What point where ethanol is all done melting?

Q: 37. Almost all thermoplastics are moulded by........ O A. injection moulding. O B. Comerssion. O C.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Why do we prefer to coat metals with ceramics? What kind of additional property would a ceramic…

A: In this question the usefulness of ceramic coating on metal surface is to be discussed. Also, the…

Q: Gasoline with an octane number of 92 has the same knocking tendency as a mixture of iso-octane and…

A: Given that, The octane number of gasoline = 92 It is required to calculate the weight percent of…

Q: What type of bonding that is present in silicates and aluminates ?

A: The type of bonding present in silicates and aluminates is to be mentioned.

Q: Which of the following is TRUE regarding saponification? Saponification is essentially an…

A: Introduction Saponification can be defined as a hydration reaction where free hydroxide breaks the…

Q: 7 ----------- centrifuge is the most suitable for separation of non-friable crystals. Tubular bowl…

A: The objective of the question is to identify the most suitable type of centrifuge for the separation…

Q: Which of the following materials combinations are most likely to fail due to excessive wear in the…

A: To find The material combination most likely to fail due to excessive wear in the short-medium term…

Q: Explain Humid volume?

A: The term humid volume is to be explained.

Q: What do you mean by Thermal Barrier Coatings ? Compare the physical and chemical vapor deposition…

A: Thermal barrier coatings (TBCs) qualify the engines to function at higher temperatures without…

Q: What are transition metals? Give their common properties.

A: The definition of the transition elements is to be mentioned along with properties.

Q: Which synthetic process is used for producing a powder of homogeneous composition?

A: The process helps in the production of the powder with homogeneous composition is to be mentioned.

Q: Why is distillation boundary important?

A: The reason for the importance of distillation boundary is to be mentioned.

Q: How is oil formed in the ground?

A: There are two theories for the origin and formation of oil. Consider my following slides for a…

Q: What is a passivation layer?

A: Passivation, or becoming "passive," means offering resistance to be affected or to be corroded by…

Q: 3. Which of the following processes result in strengthening of a metal! a. cold work b. annealing c.…

A: As per the given options,  a. Cold work results in strengthening of a metal by introducing…

Q: Compare between the typs lubrication: liquid oil, solid oil and greases oil

A: A lubricant is a substance that helps to reduce friction between surfaces in mutual contact, which…

Q: Fuel-oxidant ratio affects _____________ and _______________. flame's temperature, viscosity flame's…

A: Answer: Flame`s temperature and explosive limit pressure

Q: Is the heat treatment process (annealing, normalizing and hardening) an effect of changing the…

A: Yes,  heat treatment process (annealing, normalising and hardening) effects in changing the…

Q: Why is there such a large variety of drying equipment?

A: Dryers are used in almost every industry especially food industry. The food industry is very diverse…

Q: Why is it necessary to preheat the feed for distillation?

A: It is to be mentioned why pre-heating of feed is necessary for distillation.

Q: Generally for gases, higher temperature results in density. * O higher O neither higher nor lower O…

A: Explanation: Gases are compressible fluid whose molecules are separated and random in motion. When…

Q: Why does rubber have to be crosslinked to be useful? How is this done

A: Rubber is a polymeric material commonly known as elastomer. There are two types of rubber, (1)…

Q: Define the Exergy Destruction During Heat Conduction.

A: The destruction of the exergy in the process of heat conduction is to be determined.

Q: How will you deposit corrosion resistant copper on the surface of base metal,without using any…

A: Corrosion is a process of decomposition of the metal ions by oxidation and reduction of metal in…

Q: What is Material balance of absorption Energy balance of absorption.

A: It is required to explain material balance and energy balance of absorption.

Q: Which steel can be treated by spherodization?

A: The type of steel that can be treated by spherodization is to be mentioned.

Q: What are called solid solutions? Write a short note on tungsten carbide alloys.

A: In the given question solid solutions are to be explained along tungsten carbide alloys have to…

Q: Is there an alternative process for reflux heating? This is about catalyst preparation

A:

Q: What are the most commonly employed modes of heat transfer for drying? Does the temperature of the…

A: The different modes of heat transfer that are used in the process of drying are to be mentioned. The…

Q: How diffusivity is dependent on temperature and pressure

A: gIVEN THAT we have to write how diffusivity is dependent on temperature and pressure

Q: What are the four elements of corrosion cell ? Give brief description for each of the element.

A: Corrosion cells are a complex case of Electrochemical Phenomenon. The Components and Brief…

Q: What is the effective diffusivity?

A: Effective diffusivity is considered for the four below-mentioned mass transfer combinations:…

Q: Alloying metals with impurities results in an increase in the thermal conductivity. O FALSE O TRUE…

A: Given that There are two statement given we have to choose which statement is true or false.

Q: Which of the following statement is wrong for a thermoplastic resins? O a. They have formed by…

A: Which of the following statement wrong for thermoplastic resin.

Q: Determine the amount in each phase in the 25% Ni-Cu alloy at 1190 degrees centigrade.

A: The phase diagram of 25 % Ni-Cu alloy is given.