Discussion
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- Question
The thickness of a micron, is
Options- A. 10-3 m
- B. 10-6 m
- C. 10-9 m
- D. 10-12 m
- Correct Answer
- 10-6 m
- 1. Joule or Newton metric is used for
Options- A. Work
- B. Torque
- C. Energy
- D. All the above. Discuss
- 2. Candela (Cd) is used to express
Options- A. luminous intensity
- B. electric current intensity
- C. power
- D. frequency. Discuss
- 3. The fundamental units in S.I. system, are the same as that of
Options- A. C.G.S. units
- B. F.P.S. units
- C. M.K.S. units
- D. None of these. Discuss
- 4. The bar used for defining the standard metre at the International office of weights and measures at Sevres near Paris, is composed of
Options- A. 50% platinum and 50% iridium
- B. 60% platinum and 40% iridium
- C. 70% platinum and 30% iridium
- D. 80% platinum and 20% iridium
- E. 90% platinum and 10% iridium Discuss
- 5. If ? is the angular acceleration of a body of moment of inertia I, the torque is
Options- A. I2 ?
- B. I ?
- C. I/?
- D. I2/?
- E. I ?1/2 Discuss
- 6. Basic unit of thermodynamic temperature, is
Options- A. degree fahrenheit
- B. degree centigrade
- C. degree kelvin
- D. degree absolute. Discuss
- 7. 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
- 8. 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
- 9. Hertz (Hz) is used to express
Options- A. Luminous intensity
- B. electric current intensity
- C. power
- D. frequency. Discuss
- 10. 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
SI Units problems
Search Results
Correct Answer: All the above.
Correct Answer: luminous intensity
Correct Answer: M.K.S. units
Correct Answer: 90% platinum and 10% iridium
Correct Answer: I ?
Correct Answer: degree kelvin
Correct Answer: All the above.
Correct Answer: Metre, kilogram, second
Correct Answer: frequency.
Correct Answer: 1 m/sec2 while acting on a body of 1 kg mass
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