Top 550+ Solved Production Engineering MCQ Questions Answer
Q. For soft steel the cutting speed for lathe operations is around
a. 100 m/min
b. 30 m/min
c. 150 m/min
d. 300 m/min
e. 1000 m/min
Q. In induction hardening the depth of hardening can be controlled by controlling
a. voltage
b. power factor
c. frequency
d. current
e. Parting off
Q. The surface of a slip gauge is produced by
a. Milling
b. Grinding
c. Lapping
d. Burnishing
e. Any of the above
Q. The transmission lag in mercury thermometers is generally
a. Low
b. Average
c. Negligible
d. Very high
e. High
Q. Brass is
a. Copper aluminium alloy
b. Copper-nickel alloy
c. Copper-zinc alloy
d. Copper-tin alloy
e. Copper-lead alloy
Q. Which of the following process will be preferred for joining thin foils?
a. Thermit welding
b. Gas welding
c. MIG welding
d. DC arc welding
e. Plasma arc welding
Q. Resistance wire strain gauge works on the principle
a. That conductivity is directly proportional to load on member
b. Due to elongation length increases and diameter reduces, thereby resistance changes
c. That resistance chanes in proportion to strain on material
d. That resistance of wire changes with load
e. That the resistance of a wire is directly proportional to diameter and inversely proportional to length
Q. If the correctness of profile of a thread is to be checked which instrument would you choose?
a. Screw pitch gauge
b. Telescopic gauge
c. Optical projector
d. Sine bar
e. Bench micrometer
Q. Which is the first element of the tool signature?
a. Side relief angle
b. Side rake angle
c. Parting off
d. Back rake angle
e. Nose radius
Q. The surface finish obtainable in abrasive jet machining is of the order of
a. 0.5 to 1.2
b. 20 to 50
c. 12 to 20
d. 2 to 5
e. 50 to 100
Q. Beak horn stake (Bick Iron) is used to
b. Make circular folded seams
c. Parting off
d. Bend sheet metal into cylindrical/conical shapes
e. Make straight and shorp bends
Q. Paper cutting knives steel contains carbon percentage
a. 0.2 to 0.4%
b. Below 0.2%
c. 1.3 to 1.5%
d. 0.8 to 1%
e. 0.4 to 0.7%
Q. In broaching operation the accuracy that can be obtained is of the order of
a. 100 micron
b. 1 micron
c. 0.1 micron
d. 1000 micron
e. 10 micron
Q. Steam condenser tubes are generally made of
a. Brass
b. Bronze
c. Bell metal
d. Admiralty alloy
e. Babbit metal
Q. The decibel is
a. Unit of noise level
b. A logarithmic ratio between a measured quantity and a reference quantity
c. Quantity of noise per unit area
d. A logarithmic ratio between a measured quantity and 100
e. None of the above