Related Questions

Silica bricks are attacked by basic slags at high temperature. Which of the following is not used solely as a binding material?
A Aluminium phosphate
B Water
C Lime
D Plaster of paris
Which of the following is the binding material in cemented carbides?
A Cobalt
B Nickel
C Vanadium
D Iron
Which of the following is used as a binding material in soap to improve soap texture?
A Rosin
B Borax
C Benzyl acetate
D Sodium carbonate
Air binding phenomena in rapid sand filters occur due to
A Excessive negative head
B Mud ball formation
C Higher turbidity in the effluent
D Low temperature
The binding material used in cemented carbide tools is
A Tungsten
B Chromium
C Silicon
D Cobalt
In a mortar, the binding material is
A Cement
B Sand
C Surkhi (brick-dust)
D Cinder
The instruction state that Sumi may need 4/9 square yards of one type of material and 2/3 square yards of another type of material for a project. She buys exactly that amount. After finishing the project, however, she has 8/18 square yards left that she did not use. What is the total amount of square yards of material Sumi used?
A 1/12
B 1/9
C 2/3
D 10/9
Of the 65 cars on a car lot, 45 have air conditioning, 30 have power windows, and 12 have both air conditioning and power windows. how many of the cars on the lot have neither air conditioning nor power windows?
A 2
B 8
C 12
D 18
A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of
A 2
B 20.8
C 20.2
D 20.5
For air conditioning the operation theater in a hospital, the percentage of outside air in the air supplied is
A Zero
B 20
C 50
D 100

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