Top 550+ Solved Production Engineering MCQ Questions Answer
Q. Unequal lengths of lips of a twist drill are likely to result in
a. Smooth surface
b. Low power consumption
c. Low heat generation
d. Elliptical hole
e. Oversize hole
Q. A cutting tool fails due to
a. crater wear and flank wear
b. crater formation
c. Parting off
d. crater wear and flank wear meeting to cause crumbling of cutting edge
Q. Presence of oxygen in copper
a. gives it yellow colour
b. generates blisters on the surface
c. makes it harder
d. Parting off
e. increases electrical conductivity
Q. Which of the following defect in castings is caused by the molten metal?
a. Scab
b. Swell
c. Shrinkage
d. Blowholes
e. All of the above
Q. Flywheel is not provided in case of
a. manually operated presses
b. crank type presses
c. hydraulic presses
d. All of the above
e. Parting off
Q. Internal gears and splines used in automobile industry are manufactured by
a. Broaching
b. Gears shaping
c. Casting
d. Milling
e. Gears hobbing
Q. Honing is used to
a. correct ovality
b. waviness of axis
c. non-parallelism of cylindrical features
d. All of the above
e. Parting off
Q. Which one of the following is not a angle measuring device?
a. Angle iron
b. Angle gauge blocks
c. Combination square
d. Bevel protector
e. Signal bar
Q. In hot blast cupola
a. Temperature is high
b. Melting rate is high
c. Carbon percentage in castings is high
d. Air supplied is preheated
e. None of the above
Q. Which property of sand is measured by a dilatometer?
a. Clay content
b. Permeability
c. Hot strength
d. Fineness
e. Moisture content
Q. The coolant generally used while machining with carbide tools is
a. Water
b. Compressed air
c. Graphite
d. Kerosene
e. Soluble oil
Q. Loam moulds are
a. Used for symmetrical castings
b. Used in centrifugal castings
c. Used for very small articles
d. Made out of wet sand and then skin dried
e. Used for large castings
Q. A thin tube is to be cut by hacksawing. Blades with following TPI are available which blade will be appropriate for the job
a. 14 TPI
b. 4- TPI
c. 18 TPI
d. 32 TPI
e. 20 TPI
Q. The function of a transducer is
a. To decodify the input signal
b. To convert the primary signal into a more useful quantity usually an electrical impulse
c. To amplify the input signal
d. To codify the input signal
e. To modify the input signal
Q. Flange wrinkling is a defect associated with
a. Cold heating
b. Cold rolling
c. Deep drawing
d. Die casting
e. None of the above