Related Questions

The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.
A Runner
B Cylinder
C Mold
D None of these
In continuous casting of liquid steel, the mould is made of
A water cooled steel
B water cooled copper
C refractory oxide
D silicon carbide
In permanent mould casting method
A Molten metal is poured in a metallic mould, retained in the mould long enough for the outer skin to solidify and finally mould is turned over to remove molten metal still in molten condition
B Molten metal is poured and allowed to solidify while the mould is revolving
C Molten metal is forced into mould under high pressure
D None of the above
When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as
A Die casting method
B Slush casting method
C Permanent mould casting method
D Centrifugal casting method
The centrifugal casting method, is used for casting articles of
A Symmetrical shape about vertical axis
B Symmetrical shape about horizontal axis
C Irregular shape
D Nonferrous metal only
A casting defect which results in general enlargement of a casting is known as
A Shift
B Sand wash
C Swell
D Scab
A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as
A Shift
B Sand wash
C Swell
D Scab
একটি স্টেপ আপ ট্রান্সফরমারে, গৌণ কুণ্ডলীর পাকসংখ্যা মুখ্য কুন্ডলীর পাকসংখ্যার দ্বিগুণ। যদি মূখ্য কুন্ডলীকে কোন পরিবর্তী বিদ্যুৎ লাইনের সাথে সংযুক্ত করা হয়, তাহলে মুখ্য কুণ্ডলীর তুলনায় গৌণ কুণ্ডলীতে- (In a step up transformer, the number of turns in the secondary coil is twice to that of primary coil. If you apply an alternating current in the primary coil, then in the secondary coil compared to the primary coil-)
A তড়িৎ প্রবাহের মান দ্বিগুণ হবে (current will be doubled)
B তড়িৎ প্রবাহের মান অর্ধেক হবে (current will be halved)
C তড়িৎ বিভবের মান অর্ধেক হবে (voltage will be halved)
D তড়িৎ প্রবাহের মান সমান থাকবে (Current will remain the same)
The term "mould-breaking" can be best substituted with :
A Orthodox
B Conventional
C Radical
D Mundane
China's continued economic progress depends on mastering art of mould breaking innovation.
A will
B for
C of
D the

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