Description : Function of fusible plug in a boiler is to (A) Drain out water and sludge from the boiler during repair (B) Put off fire in the furnace when water level in the boiler falls to unsafe limit (C) Guard the boiler in case of abnormal rise in steam pressure (D) All (A), (B) & (C)
Last Answer : (B) Put off fire in the furnace when water level in the boiler falls to unsafe limit
Description : Blow off cock is provided in steam boiler to (A) Guard the boiler in case of abnormal rise in steam pressure (B) Drain out water and sludge during its repair (C) Regulate the supply of water in boiler (D) Put out the fire in the furnace when the water level in the boiler falls to unsafe limit
Last Answer : (B) Drain out water and sludge during its repair
Description : Which of the following is a boiler accessory i.e., not a boiler mounting? (A) Blow off cock (B) Feed check valve (C) Feed water pump (D) Stop valve
Last Answer : (C) Feed water pump
Description : Wood metal is not used for making (A) Soft solder (B) Casting for dental work (C) Storage tank for storing brine and caustic soda (D) Fusible safety plug for pressure cooke
Last Answer : (C) Storage tank for storing brine and caustic soda
Description : The valve commonly used in pipes larger than 2" dia is a (A) Globe valve (B) Plug-cock (C) Gate valve (D) Check valve
Last Answer : (C) Gate valve
Description : Why Does The Safety Valve On My Tank Blow Off?
Last Answer : This is caused by a pressure switch improperly installed, set too high or malfunctioning. Safety valves do not normally fail on their own.
Description : Can I blow horse cock I m just wondering?
Last Answer : 380 to 550 kilograms
Description : A spring of stiffness 100 N/mm used in a spring-loaded safety valve of diameter 20 mm on a boiler with the pressure inside the boiler equal to 1 MPa should be initially compressed by a. 5mm b. 3.14 mm c. 2mm d. 6.28 mm
Last Answer : b. 3.14 mm
Description : Which of the following option is incorrect about the sludges? a) Sludges are soft, loose and slimy precipitate b) They are non-adherent deposits and can be easily removed c) Formed generally at heated portions of the boiler d) Can be removed by blow down operation
Last Answer : c) Formed generally at heated portions of the boiler
Description : A device known as a _______ is used to release condensate from the pipework whilst preventing the steam from escaping from the system. a. Steam traps b. Steam pipes c. Boiler nose d. Release valve
Last Answer : a. Steam traps
Description : 1998 Volkswagen jetta VR6, where is my blow off valve stock?
Last Answer : Is it the 1.9, 2.0 , or 2.8?
Description : What are blow off valve?
Last Answer : Answer: It is a variety of globe valve confirming with boiler code requirements and specially designed for boiler blowoff service. WYE pattern and angle type, used to remove air and other gases from boilers etc.
Description : f the temperature falls below 18 degrees, the heating is switched on. When the temperature reaches 21 degrees, the heating is switched off. What is the minimum set of test input values to cover all valid equivalence ... 17, 18, 20 and 21 degrees C. 18, 20 and 22 degrees D. 16 and 26 degrees
Last Answer : A. 15, 19 and 25 degrees
Description : Does anyone know if its just possible to blow up the site where the oil rig was, at the base, to simply shut the hole and plug up the entrance?
Last Answer : answer:That don’t work under water. It would just break up the base and most likely make a bigger leakier leak. When it is done on land it is only done to put out the burning geyser. Sort of like blowing out a candle. Then they can put a cap on it.
Description : A Hybrid Vehicle equipped with push button start will enter the power ON mode but will not enter the ready to drive mode .No diagnostic trouble code are stored this could cause by a) The high voltage safety ... removed b) A failed brake on/off switch c) An empty fuel tank d) A disconnect 12v battery
Last Answer : b) A failed brake on/off switch
Description : Why we never disconnect the tubing from the gas cock without first turning the gas off?
Last Answer : If the gas is not turned off first, on removing the tubing, gas will escape - very dangerous.
Description : The hammer blow in pipes occurs when (A) There is excessive leakage in the pipe (B) The pipe bursts under high pressure of fluid (C) The flow of fluid through the pipe is suddenly brought to ... valve (D) The flow of fluid through the pipe is gradually brought to rest by closing of the valve
Last Answer : Answer: Option C
Description : Crafty Jellies can you answer a question about fusible web?
Last Answer : Pretty strong. What’s the usage you’re wondering about?
Description : If an electrical heater has three heating elements connected in parallel why does each element have its own fusible link and limit switch?
Last Answer : What is the answer ?
Description : Flux reacts with the impurities to form fusible material. which is known as which name?
Last Answer : Slag
Description : The fusible substance obtained when flux combines with the gangue is known as?
Description : State the function of the following parts in a heat engine: a) Crank shaft b) spark plug c) carburettord) kick starter e) inlet valve f) outlet valve
Last Answer : a) Crankshaft converts the linear movement of piston into circular motion. b) Spark plug is used in petrol engine to ignite the mixture of petrol and air in the cylinder. c) Carburettorhelps to mix ... -air or air into the cylinder. f) Outlet Valve allows the exhaust gases out of the cylinder.
Description : Where plug type disc globe valve is used?
