RRB Group D - Units and measurements Question Bank with Options

1. The unit of kinematic viscosity is:

A) Poise

B) Stokes

C) Pascal-second

D) Newton-second

2. Which prefix represents 10^-12?

A) Nano

B) Micro

C) Pico

D) Femto

3. What is the SI unit of volume flow rate?

A) Cubic meter per second

B) Liter per second

C) Gallon per minute

D) Cubic meter per minute

4. The unit of surface area is:

A) Meter

B) Square meter

C) Cubic meter

D) Meter squared

5. What is the SI unit of illuminance?

A) Lumen

B) Candela

C) Lux

D) Foot-candle

6. Which unit is used to measure luminous flux?

A) Lux

B) Candela

C) Lumen

D) Foot-candle

7. What is the SI unit of impulse?

A) Newton-second

B) Joule-second

C) Newton-meter

D) Kilogram-meter

8. The SI unit of solid angle is:

A) Radian

B) Steradian

C) Degree

D) Gradian

9. What is the SI unit of magnetic flux density?

A) Weber

B) Ampere

C) Tesla

D) Henry

10. The SI unit of magnetic field strength is:

A) Weber

B) Tesla

C) Ampere per meter

D) Gauss

11. What is the SI unit of electric field strength?

A) Newton per Coulomb

B) Volt per meter

C) Ampere per meter

D) Coulomb per meter

12. The SI unit of electric charge is:

A) Ampere

B) Volt

C) Ohm

D) Coulomb

13. What is the SI unit of electric potential difference?

A) Ampere

B) Ohm

C) Volt

D) Watt

14. Which of the following is a unit of plane angle, but not an SI unit?

A) Radian

B) Degree

C) Gradian

D) Revolution

15. What is the unit of dynamic viscosity?

A) Stokes

B) Poise

C) Pascal-second

D) Newton-meter

16. The unit of kinematic viscosity is:

A) Pascal-second

B) Stokes

C) Poise

D) Newton-second

17. What is the SI unit of sound intensity level?

A) Neper

B) Bel

C) Decibel

D) Sone

18. The SI unit of equivalent dose of ionizing radiation is:

A) Gray

B) Rad

C) Sievert

D) Rem

19. What is the SI unit of absorbed dose of ionizing radiation?

A) Becquerel

B) Sievert

C) Gray

D) Roentgen

20. Which unit measures radioactivity?

A) Becquerel

B) Curie

C) Gray

D) Sievert

21. What is the SI unit of viscosity?

A) Poise

B) Stokes

C) Pascal-second

D) Dyne-second

22. The unit of surface tension is:

A) Newton per meter

B) Joule per meter

C) Newton per meter squared

D) Pascal

23. What is the SI unit of density?

A) Kilogram per meter

B) Kilogram per meter cubed

C) Gram per cubic centimeter

D) Kilogram per liter

24. The SI unit of acceleration is:

A) Meters per second

B) Meters per hour

C) Meters per second squared

D) Kilometers per hour squared

25. What is the SI unit of angular velocity?

A) Radians per second

B) Degrees per second

C) Revolutions per minute

D) Hertz

26. The unit of angular displacement is:

A) Degree

B) Radian

C) Gradian

D) Revolution

27. Which of the following is a non-SI unit of length commonly used in astronomy?

A) Kilometer

B) Mile

C) Light-year

D) Furlong

28. What is the SI unit of volume?

A) Liter

B) Gallon

C) Cubic meter

D) Cubic centimeter

29. The SI unit of area is:

A) Square meter

B) Square kilometer

C) Hectare

D) Acre

30. What is the SI unit of work?

A) Watt

B) Joule

C) Erg

D) Newton-meter

31. Which SI unit measures the magnetic flux density?

A) Weber

B) Tesla

C) Gauss

D) Ampere

32. The unit of inductance is:

A) Farad

B) Ohm

C) Henry

D) Siemens

33. What is the SI unit of magnetic flux?

A) Tesla

B) Gauss

C) Weber

D) Joule

34. The SI unit of capacitance is:

A) Henry

B) Farad

C) Weber

D) Tesla

35. Which unit is used to measure electrical resistance?

A) Volt

B) Ampere

C) Ohm

D) Farad

36. What is the SI unit of frequency?

A) Hertz

B) Decibel

C) Radian

D) Cycle per second

37. The SI unit of power is:

A) Joule

B) Watt

C) Erg

D) Calorie

38. Energy is measured in which SI unit?

A) Newton

B) Joule

C) Watt

D) Ohm

39. What is the SI unit of pressure?

A) Bar

B) Torr

C) Pascal

D) Atmosphere

40. The unit of force is:

A) Joule

B) Watt

C) Newton

D) Pascal

41. Which prefix denotes 10^9?

A) Mega

B) Giga

C) Tera

D) Peta

42. What is the value of the prefix 'micro'?

A) 10^-3

B) 10^-6

C) 10^-9

D) 10^-12

43. The prefix 'milli' represents a factor of:

A) 10^-3

B) 10^3

C) 10^-6

D) 10^6

44. What does the prefix 'kilo' represent in the metric system?

A) 10^-3

B) 10^3

C) 10^6

D) 10^-6

45. Which of the following is a derived SI unit?

A) Meter

B) Kilogram

C) Second

D) Newton

46. The SI unit of the amount of substance is:

A) Gram

B) Kilogram

C) Mole

D) Liter

47. What is the SI unit of luminous intensity?

A) Lux

B) Lumen

C) Candela

D) Foot-candle

48. The SI unit of temperature is:

A) Celsius

B) Fahrenheit

C) Kelvin

D) Rankine

49. Which unit is used to measure electric current in the SI system?

A) Volt

B) Ohm

C) Ampere

D) Watt

50. What is the SI unit of time?

A) Minute

B) Hour

C) Second

D) Day

Units and measurements - Question Bank