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- Question
__________ of depreciation calculation accounts for the interest on investement.
Options- A. Straight line method
- B. Declining balance
- C. both (a) and (b)
- D. neither (a) nor (b).
- Correct Answer
- neither (a) nor (b).
- 1. Annual depreciation cost are not constant when, the __________ method of depreciation calculation is used.
Options- A. straight line
- B. sinking fund
- C. present worth
- D. declining balance. Discuss
- 2. The crushed material received for separation is called feed or
Options- A. tailing
- B. heading
- C. concentrate
- D. middling Discuss
- 3. Pick out the wrong statement.
Options- A. Lower boiling paraffins have higher octane number than higher paraffins.
- B. Dehydrogenation of naphthenes to aromatics is a desirable reaction in reforming process.
- C. The most ideal feedstock for thermal reforming is dearomatised kerosene.
- D. Catalyst used in catalytic reforming is platinum on silica-alumina base. Discuss
- 4. Pick out the correct statement.
Options- A. Compression ratio of an Otto engine is comparatively higher than a diesel engine.
- B. Efficiency of an Otto engine is higher than that of a diesel engine for the same compression ratio.
- C. Otto engine efficiency decreases with the rise in compression ratio, due to decrease in work produced per quantity of heat.
- D. Diesel engine normally operates at lower compression ratio than an Otto engine for an equal output of work. Discuss
- 5. Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm.
Options- A. 0.007
- B. 0.30
- C. 50
- D. 0.014 Discuss
- 6. Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)?
Options- A. Air cycle
- B. Carnot cycle
- C. Ordinary vapour compression cycle
- D. Vapour compression with a reversible expansion engine Discuss
- 7. The controlling resistance in a rotary drum vacuum filter is the __________ resistance.
Options- A. piping
- B. cake
- C. filter medium
- D. none of these Discuss
- 8. Fog is an example of colloidal system of
Options- A. solid dispersed in gas.
- B. solid dispersed in liquid.
- C. liquid dispersed in gas.
- D. gas dispersed in liquid. Discuss
- 9. Red phosphorous is changed into white phosphorous by
Options- A. heating in presence of light.
- B. melting under pressure.
- C. vaporisation followed by condensation.
- D. none of these. Discuss
- 10. A. __________ mill is a revolving mill divided into two or more sections by perforated partitions in which preliminary grinding takes place at one end and the finishing grinding at the discharge end.
Options- A. compartment
- B. tube
- C. rod
- D. pebble. Discuss
More questions
Correct Answer: declining balance.
Correct Answer: heading
Correct Answer: The most ideal feedstock for thermal reforming is dearomatised kerosene.
Correct Answer: Efficiency of an Otto engine is higher than that of a diesel engine for the same compression ratio.
Correct Answer: 0.30
Correct Answer: Air cycle
Correct Answer: cake
Correct Answer: liquid dispersed in gas.
Correct Answer: vaporisation followed by condensation.
Correct Answer: compartment
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