HVAC Controls Operation and Maintenance PDF free download
HVAC Controls Operation and Maintenance .. Now in it's newly updated third edition, this handbook was written to serve as a complete and concise reference for those engaged in the…
HVAC Controls Operation and Maintenance .. Now in it's newly updated third edition, this handbook was written to serve as a complete and concise reference for those engaged in the…
Mechanical Engineering Interview Questions Part-651. A refrigerator and a heat pump are working on the reversed Carnot cycle between the same temperature limits. How COP of refrigerator and heat pump…
Mechanical Engineering Interview Questions Part-51. Why excess air is required to burn a fuel completely ?Answer: Excess air is required to ensure adequate mixing of fuel and air, avoid smoke,…
Mechanical Engineering Interview Questions Part-4 151. Why rockets using liquid hydrogen have higher specific impulse compared to liquid hydrocarbon ?Liquid hydrogen has higher burning velocity.152. Why axial flow compressor is preferred for…
Mechanical Engineering Interview Questions Part-3101. What is the difference between scavenging and supercharging ?Scavenging is process of flushing out burnt gases from engine cylinder by introducing fresh air in the cylinder…
Mechanical Engineering Interview Questions Part-21. Car tyres are usually made of ?Styrene-butadine rubber.2. What is the structure of pure iron and whether it is soft or hard ?Ferrite and it…
Mechanical Engineering Interview Questions: Part-11. What is the difference between isotropic and anisotropic materials ?If a material exhibits same mechanical properties regardless of loading direction, it is isotropic, e.g., homogeneous…
Types of Fire Protection SystemFire protection systems are unique in that the majority of their service life is spent in a static, no-flow condition. However, when required to operate in…