Top 550+ Solved Production Engineering MCQ Questions Answer
Q. The facting sand used in foundry generally consists of
a. Alumina, clay and silica
b. Aluminium and silica
c. Silica and clay
d. Alumina and clay
e. Silica and binder
Q. A massometer is
a. An instrument for the measurement of mass
b. An instrument of measurement of specific gravity of flowing fluids
c. An instrument for the measurement of mass of fluid flowing through a pipes
d. An instrument used for measuring mass of free flowing solids through conveyor pipes
e. None of the above
Q. Carbon tool steel are broadly classified into two categories as
a. hard and soft
b. warping and non-warping
c. Parting off
d. water hardening and oil hardening
e. hard and brittle
Q. Green sand moulds are
a. Painted with green paint
b. Made out of green coloured sand
c. Green in colour
d. Made from damp moulding sand
e. Skin dried moulds
Q. A pair of tumbler gears is used in
a. Milling machine
b. Shaper
c. Capstan lathe
d. Grinding machines
e. Centre lathe
Q. Cast iron pipes are cast by
a. Investment casting process
b. Vacuum moulding process
c. Centrifugal casting process
d. Loam moulding process
e. Die casting process
Q. Thermocouples are generally used for accurate temperature measurement upto
a. 1000?C
b. 200?C
c. 100?C
d. 1600?C
e. 500?C
Q. Discontinuous chip in ductile material is produced because of
a. Insufficient cooling
b. Sharp cutting edge
c. Sintering
d. Low friction
e. Large rake angle
Q. In power presses bolster plate is used to
a. Parting off
b. mount the press tool
c. cut the edges
d. eject the pressed component
e. position the piece
Q. Draft allowance on castings is generally
a. 20 - 30 mm/M
b. 5 - 10 mm/M
c. 2 - 5 mm/M
d. 10 - 15 mm/M
e. 1 - 2 mm/M
Q. Railway rails are generally made of
a. Mild steel
b. Alloys steel containing 0.8 to 0.9% carbon
c. High carbon steel
d. Medium carbon steel
e. Deam mild steel
Q. Sweep patterns are used for
a. Tiny objects
b. Objects of circular shapes
c. Elliptical objects
d. Rectangular objects
e. Irregularly shaped objects
Q. The linear characteristics of valve is
a. In which the length of valve is more than 10 times the width
b. In which the longest parameter of valve is not less than 20 times the widest part of the valve
c. In which the valve steam operates linearly
d. One in which the flow is directly proportional to the valve lift
e. None of the above
Q. Which of the following is not true for diamond?
a. Parting off
b. If the hardest substance known
c. Expensive to be shaped
d. It is ductile
e. It is also used as a cutting tool