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.Management Sciences
A. centrifugal compressors deliver prac-tically constant pressure over a considerable range of capacities
B. Axial flow compressors have a sub-stantially constant delivery at variable pressures
C. centrifugal compressors have a wider stable operating range than axial flow compressors
D. axial flow compressors are bigger in diameter compared to centrifugal type
E. axial flow compressors apt to be longer as compared to centrifugal type
Related Mcqs:
- Isothermal compression though most efficient, but is not -practicable because_________________?
- A. ityrequires very big cylinder B. it does not increase pressure much C. it is impossible in practice D. compressor has to run at very slow speed to achieve it E. it requires cylinder to be placed in water...
- The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is_____________________?
- A. less B. more C. same D. more/less depending on compressor capacity E. unpredictable...
- The ratio of isentropic work to Euler work is known as_____________________?
- A. pressure coefficient B. work coefficient C. polytropic reaction D. slip factor E. compressor efficiency...
- The pressure ratio in gas turbines is of the order of__________________?
- A. 2:l b. 4:1 C. 61: 1 D. 9 : 1 E. 12:1....
- The weight per horse power ratio for gas. turbine as compared to I.C. engine and steam turbine is________________?
- A. same B. higher C. lower D. uncomparable E. unpredictable...
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