Related Questions

The type of reamer used for reaming operation in a blind hole, is
A Straight fluted reamer
B Left hand spiral fluted reamer
C Right hand spiral fluted reamer
D Any one of these
Aluminium bronze contains aluminium and copper in the ratio of
A 50 : 50
B 40 : 60
C 60 : 40
D 10 : 90
It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece. Which of the following machine will be used?
A Sensitive drilling machine
B Radial drilling machine
C Gang drilling machine
D Multiple spindle drilling machine
Duralumin is an alloy of aluminium and copper. Percentage of copper in duralumin is
A 38
B 26
C 16
D 4
In reaming process
A Metal removal rate is high
B High surface finish is obtained
C High form accuracy is obtained
D High dimensional accuracy is obtained
If 2 kg of metal, of which 1/3 is zine and the rest is copper , be mixed with 3 kg of metal, of which 1/4 is zinc and the rest is copper , then what will be the ratio of zinc to copper in the mixture?
A 17 : 43
B 13 : 42
C 19 : 43
D 15 : 42
If 2 kg of metal, of which 1/3 is zinc and the rest is copper s, be mixed with 3 kg of metal , of which 1/4 is zinc and the rest is copper , then what will be the ratio of zinc to copper in the mixture?
A 13 : 42
B 19 : 43
C 15 : 42
D 17 : 43
The machinability of aluminium increases when _________ is added to aluminium.
A Copper
B Magnesium
C Silicon
D Lead and bismuth
ডাটাবেজ সফটওয়্যার চালু করার ধাপগুলো- i. Start মেনু হতে All program-এ ক্লিকii. Micro Soft office-এ ক্লিকiii. Micro Soft Access-এ ক্লিকনিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
Due to which of the following reasons copper and aluminium are not used for heating elements ?
A Both have great tendency for oxidation
B Both have low melting point
C Very large length of wires will be required
D All of the above

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