Grey cast iron, which contains between 2.5 and 4% carbon, has all or most of its carbon is uncombined in forms graphite flakes when it cools and solidifies from its molten state. True or false.

Q: As the carbon content of plain carbon steel is increased what happens to its strength and hardness?…

A: Let us discuss what happens when carbon content is increased in carbon steel.

Q: Explain the principle behind the following Steelmaking Process. OPEN HEARTH PROCESS BESSEMER…

A: We have given Explain the principle behind the following Steelmaking Process. OPEN HEARTH PROCESS…

Q: 14.Steel is most suited for cold chamber pressure die casting process. Select one: True False

A:

Q: is one of the application of Cast Iron. a. Nails b. soft drink cans O C. c. Car body d. Food Packing

A: Cast iron is defined as the type of iron alloy which is widely used for the manufacturing of pan and…

Q: mass of the copper?

A: GIVEN- Heat (q) = 1386J T1= 20 deg.c T2= 80 deg.c Copper heat capacity (C) = 0.385 J/g ° C   To…

Q: 8) Atmospheric gases on reaction with molten metal, causes discontinuity such as

A: When the metal is melted, the amount of dissolved gases increases and when the metal starts to…

Q: Which of the following materials cannot be directly obtained by cooling an iron- carbon alloy…

A: Option b is correct.

Q: etween gray cas

A: given: Give the difference between gray cast iron and nodular cast iron.

Q: rosion of sand mold creates bad casting. Select one: True False

A: True

Q: rcentage in cast i

A: given:   What is carbon percentage in cast iron?

Q: n and lead?

A: GIVEN: What is alloy of tin and lead?

Q: Is  this statment correct  Thick pearlite is not as strong as thin pearlite.

A: True , Thick(Coarse) pearlite do have less strength and hardness in comparison to thin(fine)…

Q: various types of steel. Identify SEVEN (7) characteristic of high carbon

A:

Q: ify if the following phase is saturated, subcooled, superheated, or wet- ure.

A:

Q: ng (c) centrifugal casti

A: given: An expendable pattern is used in (a) slush casting (b) squeeze casting (c) centrifugal…

Q: 14 Which one of the following feature in sand casting process allows molten metal into cavity? a.…

A: option d is the correct option.

Q: 18. These are used in wide variety of applications owing to the properties like good fluidity, ease…

A: Cast iron is used in wide variety of applications owing to the properties like good fluidity,ease of…

Q: correct alloy that can be case hardened from the following options. Carbon Steel Aluminium Mild…

A:

Q: 10- Cast Structure are: Chill Zone, Columnar Zone and equlaxed Zone

A: 10) The statement is True 12) The statement is False

Q: 32 - (CLO-1) What is cold shut defect? a) Two portions of metal flow together but there is lack of…

A: Cold shut is a casting defect

Q: According to the carbon content, carbon steel can be divided into

A: The basic constituents of the steel is iron and carbon with small amount of some other materials…

Q: True or False: Characteristics of a cast-off pattern arccannot give clues as to the kind of object…

A: True or False: Characteristics of a cast-off pattern arccannot give clues as to the kind of object…

Q: To eliminate distortion while achieving a uniform structure and response to heat treating…

A: Given: To eliminate distortion while achieving a uniform structure and response to heat treating…

Q: The process of reheating of the martensitic steel

A: Given; The process of reheating of the martensitic steel to reduce its brittleness without any…

Q: Steel is most suited for cold chamber pressure die casting process. Select one:

A: Hot chamber die casting process is used for the alloys with the lower melting point and the cold…

Q: fill in the blanks   The eutectic point is the lowest melting point which can be seen on the…

A:

Q: Which of the following formula generally used for low carbon steel?

A:

Q: 4- (CLO-1) Which one of the following defects in casting is a misrun defect? a) "Pipe" formation b)…

A: In this question we need to tell which one of the following is a misrun defect

Q: Briefly Differentiate between high carbon steel and cast iron

A: Given: To differentiate between high carbon steel and cast iron.

Q: Describe the following process in metal casting: (i) Melting process (ii) Pouring process (iii)…

A: Process chain : Melting -----> Pouring----> Solidification

Q: Compared to annealing, strength of a metal after tempering is Select one: a. same b. none of the…

A:

Q: Test each alloy whether the mean value differs significantly from the certified value

A: An alloy is a combination of chemical components, at least one of which is a metal. In contrast…

Q: Identify the correct alloy that rusts very easily, in the following options. Stainless Steel Cast…

A: Solution:

Q: 174) Bronze alloy, which element is the main alloying element?

A: We are suppose to answer only one question. Please post other question as a separate question.

Q: Speak in simple terms equivalent to one page on a topic. sensitization stainless steel

A: Stainless steel is an alloy primarily made up of iron, chromium, nickel, Stainless steel is…

Q: explaing briefly heating curve of pure iron with a neat sketch

A: A heating curve is a graphical plot of the changes in temperature with time for a material over the…

Q: Quench to from 800oC to 350oC and hold for 102 seconds: b: Quench the alloy to room temperature c:…

A:

Q: In gray cast iron, the graphite exists in * the form of . . O flakes cementite clusters O nodule

A: White cast iron is formed when the cooling rate is high and the carbon equivalent is low, whereas…

Q: hich one of the following Cast iron is produced by the heat treatment of White cast iron?

A: 1)   Option b) Malleable   cast iron Malleable  cast  iron are relatively very soft and can…

Q: The strength in the weld zone of an age-hardening aluminium alloy is often higher than in the heat…

A: particle that does not dissolve might transform into equilibrium phase instead , this is more likely…

Q: 1 Which one of the following feature in sand casting process allows molten metal into cavity? a.…

A:

Q: STAINLESS STEEL AND HOW IT AFFECT ENVIRONMENT OR HUMAN HEALTH

A: Stainless steel is a ferrous alloy produced for making cooking utensils , kitchen accessories etc…

Q: Which one of the following statement is correct? The liquid metal is poured through the riser for…

A: 2nd statement is correct  All othe statements are wrong.

Q: Identify the mold die material in order to produce the steel casting parts. Cast iron O Steel…

A: The important material properties for the dies are thermal shock resistance and softening at…

Q: Breaking of the sand mold is done after sufficient cooling of castings, to have_____     Proper…

A: Casting: It is a type of manufacturing process in which the molten material is filled into a…

Q: The _______ made possible the production of a molten castable iron product that contains about 4%…

A: Given:

Q: 126) Which is not a permanent mold casting method? A) centrifugal casting B) permanent mold casting…

A: Centrifugal casting : In centrifugal casting molten metal is poured into spinning metal dies and…