R4RIN – MCQs, Mock Tests | Analytical instruments Analytical Instrumentation MCQ Question Set 19

Which of the following is used as indication instrument in a liquid expansion system?

1. Bellows
2. Bourdon tube
3. Ammeter
4. Thermometer

✅ Correct Answer: 2

Which of the following is true for bimetallic type thermometer?

1. Two metals have same temperature coefficients
2. Two metals have different temperature coefficient
3. One metal is cooled always
4. None of the mentioned

✅ Correct Answer: 2

When bimetallic thermometer heated, curling occurs to the side of metal with least temperature coefficients.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 2

Analogous quantities of heat flow and temperature in electrical are _______ and ________

1. Potential and current
2. Current and potential
3. Power and potential
4. Current and power

✅ Correct Answer: 2

Ratio of net amount of heat received and stored in the body for certain time interval is known as _________

1. Temperature
2. Thermal coefficient
3. Thermal storage capacity
4. None of the mentioned

✅ Correct Answer: 3

Heat transfer coefficient of a material with length l is _________

1. K/l
2. l/K
3. 1/K
4. Kl

✅ Correct Answer: 1

Which of the following device can be used for force measurement?

1. Beams
2. Bellows
3. Capsule
4. Bourdon tube

✅ Correct Answer: 1

Load cells are used for measuring _____

1. Large weights only
2. Small weights only
3. Weights moving in high speed
4. Slowly moving weights

✅ Correct Answer: 4

Which of the following can be measured using a Ring-type load cell?

1. Large weight
2. Small weight
3. Both large and small weights
4. None of the mentioned

✅ Correct Answer: 2

Which of the following arrangements are used in load cells?

1. Tensile strain gauges
2. Compressive strain gauges
3. Both tensile and compressive strain gauges
4. None of the mentioned

✅ Correct Answer: 3

Which of the following represents correct relationship for strain in ring-type load cell?

1. (1.08 F R)/(E b t2)
2. (F R)/(E b t2)
3. (1.08 R)/(E b t2)
4. (1.08 F )/(E b t2)

✅ Correct Answer: 1

Which of the following conversion is correct for load cell?

1. Force to strain
2. Force to displacement
3. Force to voltage
4. Both force to strain and force to displacement

✅ Correct Answer: 4

Diaphragm element can also be used for force measurement.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 1

Which of the following statement is true for force?

1. Force is a scalar quantity
2. Force is a vector quantity
3. Force is a dimensionless quantity
4. None of the mentioned

✅ Correct Answer: 2

Which of the following statement is true for diaphragms?

1. Used for measuring small forces
2. Used for measuring large forces
3. Used for measuring dynamic forces
4. None of the mentioned

✅ Correct Answer: 1

Load cells are primary transducers.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 1

Which of the following is detected using manometer devices?

1. Pressure difference between manometric and measuring liquid
2. pH difference between manometric and measuring liquid
3. Density difference between manometric and measuring liquid
4. None of the mentioned

✅ Correct Answer: 1

What is the difference between water and transformer oil as a manometric liquid?

1. Water is used for large pressure differential
2. Transformer oil is used for large pressure differential
3. Transformer oil has evaporation problems
4. Water has evaporation problems

✅ Correct Answer: 4

In which of the following categories be thin plate diaphragm included?

1. Primary transducer
2. Secondary transducer
3. Voltage measuring devices
4. Spring balance systems

✅ Correct Answer: 1

Which of the following applications are suited for thin plate diaphragms?

1. Static pressure only
2. Dynamic pressure only
3. Both static and dynamic pressure with large frequency
4. Both static and dynamic pressure with small frequency

✅ Correct Answer: 4

Using a membrane for measuring pressure, which of the following represents correct relation for displacement?

1. (R2 ΔP)/4S
2. ΔP/4S
3. (R2 ΔP)/S
4. (R2 ΔP)/2

✅ Correct Answer: 1

Which of the following quantities can be measured using bellows?

1. Absolute pressure
2. Gauge pressure
3. Differential pressure
4. All of the mentioned

✅ Correct Answer: 4

Which of the following conversion take place in bourdon tubes?

