Bissoy.com
Doctors Medicines MCQs Q&A

What is the full form of HVWSS?

What is the full form of HVWSS? Correct Answer High velocity Water Spray System

Explanation:

High Velocity Water Spray System (HVWSS):

  1. High velocity water spray systems are installed to extinguish fires involving liquids with flash points 65°C (150°F) or higher.
  2. High velocity water spray system is to protect Transformers.
  3. The system comprises of network of underground and above ground piping, control valve (Deluge Valve), sprinkler bulb detectors, water spray nozzles/Projectors.
  4. System is pressurized with water up to below the control valve (deluge valve) using pumps and connected to a reliable source of water supply. The piping network above the control valve remains empty consisting open spray nozzles/projectors.

Medium Velocity Water Spray System (MVWSS):

  • Designed in accordance to international standards, this system is installed to control the burning and to provide cooling and/ or exposure protection to such risks where extinguishment is always not possible or even desirable.

Some of the areas where this system is widely used are

  1. Working plants like LPG bottling plants, chemical plants where flammable solvents are stored and/ or used etc.
  2. Horizontal storage vessels (like LPG Bullets, NH3 storage tanks etc.)
  3. Vertical storage vessels (like benzene, xylene, toluene tankage etc.)
  4. Spherical storage vessels (like LPG bullets, spheres etc.)
  5. Spot protection (Protection of selective areas/ equipments)

Related Questions

Which three statements are true about the operation of a full-duplex Ethernet network?
1. There are no collisions in full-duplex mode.
2. A dedicated switch port is required for each full-duplex node.
3. Ethernet hub ports are preconfigured for full-duplex mode.
4. In a full-duplex environment, the host network card must check for the availability of the network media before transmitting.
5. The host network card and the switch port must be capable of operating in full-duplex mode.
The charges for a five-day trip by a tourist bus for one full ticket and a half-ticket are Rs. 1440 inclusive of boarding charges which are same for a full ticket and a half-ticket. The charges for the same trip for 2 full tickets and one half-ticket inclusive of boarding charges are Rs. 2220. The fare for a half-ticket is 75% of the full ticket. Find the fare and the boarding charges separately for one full ticket.
When we compare the half bridge converter and full bridge converter 1. The maximum collector current of a full bridge is only double that of the half bridge 2. Full bridge uses 4-power switches instead of 2, as in the double bridge. 3. Output power of a full bridge is twice that of a half bridge with the same input voltage and current. When of the above statements are correct?
A Concert half ticket costs half the full basic ticket and the VIP area charge is the same on half ticket as on full ticket. One VIP ticket costs Rs. 216 and one full and one half VIP tickets cost Rs. 327. What is the basic full ticket cost and what is the VIP charge?
For submitting tax returns, all resident males with annual income below Rs 10 lakh should fill up Form P and all resident females with income below Rs 8 lakh should fill up Form Q. All people with incomes above Rs 10 lakh should fill up Form R, except non residents with income above Rs 15 lakhs, who should fill up Form S. All others should fill Form T. An example of a person who should fill Form T is
If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is (i) Presumptive coli-form test (ii) Confirmed coli-form test (iii) Completed coli-form test
If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is
(i) Presumptive coli-form test
(ii) Confirmed coli-form test
(iii) Completed coli-form test
A gas tank that is 1/3 full requires 6 gallons to make it 5/6 full. What is its full capacity?
If Farhan were to add 5 gallons of kerosine to a tank that is already 3/4 full of kerosine , the tank would be 7/8 full. How many gallons of kerosine would the tank hold if it were full ?
If Farhan were to add 5 gallons of kerosene to a tank that is already 34 full of kerosine , the tank would be 78 full . How many gallons of kerosine would the tank hold if it wre full .