# Measurement/Unit – Old Year Questions

1. In the following which is fundamental physical quantity?

(a) Force
(b) Velocity
(c) Electric current
(d) Work
(e) None of the above/More than one of the above

[66th B.P.S.C. (Pre) (Re. Exam) 2020]

2. The unit of power is –

(a) Hertz
(b) Volts
(c) Watt
(d) Neutron

[U.P.P.S.C. (GIC) 2010]

3. The unit of electric power is :

(a) Ampere
(b) Volt
(c) Coulomb
(d) Watt
(e) None of the above / More than one of the above

[65th B.P.S.C. (Pre) 2019, 64th B.P.C.S. (Pre) 2018]

4. The unit of the force is –

(b) Fermi
(c) Newton
(d) Rutherford

[M.P.P.C.S. (Pre) 1990]

5. The unit of work is :

(a) Joule
(b) Neutron
(c) Watt
(d) Dyne

[U.P.P.C.S. (Pre) 1996]

6. Frequency is measured in

(a) hertz
(b) metre/second
(d) watt
(e) None of the above / More than one of the above

[64th B.P. S.C. (Pre) 2018]

7. What is measured in hertz?

(a) Frequency
(b) Energy
(c) Heat
(d) Quality
(e) None of the above/More than one of the above

[65th B.P.S.C. (Pre) 2019]

8. The SI unit of electrical resistivity of the conductor is –

(b) Volts
(c) Ampere
(d) Ohm

[M.P.P.C.S. (Pre) 1993]

9. ‘Ohm-meter’ is a unit of :

(a) Resistance
(b) Conductance
(c) Resistivity
(d) Charge
(e) None of the above/More than one of the above

[66th B.P.S.C. (Pre) (Re. Exam) 2020]

10. Light-year is the unit of –

(a) Distance
(b) Time
(c) Speed of light
(d) Intensity of light

[U.P. U.D.A./L.D.A. (Pre) 2013, R.A.S./R.T.S. (Pre) 1997, M.P.P.C.S. (Pre) 2008]

11. A light-year is the –

(a) Year which had maximum sunlight
(b) Year in which workload was very light
(c) Distance travelled by light in one year
(d) Mean distance between Sun and Earth

[U.P. Lower Sub. (Mains) 2013]

12. Light-year is the unit of –

(a) Energy
(b) Intensity
(c) Age
(d) Distance

[Jharkhand P.C.S. (Pre) 2013]

13. ‘Light-Year’ is –

(a) The year in which February has 29 days
(b) The distance travelled by light in one year
(c) The time which sun rays take to reach the earth
(d) The time in which a spacecraft reaches moon from the earth

[U.P. U.D.A./L.D.A. (Pre) 2010]

14. Which one of the following is a reason why astronomical distances are measured in light-years?

(a) Distances among stellar bodies do not change
(b) Gravity of stellar bodies does not change
(c) Light always travels in straight line
(d) Speed of light is always same

[I.A.S. (Pre) 2021]

15. A parsec, a unit of distance used to measure the distance related to the stars in the sky, is equal to –

(a) 4.25 light-years
(b) 3.25 light-years
(c) 4.50 light-years
(d) 3.05 light-years

[R.A.S./R.T.S. (Pre) 1999]

16. PARSEC is the unit of :

(a) Distance
(b) Time
(c) Light intensity
(d) Magnetic force

[U.P.P.C.S. (Pre) 1997]

17. Which unit of measurement is multiplied by 0.39 to convert it to ‘inches’?

(a) Millimetre
(b) Centimetre
(c) Metre
(d) Decimetre

[U.P. U.D.A./L.D.A. (Pre) 2010]

18. How can the height of a person who is six feet tall, be expressed (approximately) in nanometre?

(a) 183 × 106nm
(b) 234 ×106nm
(c) 183 × 107nm
(d) 181 × 107nm

[I.A.S. (Pre) 2008]

19. A nanometre is equal to –

(a) 10-6 cm
(b) 107 cm
(c) 10-8 cm
(d) 10-9 cm

[U.P. U.D.A./L.D.A. (Pre) 2013]

20. Ampere is the unit of –

(a) Voltage
(b) Electric current
(c) Resistance
(d) Power

[Chhattisgarh P.C.S. (Pre) 2005]

21. Megawatt is the measuring unit of power which is –

(a) Generated
(b) Consumed
(c) Saved
(d) Lost in transmission

[U.P. Lower Sub. (Pre) 1998]

22. Match List-I with List-II and select the correct answer from the code given below :

 List-I List-II (Physical quantities) (Units) A. Acceleration 1. Joule B. Force 2. Newton second C. Work done 3. Newton D. Impulse 4. Metre/second²

Code :
A B C D

(a) 1 2 3 4
(b) 3 4 1 2
(c) 2 3 4 1
(d) 4 3 1 2

[U.P.P.C.S. (Pre) 2005, U.P. U.D.A./L.D.A. (Pre) 2001]

23. Which one of the following SI units is not correctly matched?

(a) Work – Joule
(b) Force – Newton
(c) Mass – kg.
(d) Pressure – Dyne

[U.P. Lower Sub. (Pre) 2013]

24. Match List-I with List-II and select the correct answer using codes given below :

 List-I List-II (Units) (Parametric quantities) A. Watt 1. Heat B. Knot 2. Navigation C. Nautical mile 3. Speed of a ship D. Calorie 4. Power

Code :
A B C D

(a) 3 1 4 2
(b) 1 2 3 4
(c) 4 3 2 1
(d) 2 4 1 3

[U.P. U.D.A./L.D.A. (Pre) 2002]

