The valve present between left auricle and left ventricle is

Intrinsic muscles of auricle are

A

Tragicus

B

Helicis major

C

Antitragicus

D

Auricularis anterior

E

Auricularis superior

For the same terminal conditions and valve size, the pressure drop in a fully opened globe valve as compared to that in a gate valve is

A

More

B

Less

C

Equal

D

Either A or B; depends on the viscosity of the fluid

Left ventricle of heart

A

Is three times as thick as the wall of right ventricle

B

Is divided into the left ventricle proper and aortic vestibule

C

Has a round cavity in cross section

D

Forms two third of the sternocostal surface of the heart

E

Has lower systolic pressure than aortic systolic pressure

Right ventricle

A

Has tricuspid valve in its inflow tract

B

Develops from sinus venosus

C

Is normally oval in cross section

D

Contains two papillary muscle

E

Forms most of the diaphragmatic surface of the heart

In the floor the fourth ventricle

A

The facial colliculus is next to the midline in its upper half

B

The vestibular area is adjacent to the lateral angle

C

The abducent nucleus lies deep to the facial colliculus

D

The trigonum vagi is at the inferior angle next to the midline

E

The trigonum hypoglossi is lateral to the trigonum vagi

Floor of the 3rd ventricle are formed by the following structure

A

Optic chiasma

B

Tuber cinerium

C

Piturary stalk

D

Pineal body

E

Cerebal aqueduct

The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. Which of the following, if given to the mixing vat operator as an instruction, would not determine the setting of any other valve ?

A

S must be open

B

T must be open

C

U must be open

In a steam engine, the earlier cut-off with a simple slide valve may be obtained by increasing the steam lap and the angle of advance of the eccentric but keeping constant the travel and lead of the valve, 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

The valve used for very remote and accurate control of fluid is a __________ valve.

A

Needle

B

Globe

C

Gate

D

Butterfly

Main gas valve in a gaseous fuel burner is a __________ valve.

A

Gate

B

Butterfly

C

Globe

D

None of these

The valve present between left auricle and left ventricle is

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