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Ratio of chemical A and B in boiler Y is 3 : 2 and Boiler X has ratio of chemical A to chemical B as 1 : 7, 16 litres of mixture is removed transferred from boiler X to boiler Y. What is the total capacity of boiler Y if capacity of boiler X is 144 litres and difference between chemical A and B in boiler Y after transfer is 25 litres? Assume that after transferring 16 litres from boiler X, boiler Y is running at full capacity
Water (CP = 4 kJ/kg K) is fed to a boiler at 30°C, the enthalpy of vaporization at atmospheric pressure in the boiler is 2400 kJ/kg; the steam coming from the boiler is 0.9 dry. What is the net heat supplied in the boiler?
A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.
A boiler accessory that is used to put off the fire in the furnace of the boiler when the water level in the boiler falls below a safe level and prevent overheating of tubes
Which of the following statements regarding steam boilers are correct? 1. The boiler must be capable of quick starting and loading. 2. The boiler should have no joints exposed to flames. 3. The boiler must be capable of burning low ash content coal efficiently.
Read the following statement about boilers. I. Water tube boiler is capable of generating steam of pressure more than 50 kg/cm2 . II. Fire tube boiler is suitable for generating steam of pressure less than 17.5 kg/cm2 . III. Water tube boiler occupy comparatively less space.
In a vertical thermosyphon re-boiler, it is due to the __________ difference that the circulation in the liquid occurs, between vapour-liquid mixture from the re-boiler and the liquid through the down-comer to the re-boiler.
Read the following in the context of the Sale of Goods Act:
(1) A Sells to B a boiler for the purpose of manufacturing carbon paper. The boiler does not satisfy the requirement of Indian Boiler's Act. B is entitled to recover damages.
(2) A contracts to make and deliver a set of false teeth to B. The false teeth do not fit in the mouth of B. B is entitled to reject the goods.
Of the above:
The important parameters describing the performance of a hydraulic machine are: P the power input, H the head produced across the machine and the efficiency, η. For a given geometrical design of the machine, the performance is characterized by the variables: H – the head increase across the machine ρ – the fluid density, ω – the angular velocity of the rotor, D – the diameter of the rotor, μ  – the fluid viscosity and Q – the flow rate; and both P and η are expressed through these variables. How many non-dimensional parameters are involved herein? Gravitational acceleration g has also to be considered necessarily?
Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler?