Top 550+ Solved Production Engineering MCQ Questions Answer
Q. Choose the incorrect statement
a. Ductile materials in presence of fine feed and high cutting speed produce chips with built up edges
b. Ductile material produce continuous chip
c. Both (A) and (B)
d. None of the above
e. Any of the above
Q. The chips formed during the milling of aluminium are
a. closed spirals
b. Parting off
c. helical
d. snarl
e. fragments
Q. A gear is to have 14 teeth. Which of the following indexing movement can be used?
a. 2 complete turns and 18 holes in 21 hole circle
b. Parting off
c. 3 complete turns on a 42 hole circle
d. 2 complete turns and 36 holes in 49 hole circle
e. 2 complete turns and 6 holes in 18 hole circle
Q. The chips formed during broaching of steel are
a. closed spirals
b. fragments
c. splinters
d. Parting off
e. snarl
Q. In a turret lathe a pre-selector is a device
a. That is used to decide the operation to be done on a job prior to a specific operation
b. Used for feeding bar to chuck
c. None of above
d. That is used to pre-select the spindle speed for the next operation in progress
e. That is used to select in the job prior to loading
Q. A rotameter is used to measure
a. Twist due to torque applied on shafts
b. Magnetic flux variation
c. Rotation of shafts
d. rpm of engines
e. Flow of liquids and gases
Q. The power consumption in laser beam machining is of the order of
a. 2 kW/m3/min
b. 270 kW/m3/min
c. 2700 kW/m3/min
d. 5000 kW/m3/min
e. 27 kW/m3/min
Q. A foil is
a. Same as sheet
b. Same as strip
c. A cold rolled sheet
d. A thin strip with maximum width 300 mm and a maximum thickness of 1.5 mm
e. None of the above
Q. Vertical centrifugal castings as compared to horizontal centrifugal castings are spun at
a. Lower speeds
b. Higher speeds
c. Same speed
d. Varying speeds
e. None of the above
Q. For a peripheral speed of 35 m/s, a grinding wheel of 800 mm diameter must rotate at
a. 1600 rpm
b. 835 rpm
c. 435 rpm
d. 60 rpm
e. 85 rpm
Q. In a lathe gear box if first four consecutive speed are 19, 30, 47, 74 rpm, the next speed would be
a. 116 rpm
b. 104 rpm
c. 111 rpm
d. 93 rpm
e. 101 rpm
Q. EDM is generally preferred for
a. Hard materials
b. Cast materials
c. Non-metallic compounds
d. Non-ferrous materials
e. Polymers
Q. Grey iron is usually welded by
a. Resistance welding
b. Arc welding
c. TIG welding
d. Gas welding
e. MIG welding
Q. The machine allowance on castings does depend on
a. Size of the casting
b. Shape of the casting
c. Temperature of molten material
d. All of the above
e. None of the above
Q. A strip is
a. A section other than rectangular
b. A sheet less than 6 mm in thickness and 300 mm in width
c. A cold rolled sheet
d. Same as sheet
e. Same as plate