Showing posts from September, 2020

work permit system  

What is fire

What is fire  

Best earphones wireless

  Boult Audio AirBass LiveBuds True Wireless in-Ear Earphones with Mic & Magnetic Charging Case, Latest Bluetooth 5.0 Headphone, Auto Pairing & Playtime Upto 18 Hours with Case (Black) Specification One Button Control & Voice Assistant] With one multifunction button, you can play/pause, previous/next track and answer/hang-up calls.Voice assistant function lets you access siri/Google Assistant [Auto pairing ] Automatically pair with your device as soon as you take them out of the case. No need to manually pair to your device each time [Passive Noise Canceling] These Truly Wireless earbuds can block out most of surrounding noises. You will be out of the street noise and get into the fantastic world of music with the sound quality Offers playback time of up to 5.5 hours for every charge. Carrying case can give 4 additional charges to the earbuds making total play-time of up to 18 Hours [Monopod Feature] The earbuds can be used separately after successful pairing. Not only list

Best smart watches under 7000

  Noise NoiseFit Evolve Full Touch Control Smart Watch with AMOLED Display - Slate Black Specification 1.2’’ round AMOLED Full Touch Screen with multiple watch faces so you can swipe, tap, read & notifications and other updates with ease. The Aluminium Alloy case with easily swappable straps makes for the perfect style statement for your wrist Equipped with Sleep Tracker, Step Counter, Calorie Counter, so you can get complete health updates 24/7 Heart Rate Monitoring that measures your heart rate, manually and automatically at an interval of 10 minutes and see and analyze the trends over the past year. Get in shape comes with a dedicated 9 sports mode that tracks your daily activities like Walking, Running, Mountain Climbing, Yoga and more. Go up to 3 days without charging your watch or use it as a normal analog  clock f or 10 days on a single charge Head out and push your limits without worrying about sweat or little rain damaging the watch, thanks to the IP68 sweatproof Now contr

Best gaming headphone

  boAt Rockerz 450 Wireless Bluetooth Headphone specification Tap into instant wireless connectivity with optimum Bluetooth V4.2 connectivity. Its 4mm dynamic drivers help pump out immersive HD audio all day long. The 3mAh battery capacity offers a nonstop superior playback time of up to 8 Hours Cosmic Byte GS430 Gaming Headphone Specification Immersive 3D gaming sound: with high precision magnetic neodymium driver, Cosmic Byte headsets offer a 360-degree soundscape, add a sense of realism to your gaming session Flexible noise cancellation boom mic: GS430 accurately pick up your voice and differentiate between it & background noise. With 120° flexible design, easy to adjust mic position at your will Ergonomic design: Cosmic Byte headset shape are designed to naturally fit the human head, the earmuff is filled with soft memory foam, and adjustable headband help to fit different people Compatibility: with 3. 5mm jack, compatible with PS4, Xbox One S/X, PC, laptop, Mac, iPad, tablet

Requirement for dry powder tender

 Requirement The dry chemical fire tender is designed in such position that it can carry 150 kg of dry powder Design and construction a) Wheel base not greater than 3.20 m, b) Overall width not greater than 2.0 m, c) Road clearance not less than 20 cm, and d) Turning circle not greater than 17 m. The chassis shall be of four wheel and drive on all the four wheel The rear axle shall be fitted with stabilizer Dry powder extinguishing equipment Two dry powder extinguishing cylinder of 75 kg shall be mounted on chassis Each cylinder of 75 kg capacity shall be connected with nitrogen cylinder separately having capacity of not less than 1.7 cubic meter and fitted with reducer valve and 10 m of 25 mm dia pneumatic rubber hose operated one at a time. The discharge rate for the powder shall be not less than 2.5 kg per second and throw shall be not less than 10 m for a minimum period of 25 seconds. The total discharge of the powder shall not be less than 85 percent of total content. One addition

Fog Nozzel

 A fog nozzel is a fire fighting nozzel. It breaks the water Stream into small one. Due to break down of small droplets it covers great surface due to which it absorb more amount of heat  Materials They are made up of casting and forging  like  Sand casting                         Grade LTD 2 of IS : 318-1981 or                                               Grade HTB 1 of IS : 304-1981 Die casting                            Grade 3 of IS : 292-1983 Hot forging                           Grade 1 of IS 291 Gravity die casting                IS 1264 Washer - Washer shall be conform from IS 937 Extension applicator-    It shall be of aluminium alloy tube according to IS 738. Shape and diemension The length of the applicator if used shall not be less than 1.75m. Nozzel end shall have a bend of angle 90 to 100 degree. The threads at the two ends shall have a length of not less than 20 mm Performance requirement The fog nozzel head shall not have a flow less than 225 l/min  The jet head of the

Crash fire tender

 Classification of requirement The ACFT shall consist of a water tank of capacity indicated below with necessary fittings: Class                                   SeIf-Defence                                           Water Capacity                                                  Litres Class I                                  upto 4500 Class 11                            4501 upto 6500 Class 111                          6501 upto 9000 Class IV                            9001 and above The primary extinguishing agent shall be either AFFF  or protein based with 3 percent or 6 percent foam concentrate. A mid-ship mounted pump driven of the vehicle PTO shall be fitted having a minimum output of 4000 l/rein at a delivery pressure 8.5 kg/cm2 and suction lift 1.5 m. The pump shall also be capable of minimum output 3000 l/rein at higher pressure of not exceeding 12.5 kg/cm2 to suit the monitor output for same suction mode. The air field crash fire tender (ACFT) shall be capable of the follow