The phenomenon of an opening occurring in the Earth's surface through which a Jet of hot water and steam is forced out at irregular intervals is called

The phenomenon of an opening occurring in the earth's surface through which a jet of hot water and steam is forces out at irregular intervals is called

A

crater

B

geyser

C

hot spring

D

volcano

The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with a velocity v is

A

$$\frac{{{\text{wa}}\left( {{\text{V}} - {\text{v}}} \right)}}{{2{\text{g}}}}$$

B

$$\frac{{{\text{wa}}\left( {{\text{V}} - {\text{v}}} \right)}}{{\text{g}}}$$

C

$$\frac{{{\text{wa}}{{\left( {{\text{V}} - {\text{v}}} \right)}^2}}}{{2{\text{g}}}}$$

D

$$\frac{{{\text{wa}}{{\left( {{\text{V}} - {\text{v}}} \right)}^2}}}{{\text{g}}}$$

A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction of jet. For the maximum efficiency, the vane velocity is ________ of the jet velocity

A

One-half

B

One-third

C

Two-third

D

Three-fourth

The velocity of jet of water traveling out of opening in a tank filled with water is proportional to

A

Head of water (h)

B

h²

C

$$\frac{{\text{V}}}{{\text{T}}}$$

D

$$\frac{{\text{h}}}{2}$$

The velocity of jet of water travelling out of opening in a tank filled with water is proportional to

A

Head of water (h)

B

h²

C

V/T

D

h/2

When an object enters earths atmosphere, it travels ----

A

very repidly

B

in a rapid manner

C

fastly

D

rapidly

An opening in the side of a tank or vessel such that the liquid surface with the tank is below the top edge of the opening, is called

A

Weir

B

Notch

C

Orifice

D

None of these

Forced circulation evaporators are useful for the concentration of viscous, salting and scale forming liquors. Which of the following is a forced circulation evaporator?

A

Long vertical evaporator

B

Horizontal tube evaporator

C

Agitated film evaporator

D

Calenderia vertical tube evaporator

Opening the file,the detective took out a newspaper cutting.He 'opening' is a/an

A

Gerund

B

Noun

C

Present participle

D

Adjective

A steam turbine, in which a part of the steam after partial expansion, is used for process heating and the remaining steam is further expanded for power generation, is known as

A

Back pressure turbine

B

Pass out turbine

C

Low pressure turbine

D

Impulse turbine

The phenomenon of an opening occurring in the Earth's surface through which a Jet of hot water and steam is forced out at irregular intervals is called

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