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Q. Burner Management - Discrete Controls for steam generators?
The burner management system shall control the generator operation during pre-purge, light off, normal operation, post purge and shutdown, for normal and emergency conditions.
The system shall automatically control all sequences and shall monitor all safety limit devices to provide a safe shutdown.
The burner management logic will be programmed into a stand-alone BMS or PLC by the Vendor. It will be rack mounted inside the local panel.
Note that 480 V or 600 V motor circuit protectors (depending on the project), contactors, control transformers, thermistor relays, and time delay may be provided by WorleyParsons in the Central Plant Motor Control Centre for the combustion air fan.
It is essential to select a flat belt drive for a compressor running at 720 r.p.m which is driven by a 25kW, 1440 r.p.m. motor. Space is available for a distance of 3m. The belt is
Selection of boiler?
Find out tension in the rop: Two blocks A and B are associated as shown in Figure (a). Mass of block A is 15 kg and this is resting on a surface having a coefficient of fricti
Q. Show the Welding processes The following welding processes are permitted: Shielded Metal-Arc Welding (SMAW) - Do not use SMAW for the root pass of single side groove we
CO 2 Gas Supply The CO 2 shielding gas is supplied cylinders at high pressure (140 kg / cm 2 ). Therefore pressure regulator and flow meter are connected to reduce the pressu
Limit of proportionality: Limit of proportionality is the stress at which the stress - strain diagram ceases to be a straight line that is, stress at which the extension ceas
A shaft is hinghed by two bearings placed 1.0 m apart. A 600mm diameter pulley is mounted at a distance of 300 mm to the right of left hand bearing and this operates a pulley direc
Are there jobs in the field of Mechanical Engineering that incorporate the outdoors? I am an outdoorsman for one, and a tradesman at heart and am currently a Mechanical engineering
a) Determine the value of σ 0 to cause failure when θ=30°, according to the maximum stress failure criterion. Consider both σ 0 > 0 and σ 0 e.g. "failure in longitudinal tens
Working of boiler : Water is filled in boiler shell through the feed valve up to 2/3 rd of shell. Water flows down through the down take header by means of descending wa
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