Top 550+ Solved Production Engineering MCQ Questions Answer
Q. Drilling speed in aluminium nearly
a. 35 to 50 m/min
b. 10 to 25 m/min
c. 60 to 75 m/min
d. 3 to 5 m/min
e. 80 to 100 m/min
Q. Which of the following has better machinability as compared to the remaining?
a. Low carbon steels
b. Zinc alloys
c. Parting off
d. Gun metal
e. Wrought iron
Q. Crossing in foundry practice is
a. A means for checking the strength of cores
b. A defect in casting that can be removed by heating in a furnace and cooling at show rate.
c. The process of addition of chemicals to the molten metal to improve its fluidity
d. The process of formation of oxides on the surface of the molten metal
e. The process of forcing metal uniformly into the mould
Q. Quill is
a. Curring a blind key way on an object
b. A steel tube in the head of some machine tools that encloses the bearings and rotating spindle on which are mounted the cutting tools
c. A tool used in milling machine to cut T-slots
d. A holding device used on planers
e. None of above
Q. Which of the following gears are not used to transmit motion from one shaft to another shaft at an angle to the first?
a. Worm gears
b. Bevel gears
c. Spur gears
d. Herringbone gears
e. Helical gears
Q. For defining length the standard generally followed is
a. Bar standard
b. End standard
c. Light wave standard
d. Any of the above
e. None of the above
Q. Slag inclusion in castings is a
a. Internal defect
b. Defect that can be removed by felting
c. Surface defect
d. Superficial defect
e. Moulding defect
Q. Which one of the following methods cannot be used for producing external threads?
a. By tap
b. By dies
c. Vernier caliper
d. By rolling
e. One lathe
Q. The diameter of a round bar with close tolerances is quickly measured by
a. Slip gauges
b. External micrometer
c. Vernier caliper
d. Snap gauge
e. Any of the above
Q. Choose the incorrect statement. Good machinability results in
a. Low components cost
b. Moderate cuttng forces
c. Smaller chips
d. All of the above
e. A process of removing carbon from metals
Q. The main advantage of using synthetic sand in foundry is
a. It does not require moisture
b. It is less costly
c. Its properties can be easily controlled
d. It is highly refractory
e. It can take any shape
Q. In ball bearing steels, chromium percentage is normally in the range
a. 3 - 5 percent
b. 14 - 16 percent
c. 5 - 10 percent
d. 1 - 2 percent
e. 2 - 3 percent
Q. A balometer is an element which senses
a. Optical input and delivers thermal output
b. Thermal input
c. Electrical input and delivers thermal output
d. Optical input and delivers electrical output
e. None of the above
Q. The power is transmitted by lead screw to the carriage through
a. Rack and pinion a arrangement
b. Gear system
c. Chain drive
d. Pulley drive
e. Half nut