How much LPG low pressure gas is required to melt 300kg in a furnace?

How much LPG low pressure gas is required to melt 300kg in a furnace?
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Description : Weight per unit of drawbar power is generally ranges between a)50-120kg/kw b)120-150kg/kw c)150-250kg/kw d)250-300kg/kw

Last Answer : a)50-120kg/kw

Maintain 850 OC for 1 hour (soaking time).  Cool the material to 60 OC in 4 hours. a) Calculate the efficiency of the furnace, if the specific heat of steel is 0.12 kcal/kgOC and fuel oil consumption per batch is 1400 litres.  GCV of fuel oil - 10200 kcal/kg,  Cost of fuel oil - Rs. 46,000/kL,  Sp. gr. of fuel oil - 0.92. b) Due to high cost of oil, the plant management decides to convert to a lower operating cost LPG fired furnace lined on the inside with ceramic fibre insulation and with an operating efficiency of 80%, for same requirement. The investment towards installation of the new furnace is Rs. 50 lakhs. Calculate the Return on Investment, if the plant operates two batches per day and 250 days in a year.  Cost of LPG - Rs. 75/kg,  GCV of LPG - 12500 kcal/kg.

Description : In a heat treatment shop, steel components are heat-treated in batches of 80 Tons. The  heat treatment cycle is as follows;  Increase temperature from 30 OC to 850 OC in 3 hours.  ... efficiency of 80%, for same requirement. The investment towards installation of  the new furnace is Rs. 50

Last Answer : Quantity of steel treated per batch - 80 Tons a. Efficiency of Furnace: Useful heat supplied to steel - 80000 x 0.12 x (850 - 30)   = 7872000 kcal/batch .1 mark Total heat ... = Rs. 64400/batch Efficiency of new LPG furnace - 80% Heat supplied in new LPG furnace - 7872000/0.8

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Last Answer : (D) All (A), (B) and (C)

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Description : LPG when brought to atmospheric pressure & temperature will be a (A) Liquid lighter than water (B) Liquid heavier than water (C) Gas lighter than air (D) Gas heavier than air

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Description : How much calories are required to melt 50 grams of ice at 0 degrees celcius?

Last Answer : Need answer

How much energy would be required to melt 500.g of ice at 0.00 degrees * C to water at 0.00 degrees * C ?

Description : How much energy would be required to melt 500.g of ice at 0.00 degrees * C to water at 0.00 degrees * C ?

Last Answer : 200

What is a calorie? w) amount of heat required to raise one gram of water one degree Celsius. x) amount of work required to move one gram of water by one centimeter. y) amount of heat required to melt ice. z) amount of heat required to raise one gram of water one degree Fahrenheit

Description : What is a calorie? w) amount of heat required to raise one gram of water one degree Celsius. x) amount of work required to move one gram of water by one centimeter. y) amount of heat required to melt ice. z) amount of heat required to raise one gram of water one degree Fahrenheit

Last Answer : ANSWER: W -- AMOUNT OF HEAT REQUIRED TO RAISE ONE GRAM OF WATER ONE DEGREE CELSIUS

The energy required to melt one mole of a solid at its melting point is called one of the following. w) the molar heat of fusion x) the molar hear of vaporization y) the molar heat of capacity z) the melting point

Description : The energy required to melt one mole of a solid at its melting point is called one of the following. w) the molar heat of fusion x) the molar hear of vaporization y) the molar heat of capacity z) the melting point

Last Answer : ANSWER: W -- THE MOLAR HEAT OF FUSION

Does ice melt faster in humid conditions (high relative humidity), or low?

Description : Does ice melt faster in humid conditions (high relative humidity), or low?

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Description : What ice melt will be effective on my driveway at very low temperatures, while doing very little damge to my lawn.

Last Answer : Kitty litter works but it is expensive.

