Steam Turbines Questions and Answers – Pressure Coefficients and Slip Factor

This set of Steam and Gas Turbines Multiple Choice Questions & Answers (MCQs) focuses on “Pressure Coefficients and Slip Factor”.

1. Fluid slip in the impeller can be measured by ____________
a) Pressure coefficient
b) Slip factor
c) Pressure coefficient & Slip factor
d) None of the mentioned
View Answer

Answer: b
Explanation: Fluid slip in the impeller can be measured by slip factor.

2. Deviation in the angle of the fluid leaving the impeller is called as _________
a) slip factor
b) pressure rise
c) fluid slip
d) none of the mentioned
View Answer

Answer: c
Explanation: The deviation in the angle of the fluid leaving the impeller is called fluid slip.

3. In axial impellers fluid slip is ______
a) Small
b) Large
c) Medium
d) None of the mentioned
View Answer

Answer: a
Explanation: In axial impellers fluid slip is quite small.
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4. In radial impellers fluid slip is _________
a) Small
b) Large
c) Medium
d) None of the mentioned
View Answer

Answer: b
Explanation: In radial impellers fluid slip is large.

5. Back eddy is also responsible for ___________
a) slip factor
b) mean blade loading
c) slip factor & mean blade loading
d) none of the mentioned
View Answer

Answer: a
Explanation: Back eddy is also responsible for slip factor.
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6. Mean blade loading is also responsible for ___________
a) back eddy
b) slip factor
c) back eddy & slip factor
d) none of the mentioned
View Answer

Answer: b
Explanation: Mean blade loading is responsible for slip factor.

7. Working fluid viscosity is also responsible for _________
a) slip factor
b) mean blade loading
c) back eddy
d) none of the mentioned
View Answer

Answer: a
Explanation: Working fluid viscosity is also responsible for slip factor.
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8. Boundary layer blockage is responsible for __________
a) back eddy
b) mean blade loading
c) slip factor
d) none of the mentioned
View Answer

Answer: a
Explanation: Boundary layer blockage is also responsible for slip factor.

9. Slip factor is the ratio of ideal whirl velocity to actual whirl velocity.
a) True
b) False
View Answer

Answer: b
Explanation: Slip factor is the ratio of actual whirl velocity to the ideal whirl velocity.
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10. When blade angle decreases slip factor also __________
a) decreases
b) remains constant
c) increases
d) none of the mentioned
View Answer

Answer:c
Explanation: When blade angle decreases slip factor increases.

Sanfoundry Global Education & Learning Series – Steam and Gas Turbines.

To practice all areas of Steam and Gas Turbines, here is complete set of 1000+ Multiple Choice Questions and Answers.

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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