25. Match the following :

 A. Joule 1. Current B. Ampere 2. Power C. Watt 3. Work D. Volt 4. Electric potential

Code :
A B C D

(a) 3 1 2 4
(b) 1 2 3 4
(c) 4 3 2 1
(d) 1 3 2 4

[U.P.P.C.S. (Pre) 1990]

26. How many watts are there in a horsepower?

(a) 1000
(b 750
(c) 746
(d) 748

[M.P.P.C.S. (Pre) 1991]

27. Which one of the following is not correctly matched?

(a) Knot – Measure of speed of ship
(b) Nautical mile – Unit of distance used in navigation
(c) Angstrom – Unit of wavelength of light
(d) Light year – Unit of measuring time

[U.P.P.C.S. (Mains) 2010]

28. Angstrom is a unit of

(a) wavelength
(b) energy
(c) frequency
(d) velocity
(e) None of the above / More than one of the above

[64th B.P.C.S. (Pre) 2018]

29. Match List-I (Quantity) with List-II (Units) and select the correct answer using the codes given below the lists:

 List I List II A. High speed 1. Mach B. Wavelength 2. Angstrom C. Pressure 3. Pascal D. Energy 4. Joule

Code :
A B C D

(a) 2 1 3 4
(b) 1 2 4 3
(c) 1 2 3 4
(d) 2 1 4 3

[U.P.P.C.S. (Pre) 2006, I.A.S. (Pre) 1999]

30. ‘Joule’ is related to energy in the same way as ‘Pascal’ is related to :

(a) Mass
(b) Pressure
(c) Density
(d) Purity
(e) None of the above

[Chhattisgarh P.C.S. (Pre) 2015]

31. One micron is equal to –

(a) 1/10 mm
(b) 1/100 mm
(c) 1/1000 mm
(d) 1/10,000 mm

[39th B.P.S.C. (Pre) 1994]

32. One micron represents a length of –

(a) 10-6 cm
(b) 10-4 cm
(c) 1 mm
(d) 1 m

[U.P.P.C.S. (Mains) 2011]

33. Which one of the following is not correctly matched?

(a) Decibel – Unit of sound intensity
(b) Horsepower – Unit of power
(c) Nautical miles – Unit of naval distance
(d) Celsius – Unit of heat

[U.P.P.C.S. (Spl.) (Mains) 2004, U.P.P.C.S.(Pre) 2001]

34. Which one of the following is not the unit of heat?

(a) Calorie
(b) Kilocalorie
(c) Kilojoule
(d) Watt

[M.P. P.C.S. (Pre) 2016]

35. Which one of the following is not the unit of heat?

(b) Calorie
(c) Erg
(d) Joule

[U.P. R.O./A.R.O. (Pre) 2017]

36. A distance of 1 km. means –

(a) 100 m.
(b) 1000 cm.
(c) 1000 m.
(d) 100 cm.

[45th B.P.S.C. (Pre) 2001]

37. One pikogram is equal to –

(a) 10–6 gram
(b) 10–9 gram
(c) 10–12 gram
(d) 10–15 gram

[42nd B.P.S.C. (Pre) 1997]

38. Pascal is a unit of measuring :

(a) Humidity
(b) Pressure
(c) Rainfall
(d) Temperature

[Uttarakhand P.C.S. (Pre) 2002]

39. What is the unit of pressure?

(a) Newton / sq. metre
(b) Newton-metre
(c) Newton
(d) Newton/metre
(e) None of the above / More than one of the above

[64th B.P.C.S. (Pre) 2018]

40. The unit of pressure is

(a) kg/cm²
(b) kg/cm
(c) kg/mm
(d) kg/cm³
(e) None of the above/More than one of the above

[65th B.P.S.C. (Pre) 2019]

41. What is the unit of atmospheric pressure?

(a) Bar
(b) Knot
(c) Joule
(d) Ohm

[Chhattisgarh P.C.S. (Pre) 2008]

42. 1 kg/cm² pressure is equivalent to :

(a) 0.1 bar
(b) 1.0 bar
(c) 10.0 bar
(d) 100.0 bar

[Uttarakhand P.C.S. (Pre) 2002]

43. Which one of the following quantities does not have unit?

(a) Stress
(b) Force
(c) Strain
(d) Pressure
(e) None of the above/More than one of the above

[65th B.P.S.C. (Pre) 2019]

44. 1 barrel of oil is equal to which of the following?

(a) 131 litre
(b) 159 litre
(c) 179 litre
(d) 201 litre

[U.P.P.C.S. (Pre) 2009]

45. The smallest unit of length is –

(a) Micron
(b) Nanometre
(c) Angstrom
(d) Fermimetre

[U.P.P.C.S. (Pre) 2005]

46. Match List-I with List-II and select the correct answer using the codes given below the lists.

 List – I List – II A. Cusec 1. Pressure B. Byte 2. Intensity of Earthquake C. Richter 3. Rate of flow D. Bar 4. Computer

Code :
A B C D

(a) 1 2 3 4
(b) 3 4 2 1
(c) 4 3 2 1
(d) 3 4 1 2

[U.P. Lower Sub. (Spl.) (Pre) 2008]

47. What is measured in cusec?

(a) Purity of water
(b) Depth of water
(c) Flow of water
(d) Quantity of water

[Uttarakhand P.C.S. (Pre) 2006]

48. Which one of the following is the unit of measure of the thickness of the ozone layer of the atmosphere?

(a) Knot
(b) Dobson
(c) Poise
(d) Maxwell

[Uttarakhand P.C.S. (Pre) 2010]

49. ‘Dobson’ Unit is used for the measurement of –

(a) Thickness of Earth
(b) Thickness of Diamond
(c) Thickness of the Ozone layer
(d) Measurement of Noise

[Uttarakhand P.C.S. (Pre) 2005]