Belts of steel mesh are used in the tyres

In bias ply tyres

In comparison with a radial tyre, one advantage of a bias ply tyre is

A

Longer life

B

Lower rolling resistance

C

Smoother ride at low speeds

D

None of these

The stability factor of a collector feedback bias circuit is ___________ that of base resistor bias.

A

The same as

B

More than

C

Less than

D

None of the above

The basic purpose of tyres is to

A

Grip the road and provide good traction

B

Substitute for springs

C

Act as brake

D

None of these

In radial tyres

A

One ply layer runs diagonally one way and another layer runs diagonally the other way

B

All plies run parallel to one another and vertical to tyre bead

C

Inner tubes are always used

D

None of these

Two general types of tyres are

A

Tube type and tubeless

B

Solid and tubeless

C

Air and pneumatic

D

Split rim and drop centre

Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of

A

Cold SBR

B

Butyl rubber

C

Bunai N

D

Buna S

Tyres are made by

A

Injection moulding

B

Extrusion

C

Rotational moulding

D

Compression moulding

I have no bias ___ late marriage.

A

towards

B

for

C

against

D

at

একটি ট্রানজিস্টর সাধরণ পীঠ (Common bias) সংযোগে আছে। এর নিঃসারক প্রবাহ 0.85 mA এবং পীঠ প্রবাহ 0.05 mA। প্রবাহ বিবর্ধন গুণক α এর মান কত?

A

0.1

B

0.9

C

1.11

D

11.1

Base Bias এর ক্ষেত্রে Q-point কিসের উপর নির্ভরশীল?

A

β

B

Ie

C

R

In bias ply tyres

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