Top 350+ Solved Engineering Materials MCQ Questions Answer
Q. In iron-iron carbide diagram the
a. Abscissa is time
b. Abscissa is temperature
c. Abscissa is carbon percentage
d. Ordinate is time
e. None of the above
Q. Spot the process which is different from others?
a. Galvanizing
b. Chapmanizing
c. Carburizing
d. Cyaniding
e. Nitriding
Q. The Curic point for Rochelle salt is about
a. 1000?C
b. 500?C
c. 240?C
d. Absolute zero
e. None of the above
Q. Which of the following is the ductile material?
a. Aluminium
b. Zinc
c. Brass
d. Silver
e. Stainless steel
Q. The structure of a semi-conductor resemles that of a
a. circle
b. rhombus
c. diamond
d. triangle
e. None of the above
Q. In electro-forming the metal is supplied to the mould from
a. Solution
b. By liquids
c. Electrolytic solution in which bar of pure metal acts as an anode for the plating current
d. Separately by coating with a point
e. None of the above
Q. A bot in cupola is
a. A part of coupla
b. A defect in casting
c. A kind of cast iron
d. A flux
e. A clay plug to close tap hole
Q. Constantan is an alloy of
a. Copper-tin-zinc
b. Copper-tin
c. Copper-aluminium
d. Copper and Nickel
e. Nickel-iron-chromium
Q. Hot tear
a. Is a defect in castings
b. Is a process involving heating
c. Is a defect in wood
d. Is a phenomenon occurring in materials ixposed to weather e.g. sun and rain
e. Is a physical property of non-ferrous materials
Q. Coarse grained steels
a. Do not have tendency to distort
b. Are less tough
c. Are very tough
d. Are lighter
e. Are denser
Q. In press work the dies that perform two or more operations simultaneously, but at different stations are known as
a. Multi-dies
b. Simple dies
c. Compound dies
d. Die and punch set
e. Progressive dies
Q. Vanadium is added to steel as an alloying element to
a. To soften the material
b. Increase temperture resistance
c. Increases resistance to corrosion
d. Increase shock resistance
e. Modify yield and tensile strength properties
Q. Micro-structure of a material is generally examined by
a. Spectroscope techniques
b. Optical microscope
c. X-rays and electron diffraction
d. Naked eye
e. Microscope
Q. Ferri-magnetic materials generally find application as
a. conductors
b. insulators
c. resistors
d. semi-conductors
e. None of the above
Q. Which process is used for machining parts to planned dimensions?
a. Shearadising
b. Swaging
c. Electroforming
d. Anodizing
e. Routing