Top 550+ Solved Production Engineering MCQ Questions Answer
Q. For aluminium, the cutting speed on lathe is around
a. 150 m/min
b. 300 m/min
c. 100 m/min
d. 1000 m/min
e. 30 m/min
Q. Which of the following defect results due to mixing of two streams of molten metal that are too cold to fuse properly?
a. Cold shut
b. Swell
c. Honey coming
d. Scab
e. Shrinkage
Q. The range of voltage (open circuit) in are welding is generally
a. 20 - 40 V
b. 100 - 150 V
c. 40 - 90 V
d. 150 - 230 V
e. 400 - 440 V
Q. A Bourdon tube is generally made of
a. Monel metal
b. Beryllium copper alloy
c. Phosphor bronze
d. Stainless steel
e. Any of the above
Q. The chemical used in generating acetylene is
a. Charcoal
b. Calcium carbonate
c. Calcium carbide
d. Carbon
e. Crushed bone
Q. Which one of the following is not a part of micrometer
a. Sleeve
b. Spindle
c. Thimble
d. Anvil
e. Beam
Q. Plug rolling is used to
a. Reduce the wall thickness and increase the diameter of tubes already made
b. Remove out of roundness of pipes
c. Increase the wall thickness of pipes at ends
d. Reduce the diameter of pipe
e. Cut threads at the ends of pipes
Q. Burr is
a. Boundary between finished and unifinished portion on a work piece
b. Sharp edge remaining on the metal after curring, stamping or machining
c. A marking or work piece to identify for correct position on a work piece
d. Burnt surface of a casting
e. Unmachined portion of work piece
Q. Which process is used for manufacturing the body of a carburettor?
a. Die casting
b. Fine sand casting
c. Electro forming
d. Sintering
e. Metal spraying
Q. In most high speed milling cutters, positive radial rake angle is
a. 10 - 15?
b. Less than 50?
c. 15 - 25?
d. 25 - 35?
e. 5 - 10?
Q. A feeder gauge is used to check
a. Screw pitch
b. Surface roughness
c. Diameter of round objects
d. Unsymmetrical shape
e. Thickness of a clearance
Q. Surface finish of a casting is affected by
a. fineness of sand
b. pattern finish
c. mould dressings
d. All of the above
e. Parting off
Q. In which of the following welding process the two pieces to be joined are over-lapped and placed between two electrodes?
a. Projection welding
b. Spot welding
c. Seam welding
d. Butt welding
e. Percussion welding
Q. The range of temperature for soldering process is
a. 10?C to 50?C
b. 400?C to 650?C
c. 250?C to 400?C
d. 180?C to 250?C
e. 50?C to 100?C