# Analytical instruments/Analytical Instrumentation MCQ Question Set 20 Sample Test,Sample questions

## Question: Diaphragm element is used for a level to pressure conversion.

1.True

2. False

3.all of the above

4.None of the mentioned

## Question: If shear stress is equal proportional to velocity gradient, fluid is called as _________

1.Newtonian fluid

2.Viscous fluid

3.Laminar fluid

4.None of the mentioned

## Question: In ______ velocity of fluid is constant on every point at a specific time.

2.Rotational flow

4.None of the mentioned

1. Xi(t)-Xm(t)

2.Xi(t)+Xm(t)

3.2Xi(t)

4. 2Xm(t)

2.Membrane

3.Diaphragm

4.Voltmeter

## Question: Which of the following represents obstruction type flow measuring systems?

1.Centrifugal force type

2.Rotating vane system

3.Flow nozzle device

4.None of the mentioned

## Question: Which of the following represents the correct relation between flow rate and area of pipe?

1. Direct proportionality

2.Inverse proportionality

3.Equal

4.None of the mentioned

## Question: At which point of displacement pressure chara has maximum slope?

1. 0.14(di/dt)2

2. (di/dt)

3.0.5(di/dt)2

4.None of the mentioned

1. Spin axis

2.Vertical axis

3.Vertical axis

4.Angular axis

## Question: Bernoulliâ€™s theorem is applicable for fluid path with moderate frictional force.

1.True

2.False

3.all of the above

4.None of the mentioned

## Question: Centrifugal force elements are used for ________

1.High flow rate

2.Low flow rate

3. All range of flow rate

4.None of the mentioned

## Question: Damper system is used to ________

1.Produce oscillations

2.Limit oscillations

3.To produce displacement

4.For indication

1.Displacement

2.Velocity

3.Acceleration

4.Force

## Question: Gymbels are used for _________

1.Improving rotational speed

2.Supporting gyro wheel

3.As damping agent

4.None of the mentioned

## Question: How bandwidth can be increased?

1.Lowering natural frequency

2. Increasing natural frequency

3.Doubling natural frequency

4.Bandwidth cannot be increased

## Question: If all particle of fluid has a path parallel to the wall, it is known as _______

1. Stream line flow

2.Laminar flow

3.Viscous flow

4.All of the mentioned

## Question: In closed container type level measuring system, pressure at top of container is due to ______

1. Vacuum pressure

2.Vapor pressure

3.Liquid pressure

4.Atmospheric pressure

## Question: Increase in angular momentum decreases error.

1. True

2.False

3.all of the above

4.None of the mentioned

## Question: Integrating type gyroscope has high sensitivity due to ______

1.High Hs

2.Lower damping coefficient

3.Both high Ha and lower damping coefficient

4.None of the mentioned

## Question: Orifice type viscometer covert viscosity to _______

1. Force

2. Pressure

3.Displacement

4.Potential difference

## Question: Range of displacement of flapper required to change output pressure over the useful range is known as _____

1.Cut-off displacement

2.Throttling range

3.Threshold value

4.Break value

## Question: Rate gyroscope is a _______

1.Zero order system

2.First order system

3.Second order system

4.Third order system

## Question: Resistive transducers are _______

1.Primary transducers

2.Secondary transducers

3.Either primary or secondary

4.None of the mentioned

## Question: Rotameter type viscometer converts viscosity to angular displacement.

1.True

2.False

3.all of the above

4.None of the mentioned

## Question: Seismic displacement transducers are not suitable for measuring ______

1.Vibrating velocities

2.Static velocities

3.Dynamic velocities

4. None of the mentioned

## Question: Seismic mass has freedom to move any direction.

1. True

2. False

3.all of the above

4.None of the mentioned

## Question: Seismic transducer is only applicable for displacement measurement.

1.True

2.False

3.all of the above

4.None of the mentioned

## Question: Seismic transducers are used to measure _______

1.Displacement

2.Velocity

3.Acceleration

4.All of the mentioned

## Question: Static vane system causes pressure loss in flow.

1.True

2.False

3.all of the above

4.None of the mentioned

## Question: Turning of the rotor about a third axis when a torque transverse to spin axis is known as _______

1.Transverse shear

2.Transverse stress

3.Precession

4.Face shear

## Question: What happens to the viscosity of liquid and gas when the temperature is increased?

1.Both increases

2.Both decreases

3.For liquid increases and for gas decreases

4.For liquid decreases and gas increases

## Question: What will happen for resistivity metal and semiconductor if the temperature is increased?

1. Increases

2.Decreases

3. For metal increases and for semiconductor decreases

4.For metal decreases and for semiconductor increases

## Question: What will happen if the float becomes lighter?

1.Density variations becomes more important

