Sudden fall of atmospheric pressure by a large amount is an indication of the_____________________?

Question: Blast furnace is a
[A].

counter current reactor

[B].

co-current reactor

[C].

cross-current reactor

[D].

combination of all the three

Answer: Option A

Explanation:

No answer description available for this question.

Question: A spark ignition petrol engine has
[A].

throttle valve

[B].

carburettor

[C].

both (a) & (b)

[D].

neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.

Question: Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid will cease to exist as liquid at
[A].

high vacuum

[B].

zero pressure

[C].

0°K

[D].

earth’s centre

Answer: Option B

Explanation:

No answer description available for this question.

Question: A controller action in which there is a con-tinous relation between the values of controlled variable and the rate of change of conrolled output signal is called the __________ action.
[A].

proportional

[B].

integral

[C].

derivative

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: Consideration of the creep is the most important in case of the
[A].

blades of gas turbine.

[B].

piston of an I. C. engine.

[C].

flywheel of steam engine.

[D].

cycle chain.

Answer: Option A

Explanation:

No answer description available for this question.