1. Pressure to displacement
2. Pressure to voltage
3. Pressure to strain
4. Pressure to force

✅ Correct Answer: 1

‘Capsules are made from diaphragms’.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 1

‘In bellows pressure to displacement conversion takes place’.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 2

Which of the following devices convert pressure to displacement?

1. Diaphragm
2. Bellow
3. Capsule
4. Both diaphragm and capsule

✅ Correct Answer: 4

Which of the following represents a moment of inertia of force acting tangential to a cylindrical rod?

1. FR
2. F/R
3. F2R
4. FR2

✅ Correct Answer: 1

Which of the following devices can be used for measuring torque?

1. Helical spring
2. Flat spiral spring
3. Bellows
4. Diaphragm

✅ Correct Answer: 2

Which of the following can be well suited for flat-spiral spring device?

1. Used for a very low torque range
2. Used for a very high torque range
3. Used for all ranges of torque
4. None of the mentioned

✅ Correct Answer: 1

________ is used for measuring torque in rotating parts in machines.

1. Accelerometer
2. Dynamometer
3. Tachometer
4. None of the mentioned

✅ Correct Answer: 2

Square cross sectional torsions bars are preferable than circular cross sectional torsion bars.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 1

Which of the following is true for torque measurement?

1. Measurement of applied force only
2. Measurement of length of arm
3. Measurement of force and length of arm
4. Measurement of velocity of material

✅ Correct Answer: 3

Which of the following represents the correct relationship between angular displacement and torque?

1. Direct proportionality
2. Inverse proportionality
3. Equal magnitude
4. None of the mentioned

✅ Correct Answer: 1

Torque can be measured using surface shear strains.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 1

Which of the following represents the correct position of strain gauges in torque measurement?

1. 900 with each other
2. Parallel to shaft axis
3. Perpendicular to shaft axis
4. 450 from shaft axis

✅ Correct Answer: 4

A torsion bar of constant inner radius and length is applied with constant torque. What will happen for the angular displacement if outer radius of torsion bar is increased?

1. Increase
2. Decreases
3. Doubles
4. Halved

✅ Correct Answer: 2

Which of the following is represented by a ratio of density of substance to density of water at 400c?

1. Specific gravity
2. Mass density
3. Weight density
4. Specific density

✅ Correct Answer: 1

In air bubbler system, air pressure is measured.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 1

Which of the following cannot be used for density measurement?

1. Hydrometer system
2. Pitot-static device
3. Air bubbler system
4. U-tube system

✅ Correct Answer: 2

Which of the following device doesn’t uses storage of liquid?

1. Manometer system
2. Hydrometer system
3. U-tube system
4. Air bubbler system

✅ Correct Answer: 3

Manometer system cannot be used for measuring density.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 2

Which of the following represents the correct relationship of density and length of column?

1. Direct proportionality
2. Inverse proportionality
3. Equal
4. None of the mentioned

✅ Correct Answer: 2

Which of the following represents relation for a pressure change in a column?

1. hϱg
2. hϱ
3. hg
4. n one of the mentioned

✅ Correct Answer: 1

_______ can be used for measuring density.

1. Load cell
2. pH meter
3. Pitot static device
4. Mutimeter

✅ Correct Answer: 1

Which of the following is used to represent mass per unit volume of a substance?

1. Mass density
2. Weight density
3. Specific density
4. None of the mentioned

✅ Correct Answer: 1

Specific volume of all substances depends on ________

1. Temperature only
2. Pressure only
3. Both temperature and pressure
4. Temperature and pressure for some

✅ Correct Answer: 4

Which of the following conversions take place in float element?

1. Level to force
2. Level to voltage
3. Level to displacement
4. None of the mentioned

✅ Correct Answer: 3

In _____ system, float whose weight greater than liquid to be displaced is used.

1. Inverse float system
2. Displacer system
3. Magnifying float system
4. None of the mentioned

✅ Correct Answer: 2

For float element, uniformity of density is important.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 2

Which of the following represents pressure of a liquid column with constant density?

1. ϱgh
2. ϱh
3. ϱg
4. None of the mentioned

✅ Correct Answer: 1