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

The phase difference of the waves 1 and 2 at A in the given figure is:
Elements of Remote Sensing mcq question image

A

$$\frac{\pi }{4}$$

B

$$\frac{\pi }{2}$$

C

$$\pi $$

D

$$\frac{{3\pi }}{2}$$

In the given figure the phase of
Elements of Remote Sensing mcq question image

A

Crest A is $$\frac{\pi }{2}$$

B

B crossing is $$\pi $$

C

Trough C is $$\frac{{3\pi }}{2}$$

D

All of these

A pressure sensing element consisting of a twisted or curved tube of non-circular cross-section which tends to get straightened on the application of internal pressure is the ____________

A

bellows

B

best fit straight line

C

bourdon tube

D

none of the mentioned

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

A

Bellow

B

Diaphragm

C

Strip

D

Bourdon tube

How is sampling been done when an image is generated by a single sensing element combined with mechanical motion?

A

The number of sensors in the strip defines the sampling limitations in one direction and Mechanical motion in the other direction.

B

The number of sensors in the sensing array establishes the limits of sampling in both directions.

C

The number of mechanical increments when the sensor is activated to collect data.

D

None of the mentioned.

In the generation of element geometries, if dx dy represents an area element in the real element and dεdη represents the corresponding area element in the master element, then what is the expression for Jacobian je?

A

(dx dy) (dεdη) }\) View Answer]

B

$\frac{dx}{d\epsilon} \frac{dy}{d\eta}$

C

$\frac{d\epsilon}{dx} \frac{d\eta}{dy}$

D

$\frac{1}{(dx dy) (d\epsilon d\eta)}$

Directions : In each of the following questions a statement is given, followed by three conclusions. Give answer :

Statement : "If you are a mechanical engineer, we want you as our supervisor." - An advertisement by Company X.

Assumptions :
I. Mechanical engineers are expected to be better performers by Company X.
II. The Company X needs supervisors.
III. Mechanical engineers may get attracted and apply to Company X.

A

Only I and II are implicit

B

Only II and III are implicit

C

Only I and III are implicit

D

All are implicit

E

None of these

The highest pressure gas of a mixture has partial pressure p, the partial pressure of other gases decreases by factor of 2n-1, the partial pressure of second gases decreases by a factor of 2, partial pressure of third gas increases by 4, and so on, if the total pressure of gas mixture is 31p/16, how many gases are present in the mixture?

A

3

B

5

C

10

Consider the figure of a fountain with four holes, given below.
Mechanical Physics mcq question image

Which one of the holes in the fountain will throw the water farthest?

A

4

B

3

C

2

D

1

Some pairs of devices and associated energy changes are given below.
1. Electric generator ⟺ Mechanical to electrical
2. Electric motor ⟺ Electrical to mechanical
3. Diesel engine ⟺ Light to electrical
4. Solar cell ⟺ Chemical to mechanical
Which of the above pair/s is/are correctly matched?

A

Only 1 and 2

B

Only 1 and 3

C

Only 2 and 4

D

Only 3 and 4

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

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