Which of the figures shown in the...

Question 1 / 205eccef9bbacbc34ba4d451e6

Question 1 of 205eccef9bbacbc34ba4d451e6

Which of the figures shown in the illustration would be the most suitable to fasten the hub of a pump and motor shaft coupling? See illustration GS-0080.

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Question 1 of 20

5eccef9bbacbc34ba4d451e6

Which of the figures shown in the illustration would be the most suitable to fasten the hub of a pump and motor shaft coupling? See illustration GS-0080.

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🔍 Key Concepts

• Coupling hubs are usually secured to shafts with set screws that tighten against a flat or key on the shaft. • For rotating equipment, protruding bolt heads on the hub are generally undesirable because of balance and safety. • Compare which figure shows a headless, fully threaded fastener designed to be recessed into the hub rather than pass completely through and stick out.

💭 Think About

• Which of the options would sit completely within a threaded hole in the hub and press against the shaft, instead of clamping two parts together with a head and nut? • Which figure shows a fastener that is short, fully threaded, and has no conventional head that would project from the rotating coupling? • Among B, C, F, and H, which one is specifically shaped to act as a set screw in a rotating shaft application rather than a general-purpose machine screw or pin?

✅ Before You Answer

• Verify which figure is a headless set screw (sometimes called a grub screw) rather than a regular bolt or screw with a head. • Check that the chosen fastener is fully threaded and intended to bear directly on the shaft surface or key. • Confirm that the fastener you choose would not leave a projecting head that could interfere with rotation or require extra clearance around the coupling.

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Question 1 of 20

Which of the figures shown in the illustration would be the most suitable to fasten the hub of a pump and motor shaft coupling? See illustration GS-0080.

figure B

figure C

figure F

figure H

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Question 1 / 205eccef9bbacbc34ba4d451e6

Question 1 of 205eccef9bbacbc34ba4d451e6

Which of the figures shown in the illustration would be the most suitable to fasten the hub of a pump and motor shaft coupling? See illustration GS-0080.

Back

Question 1 of 20

5eccef9bbacbc34ba4d451e6

Which of the figures shown in the illustration would be the most suitable to fasten the hub of a pump and motor shaft coupling? See illustration GS-0080.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed