A. 0.03
B. 0.3
C. 0.8
D. 1.5
Related Mcqs:
- One ton of refrigeration is defined as the heat rate corresponding to melting of one ton of ice in one ________________?
A. Hour
B. Day
C. Minute
D. Second - COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about____________________?
A. 0.5
B. 3.5
C. 4.5
D. 8.5 - Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by_________________?
A. Quenching of hot coke
B. Discharging in the river stream
C. Filtration and recycling for cooling coke oven gas
D. None of these - Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by_______________?
A. Chlorination
B. Treating in biological oxygen pond
C. Chemical coagulation
D. None of these - 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 - Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is_________________?
A. 1.72
B. 0.58
C. 0.5
D. 0.2 - In _______________ process, ions of salts react with water to produce acidity or alkalinity ?
A. Hydration
B. Hydrolysis
C. Electrolysis
D. Dialysis - The amount of heat required to decompose a compound into its elements is _____________ the heat of formation of that compound from its elements?
A. Less than
B. More than
C. Same as
D. Not related to - A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is__________________?
A. 13728 J
B. 19206 J
C. 4576 J
D. 12712 J - The quantity of heat required to evaporate 1 kg of a saturated liquid is called __________________?
A. Specific heat
B. 1 Kcal
C. Sensible heat
D. Latent heat
