Valves MCQ

Test your knowledge with important Valves MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Valves MCQs at Bissoy

• The flow capacity of a valve is calculated by the _________ Cv, the flow of water through a wide—open valve in U.S. gal/min for a pressure gradient of 1 psi. For a given nominal valve size the highest Cv is achieved with ball valves followed by (in decreasing order) gate, plug, and globe valves.
  ক

  Hydraulic valve coefficient

  খ

  Constant for flow conditions

  গ

  Boltzmann constant

  ঘ

  Kraft’s constant
• __________ valves utilise a flexible diaphragm (disk) against a fixed seat. Both of these allow the control mechanism to be completely sealed from the fluid without the utilization of seals or glands, although they are limited to relatively low temperatures and pressures.
  ক

  Globe

  খ

  Gate

  গ

  Throttling

  ঘ

  Diaphragm
• What is the type of the valve?
  ক

  Plug

  খ

  Gate

  গ

  Globe

  ঘ

  Throttle