are
A Saving in fuel consumption
B Reduction in scale losses
C Increase in flame temperature
D All of the above
The charge of a room at Sheraton is 25% less than that of a room at Westin and 10% less than that of a room at Sonargaon . By what percent is the charge of a room at Westin is greater than that of Sonargaon ?
A 15%
B 17%
C 19%
D 20%
The length of a room is 1.5 times of its breadth. If the area of the room is 216 sq. meter, what is the perimeter of the room?
A 42
B 48
C 54
D 60
In a room, all except 18 of the people are over 50 years of age. 15 of the people in the room are under 50 years of age. If 10% of the people are at the age of 50 years, how many people are in the room>
A 27
B 30
C 33
D 36
A room contains 200 people, 25% of whom are graduates. A group of people, 30% of whom are graduates, leave the room. Of the remaining people, 10% are graduates. How many people did leave the room?
A 150
B 145
C 125
D 120
The length of room is 1.5 times of its breadth. If the area of the room is 216 sq. meters , what is the perimeter of the room ?
A 60 meter
B 54 meter
C 48 meter
D 50 meter
The length of room is 1.5 times of its breadth. If the area of the room is 216 sq. meters, what is the perimeter of the room?
A 60 meter
B 54 meter
C 48 meter
D 50 meter
There are 5 doors to a lecture room. In how many ways can a student enter the room through a door and leave the room by a different door?
A 10
B 20
C 9
D 325

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