Top 550+ Solved Production Engineering MCQ Questions Answer
Q. In a cupola the raw material is
a. Steel ingots
b. Pig iron and iron scrap
c. Steel billets
d. Iron ore
e. Cast steel
Q. Principal materials used in soldering are
a. Tin and lead
b. Copper and tin
c. Zinc and copper
d. Copper and lead
e. None of the above
Q. A 30 mm diameter is being machined when the chuck is revolving at 100 rpm. The cutting speed is nearly
a. 50 metres per minute
b. 40 metres per minute
c. 30 metres per minute
d. 60 metres per minute
e. 70 metres per minute
Q. Out of the following materials which one is expected to have highest melting point?
a. Lead
b. Tungsten
c. Palladium
d. Silver
e. Gold
Q. Which of the following is not used for orthogonal cutting?
a. Drills
b. Slotting cutter
c. Parting off
d. Sawing
e. Broaching
Q. Vacuum is the medium of machining in cases of
a. Ultrasonic machining
b. Laser beam machining
c. Plasma arc machining
d. Electro discharge machining
e. Electron beam machining
Q. A job made by forging is
b. Parting off
c. Weaker than a job made by casting or machining
d. Stronger than a job made by casting or machining
Q. In metal cutting operations shear angle is defined as the angle
a. Made by the plane of shear with the direction of tool travel
b. Made by the shear plane with the tool axis
c. Made by shear plane with the central plane of work piece
d. None of the above
e. Wood
Q. In which of the following machining process thermoelectric energy is used for machining operations?
a. Ion beam machining
b. Electro discharge maching
c. Laser beam machining
d. Electro beam machining
e. All of the above
Q. A shim is
a. A surface on which bearings are fitted
b. A treatment given to a surface to prevent rusting
c. A kind of shrink fit
d. A thin piece of sheet metal used between mating parts to provide the proper distance
e. A dull corner on a shaft
Q. For the measurement of pressure of liquids at high temperature using pressure gauge
a. Gauge is heated to the temperature to be measured
b. Necessary thermodynamic calculations are made
c. Necessary correction factory is applied
d. A siphon filled with liquid is used to protect the Bourdon tube
e. Pressure gauge is never used in such cases
Q. Balometers are used for the measurement of
a. Temperature input
b. Thermal radiation
c. Electrical input
d. Optical input
e. Pneumatic input
Q. A steady rest is used for
a. Long jobs
b. Irregular jobs
c. Large diameter jobs
d. Threading jobs
e. All of the above
Q. If the rake angle on a HSS lathe tool is 25 degrees the materials being machined is
a. Cast iron
b. Aluminium
c. Mild steel
d. Carbon steel
e. High speed steel