Discussion
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- Question
If A is the total items consumed per year, P is the procurement cost per order, and C is the annual inventory carrying cost per item, then the most economic ordering quantity is given by
Options- A.
- B.
- C.
- D.
- Correct Answer
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- 1. The turbine blades do not change the direction of steam issuing from the nozzle.
Options- A. True
- B. False Discuss
- 2. When a low carbon steel is heated upto upper critical temperature
Options- A. there is no change in grain size
- B. the average grain size is a minimum
- C. the grain size increases very rapidly
- D. the grain size first increases and then decreases very rapidly Discuss
- 3. Blading efficiency is also known as
Options- A. stage efficiency
- B. diagram efficiency
- C. nozzle efficiency
- D. none of these Discuss
- 4. In the torsion equation
the term J/R is called
Options- A. shear modulus
- B. section modulus
- C. polar modulus
- D. none of these Discuss
- 5. In a single acting reciprocating compressor, the suction, compression and delivery of air takes place in __________ of the piston.
Options- A. one stroke
- B. two strokes
- C. three strokes
- D. four strokes Discuss
- 6. Induction hardening is basically a
Options- A. carburising process
- B. surface hardening process
- C. core-hardening process
- D. none of these Discuss
- 7. For centrifugal pump impeller, the maximum value of the vane exit angle is
Options- A. 10° to 15°
- B. 15° to 20°
- C. 20° to 25°
- D. 25° to 30° Discuss
- 8. Manometric head is the actual head of water against which a centrifugal pump has to work.
Options- A. Correct
- B. Incorrect Discuss
- 9. The gas in cooling chamber of a closed cycle gas turbine is cooled at
Options- A. constant volume
- B. constant temperature
- C. constant pressure
- D. none of these Discuss
- 10. In a psychrometric chart, dew point temperature lines are horizontal and non-uniformly spaced.
Options- A. Correct
- B. Incorrect Discuss
More questions
Correct Answer: False
Correct Answer: the average grain size is a minimum
Correct Answer: diagram efficiency
Correct Answer: polar modulus
Correct Answer: two strokes
Correct Answer: surface hardening process
Correct Answer: 20° to 25°
Correct Answer: Correct
Correct Answer: constant pressure
Correct Answer: Correct
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