Top 550+ Solved Production Engineering MCQ Questions Answer
Q. Swell is a defect in castings due to
a. Enlargement of the mould cavity by metal pressure causing partial or overall enlargement of the casting
b. Working on cooling
c. Moisture in moulding sand
d. Thin projection of casting due to gap between flasks
e. Mis-mathcing of mould at the parting line
Q. In EDM the material of the tool is
a. Carbide
b. Copper
c. Satellite
d. Diamond
e. High speed steel
Q. In a centre lathe gear box for changing spindle speeds the provision for speeds is made in
a. Arithmetical progression
b. Geometrical progression
c. Cubical progression
d. Random members
e. Square progression
Q. In rubber bond for grinding wheels, sulphur is added to
a. Parting off
b. act as vulcanising agent
c. reduce shocks and vibrations
d. make the bond flexible
e. dissipate heat during grinding operation
Q. Profile of a gear tooth is to be checked. Which one of the following device would you choose?
a. Sine bear
b. Optical projector
c. Optical pyrometer
d. Bench micrometer
e. Telescopic gauge
Q. A chisel is used for
a. Cutting the wood
b. Planing the wood
c. Making holes in the wood
d. None of the above
e. Parting off
Q. Chips with built up edge are produced while machining
a. Non-ferrous materials
b. Cast materials
c. Hard materials
d. Brittle material
e. Ductile material
Q. Discontinuous or segmental chips are formed while machining
a. Mild steel
b. Brass
c. Carbon steel
d. Alloy steel
e. Cast iron
Q. Which of the following is a single point cutting tool?
a. Milling cutter
b. File
c. Grinding wheel
d. Parting tool
e. Hacksaw blade
Q. While using cemented carbide tipped tools on aluminium, the cutting speed could be
a. 100 - 300 m/min
b. 1000 m/min
c. 20 - 50 m/min
d. 300 - 900 m/min
e. 50 - 100 m/min
Q. A silver point is
a. The temperature of equilibrium between solid silver and liquid silver at normal atmospheric pressure
b. The pointed location spot silver plated
c. The temperature of equilibrium between liquid silver and silver vapour at normal atmospheric pressure
d. The point on a instrument dial reading beyond which may be dangerous for the system
e. The temperature at which silver melts
Q. In order to avoid unscrewing while on a bicycle the shaft or the right padel is screwed in with
b. Right hand thread
c. Left hand thread
d. Hysteresis
Q. During arc welding eyes need to be protected against
a. Microwaves
b. Infrared and ultraviolet rays
c. Intense glare
d. X-rays and gamma rays
e. High frequency waves
Q. In EDM the number of discharges perminute may be as high as
a. 3000
b. 6000
c. 6,000,000
d. 60,000
e. 600,000