2.Density variations becomes less important

3. System becomes less efficient

4. None of the mentioned

1.Decreases

2.No change

3.Increases

4.Doubles

## Question: Which of the condition is applicable for flapper nozzle system?

1.Measuring air should be free from dust

2.Measuring air must be of constant pressure

3.Measuring air should be of free from dust and of constant pressure

4.None of the mentioned

## Question: Which of the following can be measured using change in resistivity?

1.Temperature

3.Moisture content

4.All of the mentioned

## Question: Which of the following converts flow to rotational motion?

1.Rotatic vane system

2.Rotameter flow system

3.Both rotameter flow system and rotatic vane system

4. None of the mentioned

## Question: Which of the following is correct for a level to force conversions?

1.Liquid at constant density distribution

2. Liquid with different density distribution

4. Liquid should be highly viscous

## Question: Which of the following is correct for flapper nozzle system?

1.Used in hydraulic system only

2.Used in pneumatic system only

3.Used in both hydraulic and pneumatic system

4.None of the mentioned

## Question: Which of the following is not converting viscosity to pressure?

1.Redwood viscometer

2.Saybolt viscometer

3.Orifice viscometer

4.Rotameter viscometer

## Question: Which of the following represents angular momentum of gyro wheel?

1.jsâ„¦s

2.js

3. js/â„¦s

4.None of the mentioned

## Question: Which of the following represents characteristic of a rate gyro?

1.More sensitive

2.Soft spring of lower value for K

3.High angular momentum

4.All of the mentioned

## Question: Which of the following represents condition for a volume of chamber?

1.As large as possible

2.Limited to 5 cc

3.AS small as possible

4.No limit

## Question: Which of the following represents condition for ideal gyroscope?

1.Infinite drift of spin axis

2.Infinite speed for gyro meter

3. Very low drift of spin axis

4.None of the mentioned

## Question: Which of the following represents correct relation for pressure in manometer type level measuring system?

1. (Ï±mhm â€“ Ï±y)g

2. (Ï±m â€“ Ï±y)g

3. (Ï±mhm â€“ Ï±)g

4. Ï±mhm â€“ Ï±y

## Question: Which of the following represents Hagen-poissule equation?

1. Âµ = (Ï€d4Î”P)/(128Qâ€™L)

2.Âµ = (d4Î”P)/(128Qâ€™L)

3.Âµ = (Ï€d4Î”P)/(Qâ€™L)

4.Âµ = (Ï€d4)/(128Qâ€™L)

## Question: Which of the following represents ideal flapper nozzle system?

1.Ratio of output and input pressure 0.75 at displacement = 0

2.Ratio of output and input pressure 1 at displacement = 0

3. Ratio of output and input pressure 0.5 at displacement = 0

4.Ratio of output and input pressure 0 at displacement = 0

## Question: Which of the following represents integrating type gyroscope?

1. Zero order system

2.First order system

3.Second order system

4.Third order system

## Question: Which of the following represents newtonâ€™s equation for viscosity?

1.Ï„ = Âµ(dv/dt)

2. Âµ = Ï„(dv/dt)

3.Ï„ = dv/dt

4.Ï„ = Âµ2(dv/dt)

## Question: Which of the following represents Newtonian fluids?

1. Lubricating oils

2.Honey

3. Rubber suspension

4.Synthetic oils

## Question: Which of the following represents normal value for Pout/Pin?

1.Less than 0.2

2.Between 0.2 and 0.75

3. Between 0.75 and 1

4.Greater than 1

## Question: Which of the following represents relation for kinematic viscosity?

1. Absolute density/mass density

2. Absolute density Ã— mass density

3.Absolute density Ã— (mass density)2

4.Absolute density/(mass density)2

## Question: Which of the following represents Reynolds number for laminar flow?

1. Less than 2000

2. Greater than 4000

3.Infinite

4.None of the mentioned

## Question: Which of the following represents the application of spring?

1. To provide stability

2.To provide oscillatory motion

3.To provide restoring force

4.None of the mentioned

## Question: Which of the following represents the correct relation between pressure and displacement in flapper nozzle system?

1.Direct proportionality

2.Inverse proportionality

3.Equal

4.None of the mentioned

1.KM

2.(KM)1/2

3.K/M

4.(K/M)1/2

## Question: Which of the following represents the slow motion of layers of fluid in one direction?

1.Laminar flow

2.Turbulent flow

3.Viscous flow

4.Both laminar and viscous flow

## Question: Which of the following spring-mass arrangement is used for displacement measurement?

1.Soft spring small mass

2.Soft spring large mass

3.Stiff spring small mass

4. Stiff spring large mass

## Question: Which of the following uses displacement to pressure conversion?

1.Flapper nozzle system

2.Gyroscope

3.Viscometer

4.None of the mentioned

## Question: ________ measures velocity at a point of fluid in a stream.

1.Venturi meter

2.pH meter

3.Pitot-Static tubes

4.None of the mentioned

## More MCQS

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