The pressure sensing element of elastic type pressure gauge is never made in the form of a

Three elastic constants for a completely anisotropic elastic material which follows the Hooke's law are young's modulus, elastic limit stress and yield stress. Which of the following properties is most sensitive to increase in strain rate ?

A

Tensile strength

B

Elastic limit

C

Proportional limit

D

Yield strength

__________ strain gauge is the most sensitive sensing element for strain measurement.

A

Photoelastic

B

Semiconductor

C

Wire resistance

D

None of these

A __________ type pressure sensing element is commonly used in aneroid barometer.

A

Capsule

B

Bellow

C

Spiral tube

D

Flat diaphragm

Pressure gauges are never connected directly to the live steam line; rather a loop or syphon is interposed as close as possible to the pressure gauge. This is done to

A

Avoid the overheating of the tubes & bellows which operate them to minimise error and damage

B

Form a seal of water by steam condensate to fill the tube or bellows at the pressure being measured

C

Both 'A' & 'B'

D

Avoid the static head error introduced by steam entry

Which of the following statements must be false? I. Debaters Y and C are never selected together. II. Debaters Z and B are never selected together . III. Debaters Z and D are never selected together .

A

Only I

B

Only II

C

Only III

D

All of these

City High School must put together a debating team consisting of four debaters.There are candidates of equal ability : X,Y and Z who are all seniors; and A,B,C and D who are all juniors..The school requires that there should be two seniors and two juniors in the team.It is also necessary that all of the debaters be able to work with one another. *Debaters Y and A cannot work together. *Debaters Z and C cannot work together. *Debaters A and B cannot work together. which of the following statements must be false? 1.Debaters Y and C are never selected together. 2.Debaters Z and D are never selected together. 3.Debaters Z and D are never selected together.

A

Only I

B

Only II

C

Only III

D

All of these

A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?

A

Steel

B

Glass

C

Rubber

D

Brass

Which of the following is not a mechanical pressure sensing element?

A

Bellows

B

Diaphragm

C

Bourdon tube

D

U-tube

"It has a gauge that tells you when you are running low on gases"Which pair fits to label the (gauge,low) parts of the sentence?

A

adjective,adverb

B

noun,adverb

C

noun,adjective

D

adjective,adjective

The standard length of rail for Broad Gauge and Meter Gauge are respectively

A

12 m and 12 m

B

12 m and 13 m

C

13 m and 12 m

D

13 m and 13 m

The pressure sensing element of elastic type pressure gauge is never made in the form of a

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