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Technical Committe Quiz-4 Instruments

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

1 bar = -----psig

a)

15

b)

13.8

c)

14.5

d)

13

2.

What is the Input Signal port size of 2625?

a)

3/4

b)

1/4

c)

1/2

d)

1

3.

What is the supply and output port size of 2625 ?

a)

3/4

b)

1/2

c)

1/4

d)

1

4.

Which model have superior resistance to degradation at elevated temperature and radiation levels?

a)

2625

b)

2625SST

c)

2625NS

d)

VBL

5.

What is the supply and output port size of Volume booster?

a)

3/4

b)

1/4

c)

1

d)

1/2

6.

How many diaphragms available in VBL ?

a)

1

b)

2

c)

3

d)

4

7.

Select the correct Asco type mentioned below

a)

2/3

b)

4/3

c)

5/3

d)

3/2

8.

Which two ports are connected, when there is a presence of electrical Supply?

a)

1 & 2

b)

3 & 2

c)

1 & 3

9.

which instrument should be used to increase stroking speed while in operation?

a)

Needle valve

b)

Quick exhaust valve

c)

Pilot valve

d)

Volume booster

10.

Find the correct pilot valve type?

a)

4/3

b)

3/4

c)

5/3

d)

3/5

11.

Are we able to use needle valve to control high flow rate?

a)

YES

b)

NO

12.

which instrument should we use to achieve fail open or close in short time?

a)

Pilot valve

b)

volume booster

c)

solenoid valve

d)

Quick exhaust valve

13.

In 8327 3-way Asco solenoid model, which two ports will be connected in electrical fail condition?

a)

1 & 3

b)

1 & 2

c)

3 & 2

14.

which of the following is 4-way solenoid valve type?

a)

8317

b)

8344

c)

8314

d)

8316

15.

Another name of pilot operator regulator (a)  

16.

Identify the component 2

(a)  

17.

What is the mechanism of the solenoid?

a)

Both can be achieved

b)

Converts Mechanical energy into electrical signal

c)

Converts electrical energy into mechanical work

18.

Volume Booster typically provide ____________ ratio of input and output pressure

a)

1:1

b)

1:2

c)

2:1

d)

2:4

19.

In Solenoid Valve, When the electric current passes through the coil, the (a)   field is generated.

20.

What will be the fail actions, when electrical signal lost and pneumatic signal lost respectively?

a)

Fail Open and Lock in last

b)

Fail close and Lock in last

c)

Lock in last and fail close

d)

Fail open and fail close

e)

Lock in last and fail open