What are different types of gate valves?
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what is the difference between codes,standards, specification?
give the function of thermostat
boiler fusible plug melt down, normally melt down due less water or feed pump failure, but is there any possibility of fusible plug melt down due to high temperature in firing zone and at that time water level is perfect at it's level.
Metals, in general are of low strength and do not possess required physio-chemical and technological properties for a definite purpose. Alloys are therefore more than metals alone. Discuss the arrangement of atoms and structures of alloys.
Is the hvac machines are designed 10% less than the electrical feeder value?
explain the mixture requirement of si engine to meet the demands of various operating condition?
what is the difference between BSP, BSW, NPT & G Threads. How can I identify them from a given component.
what is the diffrence between Torque and Power ( layman Idea)?
interview questions asked in BHEL posteded in website
please give me the ans. of following mcq A nozzle is a device which: (A) Increase pressure & reduce kinetic energy (B) Decreases pressure & increases kinetic energy (C) Reduces both pressure & kinetic energy (D) Increases both pressure & kinetic energy
what is the diffrence between fan & blower
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How Much static pressure as per NFPA standard is required in the hydrant line?