Related Questions

Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity?
A CO2
B N2
C O2
D CO
For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally
A Decreases
B Increases
C Remains unchanged
D Increases exponentially
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%
If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law.
A Hyperbolic
B Parabolic
C Linear
D Logarithmic
Thermal conductivity of air with rise in temperature
A Increases
B Decreases
C Remain constant
D May increase or decrease depending on temperature
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

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