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Description : The snow on the mountains does not melt all at once when it is heated by the sun because _____ A. It becomes very hard It B. It reflects most of the heat from the sun C. It has a low specific heat capacity D. It has a high latent heat of fusion

Last Answer : ANSWER: B

The snow on the mountains does NOT melt all at once when it is heated by the sum because: (1) It becomes very hard (2) It reflects most of the heat from the sum (3) it has a low specific heat capacity (4) it has a high latent heat of fusion

Description : The snow on the mountains does NOT melt all at once when it is heated by the sum because: (1) It becomes very hard (2) It reflects most of the heat from the sum (3) it has a low specific heat capacity (4) it has a high latent heat of fusion

Last Answer : (2) It reflects most of the heat from the sum Explanation: Newly formed snow reflects about 90 per cent of the sunlight that falls upon it. This means that the sun is powerless to melt clean snow. And when ... on a spring day because of the sun's heat. It melts because of the warm air from the sea.

The snow on the mountains does NOT melt all at once when it is heated by the sum because: (1) It becomes very hard (2) It reflects most of the heat from the sum (3) it has a low specific heat capacity (4) it has a high latent heat of fusion

Description : The snow on the mountains does NOT melt all at once when it is heated by the sum because: (1) It becomes very hard (2) It reflects most of the heat from the sum (3) it has a low specific heat capacity (4) it has a high latent heat of fusion

Last Answer : (2) It reflects most of the heat from the sum Explanation: Newly formed snow reflects about 90 per cent of the sunlight that falls upon it. This means that the sun is powerless to melt clean snow. And when ... on a spring day because of the sun's heat. It melts because of the warm air from the sea.

An AC generator operating in parallel loses its excitation without tripping the circuit breaker. This will __________. A. not affect the faulty generator due to the compensation of the other generators B. cause the slip rings to melt C. cause a low voltage differential to develop between the armature and the bus D. cause high currents to be induced in the field windings

Description : An AC generator operating in parallel loses its excitation without tripping the circuit breaker. This will __________. A. not affect the faulty generator due to the compensation of the other generators B. ... between the armature and the bus D. cause high currents to be induced in the field windings

Last Answer : Answer: D

The snow on the mountains does NOT melt all at once when it is heated by the sun because: (1) it becomes very hard (2) it reflects most of the heat from the sun (3) it has a low specific heat capacity (4) it has a high latent heat of fusion

Description : The snow on the mountains does NOT melt all at once when it is heated by the sun because: (1) it becomes very hard (2) it reflects most of the heat from the sun (3) it has a low specific heat capacity (4) it has a high latent heat of fusion

Last Answer : it reflects most of the heat from the sun

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Description : Ice is slippery when a man walks on it because a.Increase of pressure causes it to melt b.Ice is brittle c.There is no friction d.It is very chill e.Its surface is smooth

Last Answer : a. Increase of pressure causes it to melt

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Description : Some rocks are pushed deeper into the Earth. As these rocks experience greater heat and pressure, what type of rock will they turn into if they do not melt?

Last Answer : Metamorphic

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Description : What can melt rocks without changing temperature when their confining pressure?

Last Answer : Need answer

When a rock is subjected to high enough amounts of heat and pressure to change it but not melt it it change into which type of rock?

Description : When a rock is subjected to high enough amounts of heat and pressure to change it but not melt it it change into which type of rock?

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Description : Is propane gas buning to melt gold a physical change or a chemical change?

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Description : How much gas does an LPG Heater use?

Last Answer : A person should use a herater for maximum 4-5 hours. This is equal to 60MJ of consumption.There are different bottles available of various kgs. A 9 kg lpg heater goes for 4 months. 1 kg is 49 mj. 45 kg is 2205 mj.

Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by (A) Preheating the combustion air (B) Oxygen enrichment of combustion air (C) Preheating the fuel gas (D) All (A), (B) & (C)

Description : Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by (A) Preheating the combustion air (B) Oxygen enrichment of combustion air (C) Preheating the fuel gas (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

Coke oven gas is a better fuel than blast furnace gas, because of its higher (A) Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) (B) Adiabatic flame temperature (C) Heat release rate (thus requiring smaller combustion chamber) (D) All (A), (B) and (C)

Description : Coke oven gas is a better fuel than blast furnace gas, because of its higher (A) Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) (B) Adiabatic flame temperature ... release rate (thus requiring smaller combustion chamber) (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Find false statement about effect of sulphur in fuel? (A) It has heating value (B) It helps in electrostatic precipitation of ash in flue gases (C) It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low (D) It erodes furnace walls

Description : Find false statement about effect of sulphur in fuel? (A) It has heating value (B) It helps in electrostatic precipitation of ash in flue gases (C) It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low (D) It erodes furnace walls

Last Answer : (D) It erodes furnace walls

95% (by volume) of LPG at 760 mm Hg pressure will evaporate at__________ °C.(A) 2(B) -40(C) 30(D) 55

Description : 95% (by volume) of LPG at 760 mm Hg pressure will evaporate at__________ °C. (A) 2 (B) -40 (C) 30 (D) 55

Last Answer : (A) 2

What is liquefied petroleum gas (LPG)?

