sinfoera.com – MCQs, Mock Tests | Analytical instruments Analytical Instrumentation MCQ Question Set 19

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

A Bellows B Bourdon tube C Ammeter D Thermometer

✅ Correct Answer: 2

2 Which of the following is true for bimetallic type thermometer?

A Two metals have same temperature coefficients B Two metals have different temperature coefficient C One metal is cooled always D None of the mentioned

✅ Correct Answer: 2

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

A True B False C all of the above D None of the mentioned

✅ Correct Answer: 2

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

A Potential and current B Current and potential C Power and potential D Current and power

✅ Correct Answer: 2

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

A Temperature B Thermal coefficient C Thermal storage capacity D None of the mentioned

✅ Correct Answer: 3

6 Heat transfer coefficient of a material with length l is _________

A K/l B l/K C 1/K D Kl

✅ Correct Answer: 1

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

A Beams B Bellows C Capsule D Bourdon tube

✅ Correct Answer: 1

8 Load cells are used for measuring _____

A Large weights only B Small weights only C Weights moving in high speed D Slowly moving weights

✅ Correct Answer: 4

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

A Large weight B Small weight C Both large and small weights D None of the mentioned

✅ Correct Answer: 2

10 Which of the following arrangements are used in load cells?

A Tensile strain gauges B Compressive strain gauges C Both tensile and compressive strain gauges D None of the mentioned

✅ Correct Answer: 3

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

A (1.08 F R)/(E b t2) B (F R)/(E b t2) C (1.08 R)/(E b t2) D (1.08 F )/(E b t2)

✅ Correct Answer: 1

12 Which of the following conversion is correct for load cell?

A Force to strain B Force to displacement C Force to voltage D Both force to strain and force to displacement

✅ Correct Answer: 4

13 Diaphragm element can also be used for force measurement.

A True B False C all of the above D None of the mentioned

✅ Correct Answer: 1

14 Which of the following statement is true for force?

A Force is a scalar quantity B Force is a vector quantity C Force is a dimensionless quantity D None of the mentioned

✅ Correct Answer: 2

15 Which of the following statement is true for diaphragms?

A Used for measuring small forces B Used for measuring large forces C Used for measuring dynamic forces D None of the mentioned

✅ Correct Answer: 1

16 Load cells are primary transducers.

A True B False C all of the above D None of the mentioned

✅ Correct Answer: 1

17 Which of the following is detected using manometer devices?

A Pressure difference between manometric and measuring liquid B pH difference between manometric and measuring liquid C Density difference between manometric and measuring liquid D None of the mentioned

✅ Correct Answer: 1

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

A Water is used for large pressure differential B Transformer oil is used for large pressure differential C Transformer oil has evaporation problems D Water has evaporation problems

✅ Correct Answer: 4

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

A Primary transducer B Secondary transducer C Voltage measuring devices D Spring balance systems

✅ Correct Answer: 1

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

A Static pressure only B Dynamic pressure only C Both static and dynamic pressure with large frequency D Both static and dynamic pressure with small frequency

✅ Correct Answer: 4

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

A (R2 Î”P)/4S B Î”P/4S C (R2 Î”P)/S D (R2 Î”P)/2

✅ Correct Answer: 1

22 Which of the following quantities can be measured using bellows?

A Absolute pressure B Gauge pressure C Differential pressure D All of the mentioned

✅ Correct Answer: 4

23 Which of the following conversion take place in bourdon tubes?

A Pressure to displacement B Pressure to voltage C Pressure to strain D Pressure to force

✅ Correct Answer: 1

24 â€˜Capsules are made from diaphragmsâ€™.

A True B False C all of the above D None of the mentioned

✅ Correct Answer: 1

25 â€˜In bellows pressure to displacement conversion takes placeâ€™.

A True B False C all of the above D None of the mentioned

✅ Correct Answer: 2

26 Which of the following devices convert pressure to displacement?

A Diaphragm B Bellow C Capsule D Both diaphragm and capsule

✅ Correct Answer: 4

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

A FR B F/R C F2R D FR2

✅ Correct Answer: 1

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

A Helical spring B Flat spiral spring C Bellows D Diaphragm

✅ Correct Answer: 2

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

A Used for a very low torque range B Used for a very high torque range C Used for all ranges of torque D None of the mentioned

✅ Correct Answer: 1

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

A Accelerometer B Dynamometer C Tachometer D None of the mentioned

✅ Correct Answer: 2

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

A True B False C all of the above D None of the mentioned

✅ Correct Answer: 1

32 Which of the following is true for torque measurement?

A Measurement of applied force only B Measurement of length of arm C Measurement of force and length of arm D Measurement of velocity of material

✅ Correct Answer: 3

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

A Direct proportionality B Inverse proportionality C Equal magnitude D None of the mentioned

✅ Correct Answer: 1

34 Torque can be measured using surface shear strains.

A True B False C all of the above D None of the mentioned

✅ Correct Answer: 1

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

A 900 with each other B Parallel to shaft axis C Perpendicular to shaft axis D 450 from shaft axis

✅ Correct Answer: 4

36 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?

A Increase B Decreases C Doubles D Halved

✅ Correct Answer: 2

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

A Specific gravity B Mass density C Weight density D Specific density

✅ Correct Answer: 1

38 In air bubbler system, air pressure is measured.

A True B False C all of the above D None of the mentioned

✅ Correct Answer: 1

39 Which of the following cannot be used for density measurement?

A Hydrometer system B Pitot-static device C Air bubbler system D U-tube system

✅ Correct Answer: 2

40 Which of the following device doesnâ€™t uses storage of liquid?

A Manometer system B Hydrometer system C U-tube system D Air bubbler system

✅ Correct Answer: 3

41 Manometer system cannot be used for measuring density.

A True B False C all of the above D None of the mentioned

✅ Correct Answer: 2

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

A Direct proportionality B Inverse proportionality C Equal D None of the mentioned

✅ Correct Answer: 2

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

A hÏ±g B hÏ± C hg D n one of the mentioned

✅ Correct Answer: 1

44 _______ can be used for measuring density.

A Load cell B pH meter C Pitot static device D Mutimeter

✅ Correct Answer: 1

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

A Mass density B Weight density C Specific density D None of the mentioned

✅ Correct Answer: 1

46 Specific volume of all substances depends on ________

A Temperature only B Pressure only C Both temperature and pressure D Temperature and pressure for some

✅ Correct Answer: 4

47 Which of the following conversions take place in float element?

A Level to force B Level to voltage C Level to displacement D None of the mentioned

✅ Correct Answer: 3

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

A Inverse float system B Displacer system C Magnifying float system D None of the mentioned

✅ Correct Answer: 2

49 For float element, uniformity of density is important.

A True B False C all of the above D None of the mentioned

✅ Correct Answer: 2

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

A Ï±gh B Ï±h C Ï±g D None of the mentioned

✅ Correct Answer: 1

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Analytical Instrumentation MCQ Question Set 19