Top 550+ Solved Production Engineering MCQ Questions Answer
Q. For centreless grinding the surface speed is
a. 1200 to 1500 metres per minute
b. 600 to 900 metres per minute
c. 500 to 600 metres per minute
d. 1500 to 1800 metres per minute
e. Parting off
Q. The rating of solder iron normally used for electronics work is
a. 1 kW to 2 kW
b. 750 to 1000 watts
c. 500 to 750 watts
d. 250 to 500 watts
e. 50 to 100 watts
Q. The process of bringing out the lustre of metal usually by the use of cloth wheels is known as
a. Finishing
b. Buffing
c. Deburring
d. Burnishing
e. Carmetting
Q. During soldering
a. Borax is used a flux
b. Solder iron bit is red hot
c. Metal is heated from top as well as bottom
d. Arc is produced between solder iron and metal to be soldered
e. Joint area must be clean and close fitting
Q. An optical gauge works on the principle of
a. Dispersion of light rays
b. Polarisation of light rays
c. Interference of light rays
d. Reflection of light rays
e. Refraction of light rays
Q. Antioch is
a. A soft soldering process
b. A process for making porous moulds
c. An instrument for measurement of porosity of sand
d. A process for removal of excess solder from joints
e. A hand tool used for repairing moulds
Q. A gate is the
a. Vent hole to allow for the hot gases to escape
b. Channel for the flow of excess molten material
c. Passage through which metal rises when the mould is filled
d. Passage through which metal is poured into the mould
e. Passage that finally leads molten metal from the runner into the mould cavity
Q. Machinability is affected by
a. tool geometry and material
b. cutting fluids
c. regidity of tool and machine
d. All of the above
e. Parting off
Q. Two 3 mm thick MS sheets are to be welded. Electrodes of 16, 12, 10 Nos, are available which one would you choose.
a. 16
b. 12
c. 10
d. Any of the above
e. None of the above
Q. In electro chemical machining the metal is removed by
a. Molecular transfer
b. Ionic bombardment
c. Collimated light rays
d. Ultraviolet rays
e. Dissolution in electrolyte solution
Q. The property of sand due to which it clings to the sides of a moulding box, is called
a. permeability
b. adhesiveness
c. electron affinity
d. cohesiveness
e. Parting off
Q. Cutting speed in turning operation for aluminium is
a. 30 m/min
b. 15 m/min
c. 200 m/min
d. 400 m/min
e. 1000 m/min
Q. In theory of metal cutting the shear plane angle is the angle between
a. Shear plane and tool axis
b. Shear plane and job surface
c. Shear plane and tool surface
d. Shear plane and horizontal plane
e. Shear plane and verticalplane