Top 150+ Solved Manufacturing Technology 1 MCQ Questions Answer
Q. How does pattern vary in size with casting?
a. pattern is larger in size
b. casting is larger in size
c. both have same size
d. size depends on other factors
Q. A pattern carries which allowance for internal and external surfaces?
a. shrinkage allowance
b. machining allowance
c. distortion allowance
d. draft allowance
Q. What is draft allowance also known as?
a. shake allowance
b. contraction allowance
c. taper allowance
d. rapping allowance
Q. Machining allowance does not depend on which of the following factor?
a. solidifying contraction
b. machining method
c. shape and size of casting
d. casting method
Q. How much does the distortion allowance vary?
a. 1mm to 10mm
b. 2mm to 20mm
c. 1mm to 15mm
d. 2mm to 15mm
Q. Which of the following is not an application of blow molding process?
a. toy bodies
b. door liners
c. bottles
d. pipes
Q. What is the maximum thickness that can be allowed for a plastics sheet in a vacuum forming process?
a. 3 mm
b. 3.1 mm
c. 3.2 mm
d. 3.3 mm
Q. In inertia friction welding energy of welding machine is used.
a. electrical
b. potential
c. rotational
d. frictional
Q. In inertia friction welding, one workpiece is connected to
a. flywheel
b. the pin tool
c. rotor
d. generator
Q. Which of the following defects occur when weld metal layer fails to fuse together?
a. inclusion of slag
b. inadequate penetration
c. incomplete fusion
d. porosity
Q. Which of the following defects occur due to melting or burning away of base metal?
a. undercut
b. spatter
c. cracking in weld metal
d. cold cracking
Q. Why are flux added to the charge ( parent metal to be melted) during melting of a metal?
a. to increase carbon content
b. to increase refractoriness
c. to add specific oxides
d. to remove specific oxides
Q. Which of the following is/are the advantage(s) of an Induction Furnace?
a. higher yield
b. cleaner melting
c. compact installation
d. all of the mentioned
Q. Which of the following metal has a melting point of about 420oC and latent heat of fusion 26.3 cal/g?
a. nickel
b. copper
c. zinc
d. iron