SI Units problems
- 1. Candela (Cd) is used to express
Options- A. luminous intensity
- B. electric current intensity
- C. power
- D. frequency. Discuss
Correct Answer: luminous intensity
- 2. Joule or Newton metric is used for
Options- A. Work
- B. Torque
- C. Energy
- D. All the above. Discuss
Correct Answer: All the above.
- 3. The thickness of a micron, is
Options- A. 10-3 m
- B. 10-6 m
- C. 10-9 m
- D. 10-12 m Discuss
Correct Answer: 10-6 m
- 4. Basic unit of thermodynamic temperature, is
Options- A. degree fahrenheit
- B. degree centigrade
- C. degree kelvin
- D. degree absolute. Discuss
Correct Answer: degree kelvin
- 5. Pick up the correct statement from the following:
Options- A. 1 N force = 0.10197 kgf
- B. 1 kgf = 9.80665 N
- C. 1 kgf/cm2 = 98.0665 kN/m2
- D. 1 atm = 101.325 kN/m2
- E. All the above. Discuss
Correct Answer: All the above.
- 6. The fundamental units in S.I. System are :
Options- A. Centimetre, gram, second
- B. Foot, pound, second
- C. Metre, kilogram, second
- D. Kilometre, kilogram, minute
- E. None of these. Discuss
Correct Answer: Metre, kilogram, second
- 7. Hertz (Hz) is used to express
Options- A. Luminous intensity
- B. electric current intensity
- C. power
- D. frequency. Discuss
Correct Answer: frequency.
- 8. One Newton force produces an acceleration of
Options- A. 1 cm/sec2 while acting on a body of 1 gm mass
- B. 1 cm/sec2 while acting on a body of 1 kg mass
- C. 1 m/sec2 while acting on a body of 1 kg mass
- D. 1 m/sec2 while acting on a body of 1 gm mass. Discuss
Correct Answer: 1 m/sec2 while acting on a body of 1 kg mass
- 9. The SI unit of the force is
Options- A. Newton
- B. Kilogrames
- C. Joule
- D. Erg Discuss
Correct Answer: Newton
- 10. m2/s is used in S.I. system for
Options- A. Surface tension
- B. Kinematic viscosity
- C. Pressure
- D. Power. Discuss
Correct Answer: Kinematic viscosity
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