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- Question
'P' is the investment made on an equipment, 'S' is its salvage value and 'n is the life of the equipment in years. The depreciation for rath year by the sum-of years digit method will be
Options- A.
- B.
- C.
- D.
- Correct Answer
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- 1. The time taken for a radioactive element to reduce to 50% of its original weight is __________ years, if its half life period is 12 years.
Options- A. 24
- B. 18
- C. 6
- D. 36 Discuss
- 2. With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge
Options- A. increases
- B. decreases
- C. remains constant
- D. increases linearly Discuss
- 3. Alkyd resin is a/an
Options- A. polyamide
- B. polyester
- C. polyolefin
- D. addition polymer Discuss
- 4. Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol.
Options- A. waxes
- B. mercaptans
- C. asphalt
- D. diolefins Discuss
- 5. Continuous measurement of moisture content of paper in paper industry is done by measuring the
Options- A. thermal conductivity through the paper
- B. electrical resistance through the paper
- C. magnetic susceptibility
- D. none of these Discuss
- 6. Thermal well made of __________ gives the fastest speed of response, while measuring temperature by thermocouples.
Options- A. steel
- B. vycor (a glass)
- C. nichrome
- D. inconel Discuss
- 7. Working principle of mercury in glass thermometer is
Options- A. volumetric expansion.
- B. pressure rise with temperature.
- C. linear expansion.
- D. none of these. Discuss
- 8. Composition of natural gas is determined by the
Options- A. Haldane apparatus
- B. mass spectrometer
- C. chromatograph
- D. both (b) and (c) Discuss
- 9. Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill )
Options- A. D
- B. 1/D
- C. D2.5
- D. 1/D2.5 Discuss
- 10. Maximum allowable concentration of CO2 in air for safe working is __________ ppm (parts per million).
Options- A. 50
- B. 1000
- C. 2000
- D. 5000 Discuss
More questions
Correct Answer: 18
Correct Answer: increases
Correct Answer: polyester
Correct Answer: mercaptans
Correct Answer: electrical resistance through the paper
Correct Answer: vycor (a glass)
Correct Answer: volumetric expansion.
Correct Answer: both (b) and (c)
Correct Answer: D2.5
Correct Answer: 5000
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