INSTART Online Certification Exam

1. Question

1 point(s)

Which type of orifice is used to measure the flow of light (low-viscosity) fluids?

Quadrant

Correct Incorrect Correct answer

Eccentric

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Concentric

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Segmental

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2. Question

1 point(s)

Which method is used to measure a surface equipped with a transmitter?

Floater

Correct Incorrect Correct answer

Sight Glass

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Orifice

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Capacitive

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3. Question

1 point(s)

Which of the following statements is incorrect?

The standards express the minimum requirements.

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The ASTM standard is related to the material used in instruments.

Correct Incorrect Correct answer

Stainless steel 304 has less hardness than SS 321.

Correct Incorrect Correct answer

We refer to the material of an instrument body as the housing material.

Correct Incorrect Correct answer

4. Question

1 point(s)

Which of the following is a manual actuator used to open and close a valve?

Solenoid

Correct Incorrect Correct answer

Chain

Correct Incorrect Correct answer

Motorized (MOV)

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Hydraulic

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5. Question

1 point(s)

If a device is rated IP62, which of the following statements is correct?

Relatively high protection against liquids – Relatively high protection against solid particles.

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Relatively high protection against liquids – Relatively low protection against solid particles.

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Relatively low protection against liquids – Relatively high protection against solid particles.

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Relatively low protection against liquids – Relatively low protection against solid particles.

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6. Question

1 point(s)

Which of the following is a type of gas detector?

Catalytic

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Infrared type

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Rate of Rise (ROR)

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Catalytic and Infrared Type

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7. Question

1 point(s)

What is the term for the zone in a refinery where explosive gases are present for extended periods of time?

Zone 0

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Zone 1

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Zone 2

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Safe Area

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8. Question

1 point(s)

Which document specifies the classification of explosive environments (Zones)?

Instrument List

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Location Layout

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Hazardous Area Classification

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Material Take Off (MTO)

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9. Question

1 point(s)

Which type of level gauge is not a sight glass?

Tubular

Correct Incorrect Correct answer

Reflex

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Transparent

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Floater

Correct Incorrect Correct answer

10. Question

1 point(s)

What type of sensor is used to measure temperature in buried tanks using the gauge method?

Without metal.

Correct Incorrect Correct answer

Gas/Field-actuated type.

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Thermowell.

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Union Adjustment.

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11. Question

1 point(s)

Which of the following is a type of Bourdon tube?

C-type

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Helical (HeliX)

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Spiral

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All Options

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12. Question

1 point(s)

Which type of RTD has the least measurement error?

2-wire RTD

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3-wire RTD

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4-wire RTD

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None

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13. Question

1 point(s)

What is the resistance of a PT100 sensor at 0°C?

0 Ohm

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10 Ohms

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100 Ohms

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50 Ohms

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14. Question

1 point(s)

What is the use of Fisher software in the field of instrumentation?

Valve Sizing and Control

Correct Incorrect Correct answer

Measurement of tank level.

Correct Incorrect Correct answer

Calculation of flow passing through the line.

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Production of MR.

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15. Question

1 point(s)

If the operating pressure of a pipeline is 4.5 bar and the maximum pressure is 6.8 bar, what accessories are needed for the pressure gauge and what pressure range should be considered for the device?

Manifold, 0-6

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Manifold, 0-10

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Manifold, over range protector, 0-6

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Manifold, over range protector, 0-10

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16. Question

1 point(s)

Which of the following is not used in diaphragm seals for pressure gauges?

Fluids with a high zinc concentration.

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Dirty fluids with sediments.

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Highly flammable fluids.

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Fluids that are likely to freeze.

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17. Question

1 point(s)

What is the function of the capped hole located behind the pressure gauge?

Prevent dust from entering the Gauge.

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Pour oil into the Gauge.

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Adjustment and Calibration.

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Protection against excessive pressure.

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18. Question

1 point(s)

What is the method for opening five-way valves when measuring pressure difference?

Open LP – Open HP – Open EQ – Close EQ

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Open EQ – Open HP – Close EQ – Open LP

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Open EQ- Open LP – Open HP – Close EQ

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Close EQ – Open HP – Open LP – Close EQ

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19. Question

1 point(s)

If the operating pressure of a pipeline is 7.5 bar and the maximum pressure is 10.5 bar, what are the measuring range for the pressure gauge and the calibration range for the pressure transmitter device, respectively?

0 – 16 / 0 – 10.5

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0 – 10 / 0 – 10.5

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0 – 16 / 0 – 7.5

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0 – 10 / 0 – 7.5

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20. Question

1 point(s)

Under which of the following conditions do ultrasonic sensors provide the best measurement accuracy for surface measurement?

Dust above the fluid surface.

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Height greater than 15 meters.

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Low turbulence on the fluid surface.

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The presence of foam on the fluid surface.

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21. Question

1 point(s)

If steam is present above the liquid level, what considerations should be made when measuring the level using the pressure difference method?

Install a Steam Trap.

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Install a Diaphragm Seal.

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Create a hole in the tank to vent steam.

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Drain condensate daily or weekly.

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22. Question

1 point(s)

Which of the following statements about the abbreviations used in a P&ID is incorrect?

We represent a pressure gauge with the abbreviation "PI."

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We display a flow control valve with the abbreviation "FCV."

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We show the ON/OFF valves as the abbreviation "XV."

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We display pressure safety valves as the abbreviation "SDV."

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23. Question

1 point(s)

Which of the following accessories is used to reduce the temperature of the fluid entering pressure gauges?

Manifold

Correct Incorrect Correct answer

Syphone

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Capillary Tube

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Diaphragm Seal

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24. Question

1 point(s)

To accurately measure temperature, at what depth in the pipe should the tip of the thermowell be positioned?

The tip of the thermowell is attached at the end of the pipe.

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The tip of the thermowell should be placed in the middle 1/3 of the pipe.

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The tip of the thermowell should be placed in the upper 1/3 of the pipe.

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The tip of the thermowell should be placed in the lower 1/3 of the pipe.

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