Description : What is liquefied petroleum gas (LPG)?

Last Answer : Liquefied petroleum gas (LPG) is a type of gas that is compressed for use as a fuel in vehicles.

What is liquefied petroleum gas (LPG)?

Description : What is liquefied petroleum gas (LPG)?

Last Answer : Liquefied petroleum gas (LPG) is a mixture of propane and butane that's stored in a compressed liquid state and can be used as a fuel in certain types of engines.

What is liquefied petroleum gas (LPG)?

Description : What is liquefied petroleum gas (LPG)?

Last Answer : Liquefied petroleum gas

Which is a strong smelling agent added to LPG cylinder to help in the detection of gas leakage? -Do You Know?

Description : Which is a strong smelling agent added to LPG cylinder to help in the detection of gas leakage? -Do You Know?

Last Answer : answer:

What does LPG gas contain? -General Knowledge

Description : What does LPG gas contain? -General Knowledge

Last Answer : answer:

LPG gas price for a 14.2 kg cylinder?

Description : LPG gas price for a 14.2 kg cylinder?

Last Answer : In India, domestic LPG cylinder's (14.2 KG) price varies from states to states and it changes every months. Even for the domestic LPG cylinder, there are two categories : Subsidized and Non-Subsidized cylinders. So, it ... - Rs.899.50 October - Rs. 899.50 September - Rs. 884.50 August - Rs. 859.50

LPG gas saving tips. How do I make my LPG cylinder last longer and save money?

Description : LPG gas saving tips. How do I make my LPG cylinder last longer and save money?

Last Answer : Here are some tips, Place your pot or pan in a way that it covers the entire flame. Keep your stove's burner clean. Cook efficiently. Avoid open vessel cooking. Measure what you cook. Wipe ... burner. Reduce flame once boiling starts. Use a pressure cooker. Make one-pot meals. Check for leaks.

Which is cheaper LPG gas or...?

Description : Which is cheaper LPG gas or...?

Last Answer : For now gass is cheaper than electricity can it have lower consumption rate. bath that May not be the case in the future because electricity is more Eco friendly solution.

Why butane gas is cheaper than LPG?

Description : Why butane gas is cheaper than LPG?

Last Answer : butane it's because when you want to travel in any place you can bring the butane that's the one of advantage of butane. in our country there's a lot of mountain and some of the travellers bring ... our country, there are many of small house and they use the butane because it is cheaper than the Lpg

Do all LPG gas appliances need a regulator?

Description : Do all LPG gas appliances need a regulator?

Last Answer : Yes a regulator needs to be installed at the source of gas supply. Example: Gas Grill, the gas supply must be regulated to keep pressure at a prescribed pressure for safety and also for grill ... gas to flow to appliance at a set pressure. Because tank pressure will vary dependant on temperature.

What are the health effects of using LPG Gas?

Description : What are the health effects of using LPG Gas?

Last Answer : Firstly,it will not let you suffer from any kind of lung-related diseases which general stove causes.Also,you don't need to give so much time to ignite it.

Who are the best LPG gas equipment Suppliers in Dubai?

Description : Who are the best LPG gas equipment Suppliers in Dubai?

Last Answer : Brothers Gas is the best LPG gas equipments in Dubai. They deliver supply security that is unmatched in the industry through their substantial gas storage and supply chain infrastructure. This offers real reassurance and reliability to all their customers.

After how long the regulator of LPG gas should be changed?

Description : After how long the regulator of LPG gas should be changed?

Last Answer : Hi there, My name is Nesim and today I will try to answer your question: "After how long the regulator of LPG gas should be changed". Now, regulator is the main part of your LPG gas ... agency people because they should be able to help you out. Hope this answers your question, Best regards, Nesim

What is the proportion of Propane and Butane gas in LPG Cylinder?

