Top 550+ Solved Production Engineering MCQ Questions Answer
Q. The advantage of laser beam machining is
a. High production rates
b. Minimum heat affected zone
c. Dissimilar metals can be welded
d. Precise operation
e. All of the above
Q. A tool signature, the nose radius is indicated
a. In the middle
b. Second from end
c. Second position
d. In the first position
e. In the last position
Q. In wire cut EDM the electrode is
a. Parting off
b. a thin wire
c. a copper bar
d. a thin sheet
e. a tungsten plate
Q. The type of bearing to be selected for application where low torque, low coefficient of friction, non-magnetic properties and long life are required would be
a. Needle bearing
b. Ball bearing
c. Bush bearing
d. Roller bearing
e. Jewel bearing
Q. Which of the following process needs high voltage for its operation?
a. Plasma arc machining
b. Ultrasonic machining
c. Abrasive jet machining
d. Electro chemical machining
e. Electron beam machining
Q. All of the following are used for oblique cutting EXCEPT
a. Parting off
b. Slotting cutter
c. Drills
d. Milling cutters
e. Lathe tools
Q. In which of the following welding process the transfer of metal from the electrode occurs due to molecular attraction?
a. Metallic arc welding
b. Thermit welding
c. Thermit welding
d. DC arc welding
e. None of the above
Q. Hacksaw used for cutting steel, cast iron, aluminium etc, has the following number of teeth per centimeter
a. Parting off
b. 12
c. 7
d. 10
Q. A twist drill is specified by
a. The size of hole it can drill
b. A number specifying hole size
c. A letter of alphabet
d. Any of the above
e. None of above
Q. In a sine bar the standard length is measured from
a. Edge to edge
b. Between inner circumference of two buttons
c. Between out circumference of two buttons
d. Between the centers of two buttons
e. Any of the above
Q. Thermit welding differs from other methods of welding in the following way
a. It does not use heat
b. It employs exothermal chemical reaction for developing high temperature
c. It is less time consuming
d. It does not require electrodes
e. None of the above
Q. Depth of cut is normally
a. Parting off
b. more for roughing operation and less for finishing operation
c. less for roughing operation and more for finishing operation
d. same for roughing as well as finishing operations
Q. Cutting speed of three tool materials, viz : H.S.S., carbide and ceramic for a given work materials and fixed tool life will increase in this order
a. carbide H.S.S. ceramic
b. Carbide ceramic H.S.S.
c. H.S.S. carbide ceramic
d. None of the above
e. Parting off
Q. The capacity of cupola is usually in the range
a. 500 tons to 1000 tons
c. 100 to 250 tons
d. 10 tons 10 100 tons
e. 250 tons to 400 tons