Top 550+ Solved Production Engineering MCQ Questions Answer
Q. During soldering operation, the main function of solder iron is to
a. Heat the metals to be jointed
b. Heat the solder
c. Heat the flux
d. Remove impurities
e. All of the above
Q. Dielectric is essentially required in
a. CLM process
b. PMF process
c. EMP process
d. EDM process
e. ECM process
Q. Core chaplet is
a. used to provide a supprt to the core
b. a surface coating on core so that core material does not fuse with the casting
c. Parting off
d. a core dressing operation
e. used to make core surface smooth
Q. Drilling operation is an example of
a. Multipoint cutting
b. Simple cutting
c. Oblique cutting
d. Orthogonal cutting
e. None of the above
Q. While machining a brass casting on a lathe, the type of chuck used is
a. Face plate
b. Collect chuck
c. Four jaw chuck
d. Three jaw chuck
e. Magnetic chuck
Q. For making complicated contours on carbide tools, which of the following process is preferred?
a. Electro chemical milling
b. Laser machining
c. Plasma arc machining
d. Electro discharge machining
e. Diamond tool machining
Q. For the same capacity which of the following process has the highest capital cost?
a. Laser beam machining
b. Electro chemical machining
c. Electro discharge machining
d. Abrasive jet machining
e. Plasma arc machining
Q. An ideal tool material is the one which
a. has very long life
b. has same life at all cutting speeds
c. produces no heat during cutting
d. None of the above
e. Parting off
Q. A hot chisel is one which is
a. Spherical surfaces
b. None of these
c. Used to cut cold materials
d. Used to cut red hot materials
e. Red hot
Q. Chisels used for metal cutting are
a. Hardened
b. Annealed
c. Hardened and tempered
d. Annealed, hardened and tempered
e. None of the above
Q. Permissible percentage of moisture in dry woods for pattern making is
a. Upto 25 percent
b. 1 - 2 percent
c. Upto 15 percent
d. 2 - 5 percent
e. Zero percent
Q. When silicon is added in the cast iron 13-17 percent is given an alloy which is
a. It is not possible to have such high percentage of silicon
b. Very soft
c. Easily machinable
d. Acid and corrosion resistant
e. Powder casted
Q. Which of the following statements correct?
a. Rockwell scale B in used for hard metals
b. Rockwell scale C is used for hard metals
c. Rockwell scale C is used for soft metals
d. Rockwell scale A is used for hard metals
e. None of the above
Q. The back rake angle of HSS single point cutting too will be zero while machining
a. Hard materials
b. Cast iron with high carbon percentage
c. Mild steel without collant
d. Brass
e. Brittle materials
Q. Which of the following is located within the bolster?
a. Cushion
b. Ram
c. Bed plate
d. All of the above
e. Parting off