Last Answer : Answer: For severe regulating service with gritty liquids such as boiler feedwater and for blow off service.
Description : What is dimensional standard for plug valve?
Last Answer : Answer: API 599.
Description : What are eccentric plug valve?
Last Answer : Answer: Off center plug, corrosive and abrasive service, on off action, moves into and away from seat eliminating abrasive wear.
Description : What are permasil plug valve?
Last Answer : Answer: Plug valves with Teflon seat instead of sleeves, for on-off applications, can handle clean viscous and corrosive liquids, Graphite seat for high temperature applications. Drip tight shut off not possible.
Description : What are Teflon sleeved plug valve?
Last Answer : Answer: PTFE sleeve between plug and body of valve, low turning effort, minimum friction, temperature limitation, anti static design possible.
Description : What is pressure balanced plug valve?
Last Answer : Answer: With holes in port top and bottom connecting two chambers on top and bottom of plug, to reduce turning effort.
Description : What are inverted plug design valve?
Last Answer : Answer: Plug valve with taper portion up of plug. For 8” and higher size.
Description : What are ventury pattern plug valve?
Last Answer : Answer: Change of section through the body throat so graded to have ventury effect, minimum pressure loss.
Description : What are short pattern plug valve?
Last Answer : Answer: Valves with face to face dimension of gate valve, as a alternative to gate valve.
Description : What is regular pattern plug valve?
Last Answer : Answer: Rectangular port, area almost equal to pipe bore, smooth transition from round body to rectangular port, for minimum pressure loss.
Description : What are three patterns of plug valve design?
Last Answer : Answer: Regular pattern, short pattern and ventury pattern.
Description : What is metal seated lubricated plug valve?
Last Answer : Answer: A plug valve with no plastic material, where grease is applied to contacting surfaces for easy operation.
Description : What can do to protect my hair from the damage of blow-drying?
Last Answer : Good conditioner should help. Look for one that says something about heat styling. Also, use a dryer with multiple settings, and don’t use the hottest one.
Description : Buying a 102 decibel whistle for walking my dog and wonder if I have to blow it for safety, if the dog's ears and my ears will be okay?
Last Answer : I can’t imagine an emergency in which you would need that kind of whistle. If you have a true emergency in which someone is attacking you, I would have a can of pepper spray instead of a whistle.
Description : Which of the following statements is true concerning the cleaning of electrical contacts? A. Compressed air should be used to blow out metallic dust. B. Magnetic brushes should be used to remove ... contact resistance. D. Delicate parts should be cleaned with a brush and an approved safety solvent.
Last Answer : Answer: D
Description : Purpose of relief valve in a reciprocating pump is to (A) Protect the pump against developing excessive pressure (B) Facilitate unidirectional flow of liquid (C) Reduce the discharge pressure (D) Control the rate of discharge
Last Answer : (A) Protect the pump against developing excessive pressure
Description : Is there a device that I can plug my refrigerator into, that will cycle the fridge on and off in order to save energy?
Last Answer : Your refrigerator already has a thermostat that does just that. If you cycled it off more than the thermostat calls for, its internal temperature would rise, introducing food safety and spoilage risks.
Description : Of the four locations mentioned below, the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open (a) At sea level (b) At the top of Mt Everest (c) ... ) In an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level
Last Answer : Ans:(c)
Description : The illustrated motor controller _________. EL-0023 A. is a low voltage release controller because the motor will stop when voltage falls below a certain value and automaticly start when normal voltage ... with a generator or transformer bank that is 'wye' wound with T2 connected to the neutral
Last Answer : Answer: B
Description : Scale formation in boiler is controlled by (A) Preheating of feed water (B) Reduction in hardness, silica & alumina in feed water (C) Keeping the pH value of feed water just below 7 (D) Eliminating H2S in feed water
Last Answer : (B) Reduction in hardness, silica & alumina in feed water
Description : A safety valve usually employed with stationary boilers is (A) Lever safety valve (B) Dead weight safety valve (C) High steam and low water safety valve (D) All of these
Last Answer : (D) All of these
Description : A fireman is running to get a net under a lady who looks like she might jump off the balcony of her 20 story apartment building. There is nothing below her except a 20 story fall. The fireman is still ... get there in time. The woman is not hurt more than a bruise. How is that possible? -Riddles
Last Answer : She fell back into her apartment, jumping from the balcony into the inside.
Description : A thermometer measures temperature in whole degrees only. If the temperature falls below 18 degrees, the heating is switched off. It is switched on again when the temperature reaches 21 degrees. What are the best values in degrees to ... and 25. B. 17,18 and19. C. 18, 20 and22. D. 16, 26 and 32.
Last Answer : A. 15,19 and 25.
Last Answer : SCR turned off when the anode current falls below holding current.
Description : Is boxing a cruel sport? We don’t like dog fights. We ban cock fights but yet we allow boxing.
Last Answer : I think its cruel, for some reason people love seeing people fight. Remember back in the day on the playground. One kid screams fight and everyone goes running to that spot. We like violence, and even if we dont like it happening we wanna see whats going on. Interesting.
Description : Ladies what does it feel like to get pummeled by a cock?
Last Answer : the midichlorian is the powerhouse of the cell
Description : In the song who killed Cock Robin?
Last Answer : Sparrow