A. Carbon dioxide
B. Carbon monoxide
C. Oxygen
D. Air
Related Mcqs:
- Basicity [%Cao + %MgO + %SiO2) of the slag in Indian blast furnace is in the range of___________________?
A. 0.7-1.0
B. 1.1-1.4
C. 1.5 – 1.8
D. 2.0 – 2.5 - Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly _____________ substances?
A. Radioactive
B. Organic
C. Inorganic
D. None of these - Major sources of noise in furnace operation arises from air inspirators, combustion, side wall vibrations and fluctuation in the process heat load. A 50% increase in fuel firing rate may increase the furnace noise level by about ____________ decibels?
A. 3
B. 30
C. 7
D. 70 - Addition of small amount of ________________ to grey cast iron is done to produce nodular grey cast iron ?
A. Manganese
B. Phosphorous
C. Magnesium
D. Chromium - A fluid gas produced on burning furnace oil contains 0.15 gm mole of CO2, 0.05 gm mole of oxygen and 0.80 gm mole of N2. What is its molecular weight ?
A. 28.6
B. 30.0
C. 30.6
D. 32.6 - White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is_______?
A. Tar
B. Sulphide Coke
C. Coke Oven Gas
D. Pulverised cokeSubmitted by: Muhammad Mutsadiq Umer
- Ideal refrigeration cycle is____________________?
A. Same as Carnot cycle
B. Same as reverse Carnot cycle
C. Dependent on the refrigerant’s properties
D. The least efficient of all refrigeration processes - The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is____________________?
A. 100,000 kW
B. 160,000 kW
C. 200,000 kW
D. 320,000 kW - Free energy change at equilibrium is____________________?
A. Zero
B. Positive
C. Negative
D. Indeterminate - The value of (Cp – Cv) for a real gas obeying Vander Wall’s equation is____________________?
A. R
B. > R
C. < R
D. 0.5 R
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