The method of addition polymerization is used for obtaining:

In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will

A

Cause withdrawing or throttling of steam

B

Reduce length of effective stroke of piston

C

Reduce maximum opening of port to steam

D

All of these

Which access method is used for obtaining a record from a cassette tape?

A

Direct

B

Sequential

C

Random

D

All of the above

E

None of the above

Which access method is used for obtaining a record from a cassette tape

A

direct

B

sequential

C

random

D

All of the above

E

None of the above

For obtaining vinyl chloride acetate, the method used, is

A

Addition polymerization

B

Condensation polymerization

C

Co-polymerization

D

None of these

A computer takes 50 nanoseconds to do an 221 addition. How many addition can it do in 1 second?

A

20 million

B

25 million

C

30 million

D

35 million

The method of obtaining different mechanisms by fixing in turn different links in a kinematic chain, is known as

A

structure

B

machine

C

inversion

D

compound mechanism

In the method of condensation polymerization,

A

Low-molecular substances are removed from the high molecular substance

B

The reaction proceeds with an evolution of ammonia

C

The reaction proceeds with an evolution of hydrogen chloride

D

All of the above

Engineering news formula for obtaining safe bearing capacity of pile for drop hammer, is,

A

Q = Wh/6 (S + 2.5)

B

Q = Wh/2.5 (S + 6)

C

Q = (W × 6)/h (S + 2.5)

D

Q = (W × 2.5)/6 (S + h)

In obtaining the frequency response curve of an amplifier, the ___________

A

Amplifier level output is kept constant

B

Amplifier frequency is held constant

C

Generator frequency is held constant

D

Generator output level is held constant

In a gas-liquid absorption coloumn, for obtaining the maximum absorption efficiency

A

Liquid stream should be distributed uniformly

B

Gas stream should be distributed uniformly

C

Both gas as well as liquid streams should be distributed uniformly

D

By passing should be completely avoided

The method of addition polymerization is used for obtaining:

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