Top 550+ Solved Production Engineering MCQ Questions Answer
Q. The shape of chips during broaching operation is
a. Short helical
b. Continuous
c. Small fragments
d. Long-helical
e. Closed spirals
Q. All mechanical seals have two flat sealing surfaces
a. At right angles to the axis of rotation
b. Parallel to the axis of rotation
c. Parallel to the end plate
d. None of the above
e. None of the above
Q. The bit of solder iron is generally made of
a. Copper
b. Cast iron
c. High speed steel
d. Stainless steel
e. Mild steel
Q. The smallest thickness that can be measured by a slip gauge is
a. 0.01 mm
b. 1.001 mm
c. 0.001 mm
d. 1 mm
e. 0.1 mm
Q. Which one does not fit with the rest in the following?
a. Scale
b. Micrometer
c. Pitch gauge
d. Twist drill
e. Vernier caliper
Q. For cutting mild steel the cutting angle of a chisel should be
a. 35?
b. 75?
c. 55?
d. 70?
e. 60?
Q. A point angle of 135 - 150? on twist drills is used for drilling
a. Mild steel
b. Hard steels and nickel alloys
c. Cast iron
d. Bakelite
e. Plastics
Q. While using high speed steel tools on lathe the speed of chuck will be lowest while machining
a. White metal
b. Aluminium
c. Brass
d. Copper
e. Cast iron
Q. The pieces of material that are removed when punching holes in tape are known as
a. Cermets
b. Fillings
c. Circles
d. Clad
e. Burrs
Q. Which one of the following is known as trarmel?
a. A pair of steel legs joined by a screw and nut
b. A steel bar and two sliding legs which can be adjusted
c. A divider with a spring
d. None of the above
e. Short rule
Q. Joggled welded joints are used
a. For heavy loading where the upper surface of both pieces must be in the same plane
b. For jobs subjected to fatigue stresses
c. For joining two dissimilar metals
d. For joining two materials of different thicknesses
e. For light loading where the upper surface of both pieces must be in contact
Q. The passage way of bringing the molten metal to the mould cavity is known as
a. Entry system
b. Loading system
c. Delivery system
d. Gating system
e. Piping system
Q. A non-consumable electrode is used in
a. Gas welding
b. DC arc welding
c. AC arc welding
d. Argon arc welding
e. None of the above
Q. Thermistors are
a. Clad metals used in accurate measurement of temperature changes
b. Semi-conductor materials having large negative coefficient of resistance
c. Materials highly sensitive to temperature changes
d. Used for measurement of thermal properties
e. Bimetallic strips used in thermometers