Top 550+ Solved Production Engineering MCQ Questions Answer
Q. Cast iron gears are used where
a. Stresses on gear are not high
b. Size of the gear is large
c. High order of accuracy is not desired
d. All of the above
e. None of the above
Q. While machining which of the following improves surface finish?
a. Parting off
b. Increased cutting speed
c. Increased depth of cut
d. Formation of built-up edge
e. Increased feed rate
Q. Dry blast cleaning involves
a. Blasting the surface with abrasive material
b. Blasting the surface with air only
c. Blasting the surface with sand
d. Blasting the surface with oil
e. None of the above
Q. A right hand tool on lathe machine will cut efficiently while cutting
a. In either direction
b. Grooved jobs
c. From right to left
d. Taper
e. From left to right
Q. Ceramic tool inserts are fixed to the tool holder by
a. Casting
b. Soldering
c. Resistance welding
d. Brazing
e. adhesives
Q. The pouring of molten metal during casting should be stopped when
a. Molten metal rises in the riser
b. Molten metal is exhausted
c. Molten is full
d. Molten metal is seen through the riser
e. Molten metal flows out of the riser
Q. In shearing operation on a power press, total cutting force depends on
a. sharpness of cutting edge
b. clearance between die and punch
c. angle of shear on die and punch
d. All of the above
e. Parting off
Q. Which strength is the major consideration, which of the following process should be favoured
a. Forging
b. Sand casting
c. Die casting
d. Hot rolling
e. Any of the above
Q. While cutting double start threads of pitch 2 mm on a lathe, the cutting tool will advance by
b. 4 mm/revolution
c. 2 mm/revolution
d. 1 mm/revolution
e. 8 mm/revolution
Q. In ultrasonic welding the frequency range is generally
a. 80,000 - 800,000 cps
b. 100 - 4000 cps
c. 20,000 - 80,000 cps
d. 800,000 - 5000,000 cps
e. 4000 - 20,000 cps
Q. In which of the following process the electrode is not consumed?
a. TIG welding
b. Gas welding
c. DC arc welding
d. Plasma welding
e. Laser welding
Q. Which of the following is a clearance fit?
a. Press fit
b. Force fit
c. Push fit
d. Sliding fit
e. Driving fit
Q. Which hardening process is free from scale formation?
a. Flame hardening
b. Nitriding
c. Cyaniding
d. Induction hardening
e. Parting off
Q. Miter gears are
a. Gears of different modules
b. Spur gears of equal diameter and pitch
c. Helical gears of same module
d. Right angled bevel gears having the same number of teeth
e. None of above