Discussion
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- Question
Co-efficient of velocity is __________ the coefficient of discharge.
Options- A. less than
- B. more than
- C. equal to
- D. not related to
- Correct Answer
- more than
- 1. Gas chromatography is used for the measurement of
Options- A. temperature
- B. pressure
- C. concentration
- D. flow rate Discuss
- 2. Lower wall courses of soaking pits are made of __________ bricks to avoid the action of molten slag & scale.
Options- A. chrome or magnesite
- B. silicon carbide
- C. silica
- D. lowduty fireclay Discuss
- 3. Measurement of pressure in ammonia reactor is done by
Options- A. Bourdon gauge
- B. U-tube manometer
- C. Inclined tube manometer
- D. Pirani guage Discuss
- 4. The amplitude ratio for the sinusoidal response of __________ is < 1.
Options- A. transportation lag
- B. first order system
- C. second order system
- D. none of these Discuss
- 5. The terminal velocity of a particle moving through a fluid varies as dpn. What is the value of n' for Newton's law regime?
Options- A. 0.5
- B. 1
- C. 1.5
- D. 3 Discuss
- 6. The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to
Options- A. d
- B. d2
- C. d3
- D. d4 Discuss
- 7. Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.
Options- A. CaO
- B. MnO2
- C. ZnO
- D. FeS Discuss
- 8. Specific rate constant for a second order reaction
Options- A. is independent of temperature.
- B. varies with temperature.
- C. depends on the nature of the reactants.
- D. both (b) and (c). Discuss
- 9. Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is
Options- A. 12
- B. 36
- C. 54
- D. 68 Discuss
- 10. For an input forcing function, X(t) = 2t2, the Laplace transform of this function is
Options- A. 2/s2
- B. 4/s2
- C. 2/s3
- D. 4/s3 Discuss
More questions
Correct Answer: concentration
Correct Answer: chrome or magnesite
Correct Answer: Bourdon gauge
Correct Answer: first order system
Correct Answer: 0.5
Correct Answer: d4
Correct Answer: ZnO
Correct Answer: both (b) and (c).
Correct Answer: 36
Correct Answer: 4/s3
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