Top 550+ Solved Production Engineering MCQ Questions Answer
Q. Kuock out mechanism in press is used to
a. chamfer the edges
b. eject out the component
c. shift the position of work piece after one operation
d. None of the above
e. Parting off
Q. While machining cast iron generally cutting fluid is not required because
a. Cast iron surface is generally rough
b. The cast iron jobs revolves at low speeds
c. Cast iron contains graphite which does not allow temperatures to rise
d. Cast iron contains carbon which cools the job
e. None of the above
Q. An idler pulley is used for
a. Changing the direction of rotation
b. Running during no load period
c. For stopping the motion frequently
d. For adjusting the belt tension
e. None of the above
Q. Trepanning operation is used for
a. Producing large holes
b. Under cutting
c. Cutting grooves
d. Finishing the ends of the job
e. Bevelling the edges
Q. The difference between a plate and sheet is
a. A plate is less than 5 mm in thickness
b. A sheet is more than 5 mm in thickness
c. A sheet is always more than 5 metres in length
d. Sheet and plate are same and thickness is immaterial
e. A sheet is always less than 5 mm thick and a plate more than 5 mm thick
Q. Arc blow is a welding defect which is encountered
a. In thermit welding
b. In MIG welding
c. In arc welding using a. current
d. In arc welding using c. current
e. In gas welding
Q. At what rpm should a lathe be run to give a cutting speed of 25 m/min. When turning a rod of diameter 32 mm.
a. Parting off
b. 160 rpm
c. 100 rpm
d. 200 rpm
e. 250 rpm
Q. Mechanical seals are used
a. To prevent vibrations
b. To prevent leakage
c. To reduce friction
d. To balance the equipment
e. None of the above
Q. The thickness of clearance can be checked by
a. Shap gauge
b. Ring gauge
c. Go and not go gauge
d. Feeler gauge
e. Any of the above
Q. A process applying oxide coating on aluminium is known as
a. Anodizing
b. Oxidizing
c. Pickering
d. Galvanising
e. Blanking
Q. The advantage of mercury switch is
a. No mechanical moving parts
b. No open contacts
c. Sealed from dirt and contamination
d. Maintanance free
e. All of the above
Q. The advantage of electronically operated automatic control system is
a. Can be located in hazardous locations
b. Needs no maintenance
c. Does not require skilled service personnel
d. No time lags, no transmission delays
e. Does not cost much
Q. International Prototype Meter is made of
a. Copper
b. Mild steel
c. Cast iron
d. Copper-nickel alloy
e. Platinum-iridium alloy
Q. Die sinking is
a. The process of hardening of dies by sinking in quenching oil
b. The local cooling of dies on the dia surface by pouring oil on the spot
c. The process of cutting die impression
d. The process of scrapping a die impression so that remaining metal may be retrieved for further use
e. None of the above
Q. The mallets used in sheet metal shop are made from
a. Parting off
c. Cast iron
d. Wood, fiber
e. Mild steel