The permissible error in chaining for measurement with chain on rough or hilly ground is

Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is

A

Nylon-66

B

Teflon

C

Polyester

D

Bakelite

A ladder is resting on a rough ground and leaning against a smooth vertical wall. The force of friction will act

A

Downward at its upper end

B

Upward at its upper end

C

Zero at its upper end

D

Perpendicular to the wall at its upper end

A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act

A

Towards the wall at its upper end

B

Away from the wall at its upper end

C

Downward at its upper end

D

Upward at its upper end

On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts

A

Downwards at its upper end

B

Upwards at its upper end

C

Perpendicular to the wall at its upper end

D

Zero at its upper end

On a ladder resisting on a smooth ground and leaning against a rough vertical wall, the force of friction acts

A

Towards the wall at its upper end

B

Away from the wall at its upper end

C

Upwards at its upper end

D

Downwards at its upper end

The process of making the back ground rough, before plastering, is

A

Dubbing

B

Hacking

C

Blistering

D

Peeling

If Bashar can run around a ground four times in 20 minutes and Rahim can run around the same ground three times in 12 minutes, who can run around that ground more times in an hour, and how many times more can he run around ?

A

Bashar, three times more

B

Rahim , three times more

C

They both go around 12 times

D

Bashar, eight times more

Which of the following is not a characteristic of a daisy chaining priority control scheme?

A

priority is programmable

B

it is relatively easy to add more devices to the chain

C

the failure of one device may affect other devices on the chain

D

the number of control lines is independent of the number of devices on the chain

E

None of the above

বাংলাদেশের একমাত্র ‘পাহাড়’-বিশিষ্ট দ্বীপ- (The only hilly island of Bangladesh is-)

A

পাহাড়পুর (Paharpur)

B

কুতুবদিয়া (Kutubdia)

C

নিঝুমদ্বীপ (Nijhum Dwip)

D

মহেশখালি (Moheshkhali)

Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to

A

angiosperms

B

gymnosperms

C

monocotyledons

D

dicotyledons

The permissible error in chaining for measurement with chain on rough or hilly ground is

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