Description : What is the proportion of Propane and Butane gas in LPG Cylinder?

Last Answer : In Australia, England, and the United States, it's 100% propane. In New Zealand and Belgium, it's 60% propane and 40% butane. In India, Spain, and Hungary, it's 35% propane and 65% butane. In ... on climate. Some even change the ration based on the season. But it is never less than 20% propane.

What is the price of LPG Gas Cylinder in Dubai?

Description : What is the price of LPG Gas Cylinder in Dubai?

Last Answer : The leading supplier of LPG cylinders in Dubai is Emirates Gas. They have 11kg cylinders for 83 AED, 22kg cylinders for 135 AED, and 44kg cylinders for 285 AED.

What are the components of LPG Gas?

Description : What are the components of LPG Gas?

Last Answer : LPG known as Liquefied Petroleum Gas is mainly made up of Butane (C4H10) or Propane (C3H8) and is obtained from Natural Gas or crude oil processing. LPG can be liquefied under low pressure of 5 ... in cylinder, it application ranges from home use for cooking to source of motor fuel for vehicles.

What are the tips to save LPG gas stove while cooking?

Description : What are the tips to save LPG gas stove while cooking?

Last Answer : There are several ways for you to save gas when cooking: When heating water - only heat the amount of water that is needed. Cover your pot with a lid so that the water will boil faster. When ... keep the stove clean and make sure the burners are kept clean. When done cooking, turn off the gas.

Which gas is used in LPG cylinder?

Description : Which gas is used in LPG cylinder?

Last Answer : Propane and Butane

Consider the following statements: 1. Detergents do not produce lather with hard water 2. Water gas is a mixture of carbon monoxide and hydrogen 3. Methane is the chief constituent of CNG 4. LPG contains mainly n-butane 5. The correct statements are: (a) 1, 2 and 4 only (b) 1,3 and 4 only (c) 2, 3 and 4 only (d) 1, 2 and 3 only

Description : Consider the following statements: 1. Detergents do not produce lather with hard water 2. Water gas is a mixture of carbon monoxide and hydrogen 3. Methane is the chief constituent of CNG 4. LPG contains mainly n-butane 5. The correct ... (b) 1,3 and 4 only (c) 2, 3 and 4 only (d) 1, 2 and 3 only

Last Answer : Ans:(c)

Which is a strong smelling agent added to LPG cylinder to help in the detection of gas leakage?

Description : Which is a strong smelling agent added to LPG cylinder to help in the detection of gas leakage?

Last Answer : Thioethanol

Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of (A) Propane & butane (B) Butane & ethane (C) Methane & ethane (D) Methane & carbon monoxide

Description : Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of (A) Propane & butane (B) Butane & ethane (C) Methane & ethane (D) Methane & carbon monoxide

Last Answer : (A) Propane & butane

Mercaptans are added to liquefied petroleum gas (LPG) to (A) Reduce its cost (B) Narrow down its explosion limit (C) Assist in checking its leakage from cylinder (D) Increase its calorific value

Description : Mercaptans are added to liquefied petroleum gas (LPG) to (A) Reduce its cost (B) Narrow down its explosion limit (C) Assist in checking its leakage from cylinder (D) Increase its calorific value

Last Answer : (C) Assist in checking its leakage from cylinder

Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c). (A) One fourth (B) One third (C) Half (D) One eighth

Description : Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c). (A) One fourth (B) One third (C) Half (D) One eighth

Last Answer : (C) Half

LPG stands for (A) Liquid petroleum gas (B) Liquefied petrol gas (C) Liquid petrol gas (D) Liquefied petroleum gas

Description : LPG stands for (A) Liquid petroleum gas (B) Liquefied petrol gas (C) Liquid petrol gas (D) Liquefied petroleum gas

Last Answer : (D) Liquefied petroleum gas

Liquefied Petroleum Gas (LPG) is mainly a mixture of (A) Propane & butane (B) Methane & ethane (C) High boiling olefins (D) High boiling naphthenes

Description : Liquefied Petroleum Gas (LPG) is mainly a mixture of (A) Propane & butane (B) Methane & ethane (C) High boiling olefins (D) High boiling naphthenes

Last Answer : (A) Propane & butane