Top 150+ Solved Manufacturing Technology 1 MCQ Questions Answer

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Q. Where does the granular molding material get loaded into?

a. barrel

b. hopper

c. pellets

d. split

Q. There is a varied pressure provided in the solidification unit of injection molding process.

a. true

b. false

Q. Which of the following is not an application of blow molding process?

a. toy bodies

b. door liners

c. bottles

d. pipes

Q. The heater in the vacuum forming process is heated up to 90°C.

a. true

b. false

Q. The initial cost in blow molding is low.

a. true

b. false

Q. The axis of rotation of the mould should be horizontal for the casting of long pipes in centrifugal casting.

a. true

b. false

Q. Dry sand cores may be required for the provision of spigot at the end section of the casting.

a. true

b. false

Q. In centrifugal casting, only sand moulds can be used due to the problem of sticking of metal.

a. true

b. false

Q. In centrifugal casting, the casting yield is approximately equaled to 100%.

a. true

b. false

Q. In centrifugal casting, a movable pouring basin is employed for the pouring of molten metal.

a. true

b. false

Q. The speed of rotation is almost double in semi centrifugal casting as compared to the true centrifugal casting.

a. true

b. false

Q. Which of the following moulds or moulding is also known as sodium silicate process.

a. shell moulding

b. permanent moulding

c. slush moulding

d. co2 moulding

Q. How much percentage of sodium silicate (Na2SiO3) is added to the sand mixture in Co2 moulding?

a. 0 to 2 %

b. 2 to 6 %

Q. Continuous passing of Co2 through the mould can decrease the strength of mould and results in a weak mould.

a. true

b. false

Q. How much time (in a minute) is usually required for the passing of Co2 through the mould?

a. one

b. two

c. five

d. seven

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